What Are Kraft Paper Woven Bags? Definitions, Synonyms, and System Boundaries
Kraft Paper Woven Bags are composite industrial sacks built by coupling a printable kraft paper face with a woven polypropylene (PP) fabric spine. The paper layer gives a low-glare, high-contrast surface for regulatory text and barcodes; the woven spine supplies tensile strength, tear resistance, and impact absorption; optional tie layers, coats, and films tune barrier, scuff resistance, and de-aeration. In high-throughput plants that fill powders, granules, and aggregates, Kraft Paper Woven Bags run cleanly on impeller, screw, or air packers and then stack into rectangular, stable units for palletized distribution. The structure is not decorative; it is functional logistics equipment designed to prevent product loss, preserve information, and survive real handling.
- Kraft Paper PP Bags
- Kraft Paper Woven Sack
- Kraft Paper Woven Sacks
- Laminated Woven Bags (paper-laminated woven PP)
- Paper Valve Woven Bags (when a sleeve mouth is specified)
- Kraft Paper Laminated Woven Bags (emphasizing the laminate)
- Kraft Paper Woven Valve Bags (emphasizing the filling interface)
- Paper–Poly Hybrid Woven Sacks
Where do Kraft Paper Woven Bags sit in the packaging landscape? Imagine a spectrum. All-paper multiwall sacks provide elegant recycling pathways and beautiful print surfaces but have modest wet strength. Bare polyolefin woven sacks are rugged and water-tolerant but can suffer barcode glare and a utilitarian look that complicates compliance labeling. The paper–poly hybrid sits in the middle: stronger drops than all-paper, better print legibility than bare woven PP, and moisture tuning without committing to fully film-based systems. The result is a bag that protects the product, preserves the story on its face, and can be engineered for the route it must travel.
The Materials of Kraft Paper Woven Bags: Architecture, Properties, and Cost Logic
A reliable specification is a system of layers. Each layer must justify its mass and its cost by solving a concrete problem—load containment, surface legibility, dust control, moisture management, or pallet stability. Overbuilding wastes resin and money; underbuilding shifts costs downstream in breakage, rework, and housekeeping. The craft is proportionality.
1) Woven Polypropylene Fabric (Structural Spine)
- Polymer family: PP homopolymer dominates; impact-copolymer appears where cold-weather toughness is required. Screened rPP can be blended when circularity targets apply.
- Tape making: Extrude sheet → slit into tapes → draw 4–7× to align polymer chains. Draw ratio governs tensile strength and elongation; heat profile governs tape stability under needles and on looms.
- Weave architecture: Circular looms yield tubular bodies; flat looms supply panels for block-bottom formats. Ends × picks per cm control porosity, tear paths, and bonding smoothness.
- Basis weight: 60–120 g/m² for 10–50 kg programs; heavier for abrasives or tall stacks.
2) Kraft Paper Face (Printable, Low-Glare Surface)
- Material choice: Brown or white kraft, typically 70–120 g/m². Brown masks scuffs; white enables high-fidelity color and hazard panels.
- Role: Provides a smooth, low-gloss face that accepts dense regulatory text, high-contrast barcodes, and retail-grade branding; improves hand feel for premium SKUs.
- Trade-offs: Adds unit cost and affects moisture pathways; lamination and coat choices must preserve foldability and crease memory for magazine feed.
3) Tie Layers, Coats, and Films (Bond and Barrier)
- Extrusion coat (PP/PE) at 15–30 g/m² seals interstices, anchors inks, and drops MVTR without over-stiffening.
- BOPP lamination (18–25 µm, reverse printed) delivers photo-grade graphics and wipe-clean durability; reserve matte windows under codes to avoid glare.
- Adhesives and tie layers must be polyolefin-compatible and peel-strong while respecting PP-stream recovery where available.
4) Mouth Systems and Optional Liners
- Valve sleeves: PP/PE films or PE-coated paper in internal, external, tuck-in, or heat-seal variants. Sleeve stiffness and friction are matched to spout type and powder bulk density.
- Open-mouth finishes: Sewn, hot-air welded, or adhesive-sealed depending on dust, hygiene, and moisture targets.
- Liners: Loose or form-fit LDPE/LLDPE 20–120 µm; coextrusions for aroma/oxygen control in sensitive corridors; liners reduce caking for hygroscopic powders.
- Fabric: woven PP 80 g/m², UV-stabilized
- Face: white kraft 90 g/m² laminated via 20 g/m² polyolefin tie
- Optional film: BOPP 20 µm reverse-printed; matte window reserved for codes
- Valve sleeve: PE film 100 µm, internal self-seal with heat-tack patch
- Finishes: anti-slip stripes; antistatic and antiblock packages for line behavior
Features of Kraft Paper Woven Bags: Behaviors That Change Outcomes
Features matter only if they show up in weekly KPIs: fewer dust plumes at fill, straighter stacks, better barcode grades, lower nonconformance counts. Dialed-in Kraft Paper Woven Bags consistently exhibit the following behaviors.
High Strength-to-Mass
Oriented PP tapes deliver exceptional tensile per gram, allowing lighter sacks to pass the same drop matrix and lowering resin intensity per shipped tonne.
Low Dusting at Fill
Sleeve friction windows and micro-perf maps near the mouth accelerate de-aeration on high-rate packers, trimming housekeeping hours and improving OEE.
Stack Stability
Block-bottom geometry yields brick-like pallets; anti-slip finishes reduce layer slide during vibration and braking.
Information Survivability
Kraft faces with ΔE discipline and matte code panes preserve barcode grade after wrap abrasion and dock handling.
Weather Readiness
UV packages and moisture tuning ride out dew cycles; wipe-clean film faces protect labels under damp conditions.
Recyclability Pathways
Monomaterial polyolefin variants (fabric + coat + BOPP) support PP-stream recovery where available; hybrids should be designed for disassembly.
- Better barcode contrast → faster scans → fewer mis-picks.
- Paper touch + durable laminate → premium shelf feel without easy scuffing.
- Controlled friction → fewer re-stacks and less wrap usage.
Production Process of Kraft Paper Woven Bags: From Resin and Paper to Pallet
Great bags are built upstream, not rescued at inspection. Think in three gates: front-end selection and tests; mid-stream conversion and formation; back-end QA and release. Throughout, equipment capability translates into consistency. VidePak deploys Austrian Starlinger and German W&H (Windmöller & Hölscher) platforms across extrusion, weaving, coating/lamination, printing, and conversion—an end-to-end backbone that keeps tolerances narrow and uptime high.
Gate A — Front-End: Raw Materials and Incoming Inspection
- Polymer lots: verify melt flow index (MFI), moisture, ash; dry to spec before tape drawing to minimize gels and breaks.
- Kraft stocks: check GSM, Cobb, porosity, surface formation; confirm bond-friendly sides for lamination.
- Films & ties: assess gauge uniformity, dyne level, haze/gloss, peel strength; confirm ink and adhesive compatibility.
- Additives: UV package dose versus yard dwell; antistatic efficacy snapshots; color ΔE versus master.
- Valve components and liners: sleeve stiffness/friction matched to spout and powder physics; liner gauge and seal verified.
Gate B — Mid-Stream: Fabrication, Lamination, Printing, and Conversion
- Tape extrusion & orientation: cast sheet → slit → draw 4–7×; monitor width/thickness tolerance, fibrillation, and break ratio.
- Weaving: circular or flat looms; ends × picks per cm² define tensile balance and porosity; broken-end detection improves uptime.
- Surface engineering: extrusion coating or lamination; verify coating weight, pinhole counts, dyne, and peel strength.
- Printing: CI flexo on kraft faces or reverse gravure under BOPP; control registration, dot gain, ΔE, barcode grade, and ink adhesion.
- Bottom formation: block-bottom (square base) or pinch-bottom, depending on pallet program; glue pattern temperature/pressure tuned.
- Valve insertion: internal/external/tuck-in sleeves; optional heat patches; verify sleeve length and overlap for self-seal behavior.
- Cutting & finishing: hot-knife edges to prevent fray; gusset memory tuned for magazine feed; anti-slip stripes applied as specified.
Gate C — Back-End: Quality Assurance and Release
- Mechanical: MD/CD tensile, seam/valve pull, burst, and drop tests by fill mass and height; topple tests for pallet behavior.
- Functional: de-aeration time, MVTR on barrier builds, barcode grade, scuff/rub resistance for laminated faces.
- Visual & dimensional: length/width/gusset tolerances, registration, and color drift; pallet count and label integrity.
- Traceability: lot coding links resin → fabric roll → conversion date → inspector signature.
Starlinger extrusion/weaving and W&H printing/converting platforms provide steadier web paths, tighter GSM control, and cleaner registration. Upstream stability becomes downstream predictability—fewer weak zones, fewer print drifts, fewer field failures.
Applications of Kraft Paper Woven Bags: Where the Hybrid Format Wins
Use-cases crystallize wherever powders and granules demand speed, legibility, and stack stability—particularly when routes are rough or docks are wet. The following domains routinely specify Kraft Paper Woven Bags.
Construction & Minerals
Cement, mortar, gypsum, lime, limestone powder. External sleeves for air packers at speed; reinforced corners for rough yards; anti-slip finishes to tame vibration.
Agri-Inputs & Fertilizers
UV packages for yard storage; optional liners for hygroscopic blends; hazard panels on the kraft face with matte code windows.
Food & Pet Nutrition (Selected)
Starches, sugars, flours, salts, pet kibbles. Low-migration inks where applicable; liners for hygiene; matte code windows to preserve scan grade.
Specialty Powders & Pigments
Hydrated lime, fine silica, TiO₂. Sleeve friction and micro-perf density engineered to reduce dust; heat-seal valves for stringent corridors.
How VidePak Controls and Guarantees Quality
- Standards-aligned production & testing: specifications and QA reference ISO/ASTM/EN/JIS for tensile/tear, drop/burst/topple, MVTR, and barcode grading—enabling third-party comparability and audit-ready files.
- 100% virgin raw materials as baseline; screened rPP as option: virgin resin keeps MFI and cleanliness narrow; vetted rPP is introduced with validated recipes when circularity targets apply.
- All-tier equipment from Starlinger & W&H: tight basis-weight, clean web handling, and crisp registration across extrusion, weaving, coating/lamination, printing, and conversion.
- Closed-loop inspection: incoming COAs → in-process GSM/peel/ΔE/seam/valve checks → final AQL sampling with functional tests (drop/burst/de-aeration/MVTR) before release.
The Bursting Problem: Modes, Stressors, and Misdiagnoses
“Bursting” is not one failure but several: panel rupture, seam tear, delamination at the paper–poly interface, bottom-fold de-bond, or valve-zone failure. Prevention begins by identifying the mode and the stressor that activates it, then choosing the right lever to move. What fails first? Where does the crack start? What stress—drop, creep, hydration, heat—lit the fuse?
Observable Failure Modes
- Panel rupture (fabric overload)
- Seam tear (stitch or weld line)
- Delamination (paper ↔ PP fabric)
- Bottom-fold de-bond
- Valve zone failure
Activating Stressors
- Dynamic drops and corner impacts
- Creep under top load (tall stacks)
- Hydration cycles (dew/rain) shifting paper stiffness
- Temperature swings affecting welds and adhesives
- Dust-laden fills with trapped air pressure
Common Misdiagnoses
- Blaming “weak paper” when the true culprit is lamination peel from low dyne.
- Blaming “bad sewing” when fabric GSM is under-spec’d for new stack heights.
- Blaming “operator handling” when barcode retries induced extra pallet touches.
A 12-Lever Prevention Framework (RCCA That Sticks)
- Right-size fabric GSM to bag mass and drop matrix; avoid cost-only “heroic” margins.
- Control tape draw and fibrillation; keep break ratios low; audit edge quality.
- Engineer seams: match SPI to GSM; choose heat-tolerant needles; validate weld energy/dwell if sealing.
- Raise and hold dyne before lamination; confirm coat weight and peel strength; reserve matte windows before art lock.
- Tune bottom-fold glue pattern, temperature, and pressure; reinforce corners on abrasive programs.
- Specify sleeve stiffness/friction windows per filler type and bulk density; test self-seal under head pressure.
- Use micro-perfs strategically around the mouth; vent entrained air without weakening corners.
- Discipline color (ΔE ≤ 2–3) and barcode grade (≥ B); information survives, handling becomes gentler.
- UV-stabilize the web to true yard dwell; embrittled tapes burst under drop.
- Benchmark MVTR for humid corridors; add liners where justified; avoid boardy coats that harm magazines.
- Palletize to the bag: columnar for stiffer faces; interlocking for compliant coats; align anti-slip with wrap tension.
- Close the loop with data: OEE, dust index, drop survivals, scan grade, lean after dwell—trend and adjust.
Engineering Tables: Materials, Process Controls, and Test Matrices
Printing and Information Survivability
Graphics are not vanity; they are an operations tool. Barcode failure cascades into mis-picks, rework, and emissions. Protect information by proofing on production substrates, reserving quiet zones and matte panes under codes, avoiding fold lines and wear corners, logging ΔE per lot, and verifying ink adhesion with cross-hatch and rub tests. The result is fewer retries, fewer extra pallet touches, and fewer opportunities to damage bags.
Palletization and Warehouse Engineering
Unit loads fail on docks, not CAD screens. Engineer the stack: tune the pattern to stiffness and route vibration; align anti-slip finishes with stretch-wrap tension; add top caps and cornerboards for long corridors. Validate with lean snapshots after 24-hour dwell and simulate vibration for the actual route, not an abstract standard.
Environmental Accounting That Actually Counts
The biggest environmental gain of Kraft Paper Woven Bags is not a logo; it is product protection. Spilled cement or contaminated starch dwarfs the footprint of a few grams of paper or resin. Therefore the targets are right-sized GSM, the thinnest coat/laminate that meets MVTR and scuff targets, and information fidelity that prevents rework and disposal. Where PP recycling streams exist, prefer mono-family layers (fabric + coat + BOPP). Where hybrids are required, design laminations for disassembly in known regional facilities.
Procurement and Line-Qualification Checklists
Inbound to Spec
- Product physics: bulk density, particle size, oil/fat content, hygroscopicity
- Filler hardware: impeller/screw/air; spout geometry; target rate
- Valve design: sleeve material & stiffness; overlap; seal logic (self-seal vs heat-seal)
- Bottom geometry: block-bottom dimensions; gusset; anti-slip finishes
- Print & codes: color references, ΔE, barcode grade, matte windows
- QA: drop matrix, de-aeration, dust index, AQL sampling, traceability
On-Line Validation
- OEE before/after (minutes gained per hour)
- Dust index near filler (mg/m³ baseline)
- De-aeration time to net weight
- Scan success rate and average barcode grade
- Pallet stability incidents per 1,000 shipments
- CO₂e per shipped tonne (packaging + product loss)
System Thinking: Decompose, Optimize Locally, Recompose to Spec
At first glance the design asks for contradictions: faster filling and less dust, more barrier and less stiffness, richer graphics and zero glare, lighter mass and stronger drops. The way through is to decompose the challenge, optimize locally with measurable levers, and recompose into a validated specification.
Sub-Problems
- Mechanical containment (GSM, seam map, bottom geometry)
- Moisture behavior (MVTR vs dew cycles)
- Throughput (de-aeration, sleeve friction, crease memory)
- Identification & compliance (ΔE, barcode grade, quiet zones)
- Sustainability (resin per unit function, recyclability path)
- Economics (unit price vs total delivered cost)
Levers & Validation
- Choose fabric GSM and base geometry for drop spec and pallet pattern.
- Select coat/laminate and optional liner for barrier and print objectives.
- Lock color system and barcode windows; reserve matte panels where needed.
- Trial on the line; measure OEE, dust index, scan grade, pallet stability.
- Adjust and freeze; audit quarterly with field data.
Case Narratives (Illustrative, Anonymized)
- White Cement, 40 kg: all-paper sacks scuffed and failed at dock corners. Switching to Kraft Paper Woven Bags with block-bottom and external sleeve cut drop failures by 70% and preserved barcode grade after transit.
- Fertilizer Blend, 25 kg: hygroscopic product caked under dew cycles. A laminated kraft face with a thin coat and form-fit liner stabilized MVTR and reduced housekeeping hours.
- Premium Pet Kibble, 12 kg: retail complaints on smudged art. Reverse-printed BOPP over kraft, matte windows, and anti-slip bands improved shelf presence and kept scanner performance high.
Related Resource: Valve Bag Specialization
For buyers who need valve-format guidance and supplier criteria aligned to the hybrid paper–poly architecture, consult this practical overview: comparative insights for selecting a kraft paper woven valve bag supplier. It complements the prevention and QA playbooks in this document.
October 30, 2025
- What Are Kraft Paper Woven Bags? Definitions, Synonyms, and System Boundaries
- The Materials of Kraft Paper Woven Bags: Architecture, Properties, and Cost Logic
- Features of Kraft Paper Woven Bags: Behaviors That Change Outcomes
- Production Process of Kraft Paper Woven Bags: From Resin and Paper to Pallet
- Applications of Kraft Paper Woven Bags: Where the Hybrid Format Wins
- How VidePak Controls and Guarantees Quality
- The Bursting Problem: Modes, Stressors, and Misdiagnoses
- A 12-Lever Prevention Framework (RCCA That Sticks)
- Engineering Tables: Materials, Process Controls, and Test Matrices
- Printing and Information Survivability
- Palletization and Warehouse Engineering
- Environmental Accounting That Actually Counts
- Procurement and Line-Qualification Checklists
- System Thinking: Decompose, Optimize Locally, Recompose to Spec
- Case Narratives (Illustrative, Anonymized)
- Related Resource: Valve Bag Specialization
In the packaging industry, Kraft Paper Woven Bags and Kraft Paper PP Bags are essential products widely used for various applications due to their strength, durability, and versatility. They are particularly favored in industries that require robust packaging for bulk materials like cement, grains, and construction aggregates. However, one of the most critical quality concerns associated with woven bags is the phenomenon of “bursting,” commonly referred to as “炸包” in Chinese, which can lead to severe consequences, such as product loss, contamination, and even safety hazards during transportation and storage.
This article explores the root causes of bursting issues in Kraft Paper Woven sacks and other woven packaging solutions, delving into how our company addresses these problems. We will also examine the importance of raw material quality, production processes, and testing protocols to ensure the highest standards of durability and performance in Laminated Woven Bags and Paper Valve Woven Bags.
What are Kraft Paper Woven Bags?
Kraft Paper Woven Bags are a combination of kraft paper and polypropylene (PP) woven fabric, offering the advantages of both materials. Kraft paper provides excellent printability and a smooth surface for labeling, while the woven PP fabric adds strength, resistance to tearing, and moisture protection. These bags are commonly used in industries requiring robust packaging for heavy or bulky products, including:
- Construction materials like cement, sand, and gravel
- Agricultural products like fertilizers, seeds, and animal feed
- Food products such as flour, sugar, and grains
The structure of Kraft Paper Woven sacks typically includes multiple layers of kraft paper laminated onto a woven PP fabric, which provides enhanced strength and resistance to external forces. The bags can also be designed with a valve system, commonly referred to as Paper Valve Woven Bags, allowing for easy filling and sealing during packaging.
The Problem of Bursting in Woven Bags
Bursting, or “炸包,” is one of the most severe quality issues in the production and use of woven bags. When a woven sack bursts, it results in product spillage, contamination, and significant financial losses, especially when transporting large quantities of valuable materials like cement or grains. Additionally, the bursting of woven bags can pose safety hazards, particularly in industrial or construction settings, where heavy materials could cause injury if the packaging fails.
There are several reasons why woven bags, including Kraft Paper PP Bags and Laminated Woven Bags, might burst during handling or transportation. These causes typically fall into two main categories: raw material quality issues and insufficient product testing.
Causes of Bursting in Woven Bags
1. Raw Material Quality Issues
One of the primary factors that contribute to bursting in woven bags is the quality of raw materials used in their production. Kraft Paper Woven Bags are composed of kraft paper and polypropylene fibers, both of which must meet specific quality standards to ensure the final product’s strength and durability.
- Polypropylene Quality: In the case of Kraft Paper PP Bags, the quality of the polypropylene resin used to make the woven fabric is crucial. Low-quality PP resin can result in weaker fibers, which can significantly reduce the tensile strength of the woven fabric. Over time, exposure to environmental stressors, such as temperature changes and UV radiation, can further degrade poor-quality polypropylene, increasing the likelihood of the bag bursting.
- Kraft Paper Quality: Similarly, the kraft paper used in Kraft Paper Woven sacks must be of high quality to provide the necessary strength. Inferior kraft paper may have inconsistencies in thickness or fiber content, leading to weak points in the bag structure, which can rupture under pressure.
- Lamination and Adhesive Strength: In Laminated Woven Bags, the bond between the kraft paper and the polypropylene fabric is crucial. If the lamination or adhesive layer is weak or inconsistent, the layers can separate, leading to a reduction in overall bag strength and an increased risk of bursting.
2. Inadequate Product Testing
While raw material quality is essential, insufficient testing during the production of woven bags can also contribute to bursting issues. Rigorous testing protocols must be in place to ensure that each batch of bags meets specific standards for strength, durability, and environmental resistance.
Preventing Bursting: Ensuring Quality Control at Every Stage
To prevent bursting in Kraft Paper Woven Bags, Kraft Paper Woven sacks, and other woven products, it is crucial to implement comprehensive quality control measures at every stage of production. This includes the careful selection of raw materials, batch testing of incoming materials, and thorough testing of the finished products. Below, we detail our company’s approach to preventing the bursting of woven bags by focusing on both raw material quality and product testing.
Raw Material Quality Control
- Material Selection and Supplier Screening
- Polypropylene: We only use 100% virgin PP resin to produce woven fabrics, ensuring high tensile strength and durability. By sourcing PP resin from trusted suppliers with strict quality control processes, we can guarantee the consistency and performance of the fabric used in our bags.
- Kraft Paper: For the kraft paper component of our Kraft Paper Woven Bags, we choose high-strength paper that meets industry standards for thickness and fiber content. This ensures that the paper layers can withstand pressure and mechanical stresses during filling and transportation.
- Batch Testing of Raw Materials
- Each batch of polypropylene and kraft paper undergoes thorough testing before entering the production process. These tests include:
- Mechanical Testing: Evaluating the tensile strength, elongation, and tear resistance of the materials.
- Consistency Testing: Ensuring uniform thickness and fiber distribution across the paper and woven fabrics.
- UV Resistance Testing: Assessing the material’s ability to withstand UV exposure without degrading.
| Test Type | Purpose | Frequency |
|---|---|---|
| Mechanical Testing | Ensures the material can withstand stress and pressure. | Every Batch |
| Consistency Testing | Verifies uniformity in thickness and fiber composition. | Every Batch |
| UV Resistance Testing | Evaluates how well the material resists UV degradation. | Every Batch |
Finished Product Testing
Once the raw materials pass inspection and enter the production line, the finished Kraft Paper Woven Sack products undergo further testing to ensure they meet stringent performance standards. Our testing protocols include:
- Thickness Testing
- We measure the thickness of both the paper and woven layers to ensure that each bag meets the required specifications for strength and durability. Inconsistent thickness can lead to weak points in the bag, increasing the risk of bursting under pressure.
- Tensile Strength Testing
- Tensile strength is one of the most critical factors in determining a bag’s ability to handle heavy loads without tearing or bursting. We subject our Kraft Paper PP Bags to tensile tests to ensure they can handle the stresses of loading, transport, and storage.
- Drop Testing
- Drop testing evaluates the bag’s ability to withstand impact forces when dropped from a certain height. This test simulates real-world conditions where bags may be dropped during handling. Our bags must pass these tests without showing signs of rupture or tearing.
- UV Stability Testing
- Since Kraft Paper Woven Bags are often exposed to sunlight during storage or transportation, we test the UV stability of the bags to ensure they remain strong and intact even after prolonged UV exposure. This helps to prevent degradation, which can contribute to bursting.
- Visual Inspection
- Finally, we conduct a visual inspection of each batch of bags to check for defects in lamination, seams, and overall appearance. Even minor imperfections can weaken the structural integrity of the bags, so we ensure that every bag meets our high standards for quality.
| Test Type | Purpose | Frequency |
|---|---|---|
| Thickness Testing | Ensures consistent thickness for strength and durability. | Every Production Batch |
| Tensile Strength Testing | Evaluates the bag’s ability to withstand heavy loads. | Every Production Batch |
| Drop Testing | Tests the bag’s resilience to impact forces. | Random Samples per Batch |
| UV Stability Testing | Assesses how well the bag holds up against UV exposure. | Random Samples per Batch |
| Visual Inspection | Checks for any visual defects or weak points. | Every Bag |
How Our Company Prevents Bursting
By implementing strict quality control measures from raw material selection to finished product testing, our company ensures that every Kraft Paper Woven Sack and Paper Valve Woven Bag we produce meets the highest standards of durability and performance. Our multi-layered approach to preventing bursting issues includes:
- Using high-quality, virgin polypropylene to produce woven fabrics with excellent tensile strength and durability.
- Selecting high-grade kraft paper that offers the necessary strength for heavy-duty packaging.
- Thorough testing of raw materials to ensure consistency, mechanical strength, and UV resistance.
- Comprehensive testing of finished products, including thickness measurement, tensile strength, drop testing, UV stability, and visual inspections.
These efforts allow us to minimize the risk of bursting, ensuring that our Kraft Paper Woven Bags provide reliable, high-performance packaging solutions for our customers in various industries.
Conclusion
The risk of bursting is a significant concern in the woven bag industry, but with the right quality control measures in place, it is entirely preventable. Our company’s focus on raw material selection, batch testing, and comprehensive product testing ensures that every **Kraft Paper Woven Bag