LDPE continuous roll bag
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Product Introduction
LDPE Continuous Roll Bag – High-Performance Flexible Packaging Solution
Our LDPE continuous roll bag is designed for proficiency and toughness. Fabricated by Rizhao Jinlida Plastic Co., Ltd.—a company sponsored by over 30 a long time of industry ability and an 8,600㎡ present day facility—these packs convey prevalent clarity, cut resistance, and reliable execution. With an stretching at break surpassing 400% and accuracy micro-perforations, each roll bolsters consistent integration into computerized frameworks. Sent out to 40+ nations, our sacks meet strict ISO 9001 measures and comply with worldwide food-contact security directions. Whether you're bundling solidified nourishments, electronic components, or clinical supplies, you get a soft-touch, adaptable arrangement that keeps up judgment indeed in cold environments.
What Is an LDPE Continuous Roll Bag?
A bag is a high-performance bundling arrangement made from Low-Density Polyethylene through a blown film expulsion handle. Packs are associated in a ceaseless grouping and wound onto a axle. High-precision micro-perforations permit for quick, clean tearing amid high-volume operations.
This item fathoms three basic torment focuses for you:
- Eliminates wasteful aspects of loose-piece taking care of in manual stowing stations
- Addresses the 'blocking' issue where pack openings adhere together, through anti-block additives
- Provides prevalent dampness and clean obstructions for high-sensitivity components compared to paper or low-grade plastics

Key Properties & Technical Advantages
Our sacks are characterized by uncommon atomic branching, coming about in a thickness run of 0.910–0.940 g/cm³. This gives you a idealize adjust of clarity and flexibility.
Core Specialized Features:
- High Prolongation at Break: Regularly >400% per ASTM D882
- Impact Resistance: Measured through Dart Drop testing (ASTM D1709)
- Superior Straightforwardness: Idealize for standardized identification filtering and visual inspection
- Excellent Heat-Seal Quality: Perfect for heavy-duty applications
- Chemical Dormancy: Safe to numerous acids, bases, and vegetable oils
Quality Standards:
- ISO 9001 for fabricating consistency
- FDA and EU 10/2011 compliance for food-contact safety
- No destructive polymer movement into bundled contents

Diverse Applications Across Industries
1. Industrial Automated Fulfillment
Used in high-speed auto-bagging machines where the sack is nourished through a mandrel, blown open by discuss, and heat-sealed after item inclusion. This optimizes throughput in equipment and save parts logistics.
2. Clinical and Laboratory Environments
Utilized as specialized liners for biohazardous squander or sterilized hardware capacity. The low-particulate nature of high-grade LDPE guarantees a contaminant-free environment.
3. Fresh Produce and Cold Chain Retail
Applied in high-humidity general store situations. The LDPE continuous roll bag's high moisture vapor boundary and cut resistance avoid spillage and amplify the rack life of overwhelming, moisture-rich things like root vegetables or chilled poultry.
Product Specifications
| Parameter | Details |
|---|---|
| Material | Low-Density Polyethylene (LDPE) |
| Size Range | Width: 24–35 cm / Length: 36–54 cm |
| Load-Bearing Capacity | 3–5 kg (customizable up to 50 kg) |
| Density | 0.910–0.940 g/cm³ |
| Elongation at Break | >400% (ASTM D882) |
| Surface Finish | Smooth, soft-touch with excellent clarity |
| Perforation Type | High-precision micro-perforations |
| Compliance | ISO 9001, FDA, EU 10/2011 |
| Customization Options | Multi-color printing, custom sizes, OEM/ODM |
Quality Control You Can Trust
Professional procurement demands a multi-stage inspection protocol. We ensure:
1. Gauge Consistency
Micrometer profiling keeps thickness deviation within ±10%, preventing machine jams.
2. Perforation Strength
Tensile Tear Test ensures consistent force—neither too high (causing stretching) nor too low (causing premature separation).
3. Coefficient of Friction (COF)
Testing per ASTM D1894 optimizes slip level for automated dispensing.
4. Seal Integrity
Burst pressure testing ensures the bottom seal withstands intended loads without delamination.

Frequently Asked Questions
Q: What is the optimal storage environment for products?
A: Store in a cool, dry place below 30°C, away from direct UV exposure. Long-term UV contact can trigger polymer chain scission and embrittlement.
Q: How does the 'slip' level affect my automated packaging line?
A: High-slip bags (low COF) are essential for high-speed feeding. However, if COF is too low, rolls may 'telescope' or lose tension during winding.
Q: Can these bags be produced with anti-static properties?
A: Yes. Topical or internal anti-static agents can be added during extrusion to achieve a surface resistivity of 10⁹ to 10¹¹ ohms, protecting electronic components from ESD.
Q: Why do I see 'fish eyes' or gels in some batches?
A: Gels are typically caused by incompletely melted high-molecular-weight resin or cross-linked polymers. We mitigate this through fine-mesh melt filtration during production.
Q: Are products fully recyclable?
A: Yes. They are classified under Recycling Code 4 (LDPE) and are 100% recyclable in standard polyethylene streams, provided they're not contaminated by hazardous materials.
Contact Us
Ready to elevate your LDPE continuous roll bag efficiency? Reach out to us at 18663311788@139.com for a custom quote today!
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