Strong Tear Resistance Kraft Paper Valve Bag with High Moisture Resistance and Up To 50 Kg Weight Capacity for Industrial Packaging
Product Details
| Moistureresistance: | High Moisture Resistance | Valvetype: | Self-sealing Valve |
|---|---|---|---|
| Application: | Packaging Of Cement, Flour, Chemicals, And Powders | Strength: | High Tensile Strength |
| Tearresistance: | Strong Tear Resistance | Weight Capacity: | Up To 50 Kg |
| Closure: | Valve Closure For Automatic Filling | Printingoptions: | Custom Logo And Text Printing Available |
| Highlight |
Strong Tear Resistance Kraft Paper Valve Bag,High Moisture Resistance Kraft Paper Valve Bag,Up To 50 Kg Weight Capacity Kraft Paper Valve Bag |
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Product Description
- Stable Structure and Excellent Stacking Performance: Reinforced square bottom shaping maintains straight, squared shape after filling. Prevents slippage and collapse, allowing higher stacking layers and enhanced space utilization.
- Self-Sealing Valve for Efficient and Dust-Free Filling: Compatible with automated powder filling equipment. Automatically seals by material weight, eliminating manual stitching or heat sealing. Improves filling efficiency by more than 40%.
- Multi-Layer Thickening for Enhanced Durability: 2 to 4 layers of virgin high-strength kraft paper composite structure. Resists stretching, puncturing, and dropping. Reliably holds materials weighing 10 to 50 kg.
- Breathable and Explosion-Proof Design: Customizable precision breathable holes quickly release trapped air during filling. Compatible with various advanced automatic filling machines.
- Environmentally Friendly and Compliant: Pure kraft paper material without harmful additives. 100% recyclable and naturally biodegradable. Complies with EU packaging directives and domestic standards.
- Lightweight and Space-Saving: Empty bags fold flat for storage, resulting in compact shipment volume. Effectively reduces logistics and storage costs.
| Parameter | Specification |
|---|---|
| Paper Material | High-quality virgin wood pulp stretch kraft paper, single layer weight 70-120 g/m², consistent thickness and uniform texture. Complies with ISO 536 standards. |
| Valve Types | Internal valves (mainstream, automatic self-sealing) and external valves (customized for manual filling). Valve width 10-13 cm for tight seal preventing powder leakage. |
| Bottom Construction | High-temperature glued square base seamlessly pressed and firmly bonded. Guarantees strong adhesion capable of bearing weight without delamination. |
| Ventilation Technology | Optional single-point or multi-point precision ventilation holes providing uniform airflow, preventing powder escape and bag rupture. |
| Protective Features | PE inner liners, single-sided or double-sided waterproof coatings. Offers moisture resistance and prevents fine powder leakage for humid environments. |
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