25kg Capacity High Moisture Resistance Durable Kraft Paper Valve Bag for Powder and Granule Packaging
Our 25kg Kraft Paper Valve Bag features a composite structure combining multiple layers of high-strength extensible kraft paper with a PE moisture-proof inner film. Manufactured using fully automated bottom-gluing forming process and internal valve filling technology, these bags deliver superior performance with high strength, tear resistance, and excellent moisture-proof properties.
- High Durability: Made from 80g-100g stretchable yellow kraft paper with excellent tensile toughness, resistant to rough handling and long-distance transportation
- Moisture Protection: PE waterproof inner membrane effectively blocks moisture, rainwater, and temperature fluctuations
- Dust Prevention: Square bottom with reinforced gluing technology and inner self-sealing valve design eliminates dust emissions
- Stable Stacking: Square bottom three-dimensional shaping allows neat, stable stacking without collapse
- Environmental Compliance: Clean, odorless materials with no recycled content, meeting national engineering packaging standards
| Parameter | Specification |
|---|---|
| Standard Capacity | 50kg (25kg customizable) |
| Bag Structure | 4 layers paper + 1 film layer |
| Paper Type | High-strength stretch-resistant kraft paper (≥90g/m²) |
| Moisture Protection | Continuous inner PE lining for complete waterproof isolation |
| Forming Process | Fully automated square bottom with glued sealing, internal/external valve designs |
- Cement Industry: Long-distance transportation for major cement plants across provinces and mountainous regions
- Powder Building Materials: Putty powder, gypsum powder, heavy calcium carbonate, talcum powder, fly ash, dry mortar powder
- Chemical Powders: White carbon black, silica dioxide, additives, fillers, and fine powders requiring moisture-proof packaging
- Feed & Food Additives: Feed-grade silica dioxide, carrier powders, and premixed materials requiring dust-free, moisture-proof packaging
- Size Customization: Standard 50kg bags with options for 25kg, 40kg, or other special specifications
- Layer Customization: 2-layer, 3-layer, 4-layer, or extra-thick reinforced types
- Process Customization: Regular non-laminated, single-sided laminated, or fully waterproof laminated bags
- Printing Customization: Corporate logos, brand names, product codes, and contact information
- Material Upgrades: High grammage thickened paper, ultra-extensible strong paper, and cold-resistant weather-resistant paper
- Production Flexibility: Bulk stock orders, bidding large orders, and annual framework cooperation
Our HUAYUAN brand Kraft Paper Valve Bags (Model: 250000) are designed for industrial use with 25kg capacity. Made from high-quality natural brown Kraft Paper, these industrial valve paper bags offer exceptional tear resistance and durability. Contact us to customize your valve bag solutions tailored to your specific business requirements.
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