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

• 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.