High Moisture Resistance Pasted Valve Bags with Self-opening Valve and Glued Valve Closure for Bulk Material Handling

The kraft paper valve bag, also known as the glued bottom valve bag, is an environmentally friendly packaging container primarily made from high-quality kraft paper. Manufactured using internationally advanced techniques, this durable bag is specifically engineered for powdered and granular materials across various industrial and consumer packaging applications.

• Eco-friendly and Durable: Made from 100% wood pulp spun kraft paper that is biodegradable and recyclable without harmful residues
• Efficient Filling: Specially designed valve mouth integrates with automated filling equipment, increasing speed and reducing labor costs
• Sealed and Moisture-proof: Precision sealing technology with optional PE films and moisture-resistant coatings
• Neat Stacking: Forms standard cubic shape after filling for stable stacking and optimal space utilization
• Clear Printing: Smooth surface allows high-precision printing up to 300 dpi for vibrant, fade-resistant branding
• Adjustable Toughness: Customizable single-layer, double-layer, or multi-layer structures with static load-bearing up to 50 kg

• Substrate: 100% virgin wood pulp kraft paper with no impurities or unpleasant odors
• Composite layer: PE film thickness ≥25μm, food-grade PE compliant with food contact standards

• Valve design: Positional deviation within 3mm, width 80-100mm (customizable, tolerance ±1mm)
• Valve sleeve: Polyethylene laminated kraft paper with reinforced load-bearing tests
• Bag making: Smooth folding and gluing, reinforced bottom, even stitching without gaps
• Dimensions: Standard size tolerance ±3mm, custom sizes with adjusted tolerances

• Printing: Environmentally friendly, odorless, fade-resistant inks with positional deviation ≤5mm
• Compliance: Meets all relevant environmental and industry regulations

• Construction materials sector
• Chemical industry
• Food sector
• Feed and agriculture industry
• Various other industrial applications

• Size Customization: Tailored bag dimensions including length, width, and valve size to fit your equipment and storage requirements
• Material Customization: Single-layer, double-layer, or multi-layer kraft paper structures with optional PE moisture-proof film
• Printing Customization: Company logos, product information, QR codes using eco-friendly soybean ink with 300+ dpi clarity
• Process Customization: Inner valve (food industry) or outer valve (chemical industry) designs

1. Requirement Communication: Provide customization needs including size, material, weight capacity, printing, quantity, and delivery time
2. Sample Production: Quick sample production with free modifications based on customer feedback
3. Contract Signing: Formal agreement specifying product specifications, quantity, timeline, pricing, and after-sales service
4. Mass Production: Strict quality control with multiple inspections throughout production
5. Logistics and Delivery: Arranged according to customer needs with full tracking and timely delivery