80-100 Gsm Kraft Paper Valve Bag with Custom Printed Patterns and 100%

Custom-printed kraft paper bags with exceptional tear resistance, specifically designed for powder packaging. These eco-friendly and durable bags provide reliable industrial packaging solutions.

Kraft paper valve bags represent high-end industrial packaging designed specifically for powdered materials. They serve as automated packaging solutions for dry mortar, building materials powder, chemical powders, and granular substances, offering reliable and efficient performance across various industrial applications.

Manufactured using multiple layers of premium kraft paper with an integrated square-bottom valve design, these bags feature a sturdy structure with well-defined, neat shapes. The advanced forming process ensures strong sealing and fast filling speeds, enhancing overall durability during handling and transportation.

Unlike ordinary open-mouth bags, valve bags support fully automated feeding, filling, and sealing processes without bottom sewing. Once filled, the bags stand upright and maintain flat, stable forms, making them ideal for large-scale production, efficient stacking, warehousing, and long-distance logistics.

• High Strength Construction: Exceptional tensile strength and tear resistance prevents rupture and powder leakage. Made from 100% wood pulp stretch kraft paper for superior toughness and durability.
• Multi-Layer Protection: Composite structure significantly enhances impact and abrasion resistance, reducing risks of cracking or bottom breakage during handling and transport.
• Automatic Sealing Valve: Specialized valve enables efficient, dust-free filling compatible with automatic filling machines for fast, precise operation without jamming.
• Moisture Protection: Available in pure paper, laminate coating, or multi-layer inner film options to block humidity and prevent powder clumping in various environments.
• Stable Square Bottom: Well-defined shape with high firmness and excellent upright stability for orderly stacking and space-efficient storage.
• Reinforced Construction: Strong bonding process with reinforced bottom resists delamination under drag, impact, and compression stresses for harsh environment performance.

• Building Materials: Dry powder mortar, tile adhesive, putty powder, gypsum powder, joint fillers, waterproof powders, insulation mortar, cement-based materials
• Chemical Industry: Calcium carbonate, talcum powder, calcium hydroxide, silicon dioxide, resin powders, flame retardant powders, chemical fillers
• Agricultural & Food: Fertilizer powders, organic fertilizer powders, feed powders, food additive powders
• Other Industries: Mineral powders, metal powders, refractory material powders, abrasive granules, construction auxiliaries, industrial dry granular materials

• Size & Specification: Custom layers, weight, width, length, and bottom width for 20-50kg materials; special non-standard sizes available
• Functional & Process: Plain paper, laminated moisture-proof, inner membrane waterproof, thickened strengthening, and wear-resistant reinforcement options
• Brand Printing: Free design services for logos, company names, product information; monochrome to full-color printing options
• Bag Structure: Inner valves, outer valves, ventilation holes, reinforced bottoms, special valve structures compatible with various filling equipment
• Batch Services: Small trial runs to large-scale production with stable delivery schedules and personalized packaging solutions