Customizable Size Kraft Paper Valve Bag 100% Recyclable Moisture Resistant for Industrial Packaging
Product Details
| Customization: | Available (size, Printing, Valve Type) | Valvetype: | Open Valve / Closed Valve |
|---|---|---|---|
| Sample: | Provide | Application: | Packaging Cement, Flour, Chemicals, Food Products |
| Size: | Customizable (e.g., 50x70 Cm) | Recyclability: | 100% Recyclable |
| Bagtype: | Valve Bag | Material: | Kraft Paper |
| Highlight |
Customizable Size Kraft Paper Valve Bag,100% Recyclable Valve Paper Bag,Moisture Resistant Industrial Valve Bag |
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Product Description
Premium industrial valve paper bags designed for bulk material packaging of powders and granular materials. Constructed from multiple layers of pure wood pulp kraft paper with a flat-bottom valve structure, compatible with fully automated filling production lines.
Self-sealing valve structure automatically locks after filling without stitching or tying, preventing dust dispersion and powder leakage.
Multiple layers of kraft paper (2-4 layers) provide excellent durability against impacts, tears, and collisions during transportation.
Optional PE inner liner or coated moisture barrier blocks vapor and humidity, preventing material caking and moisture damage.
Square bottom and three-dimensional shape enable upright standing and orderly stacking without leaning or collapsing.
Made from pure wood pulp kraft paper that is biodegradable, recyclable, and meets food-contact packaging requirements.
Supports high-definition multi-color printing for logos, product parameters, and bilingual instructions with fade-resistant results.
| Parameter | Specifications |
|---|---|
| Material | 100% virgin wood pulp stretch kraft paper, 70-100 gsm basis weight |
| Layers | 2-layer, 3-layer, and 4-layer configurations (standard: three paper layers plus one film layer) |
| Load Capacity | 10kg, 20kg, 25kg, 40kg, 50kg (custom options available) |
| Bag Structure | Square bottom valve bags, outer valve, or inner valve types |
| Moisture Resistance | No film, single PE film, or double-layer moisture-resistant coating options |
| Printing | 1 to 6 colors using flexible printing, customizable in English and Chinese |
| Size Tolerance | Width: ±2mm, Length: ±3mm |
| Paper Quality | 100% virgin wood pulp without recycled fibers, smooth and tough surface with stable tensile strength |
| Bonding Process | Fully automatic high-temperature bonding ensuring secure bag bottoms and valve seals |
| Sealing Requirements | Neatly formed valve mouths for smooth filling and automatic sealing, preventing powder backflow |
| Physical Performance | Passed drop and stacking tests, no damage during normal storage and transportation |
| Appearance | Clear printing with accurate color registration, free of stains, wrinkles, or damage |
Packaging for potato starch, sweet potato starch, corn starch, flour, food additives, protein powders, glucose powder, and more. Suitable for domestic sales and export inspections.
Packaging for resin powders, rubber and plastic auxiliaries, dry powder coatings, chemical powders, fillers, pigment powders, and desulfurization powders with excellent moisture and dust protection.
Packaging for putty powder, gypsum powder, cement mortar, tile adhesive, bonding agents, waterproof powders, refractory materials, and insulation powders ensuring stable stacking.
Packaging for feed additives, organic fertilizers, compound fertilizer powders, and pesticide powders. Clean, dust-free design suitable for automated production lines.
Designed to withstand long-distance sea and land transportation with excellent moisture resistance, compression strength, and impact resistance. Customization includes full English, bilingual printing, and customer logo branding.
- Size Customization: Tailored width, height, and valve sizes based on filling equipment and loading weight
- Layer Customization: Options ranging from 2 to 4 layers of paper, with or without inner films, including reinforced thickened versions
- Moisture Protection Customization: Standard, moisture-proof, and high moisture-resistant versions specifically made for sea freight
- Printing Customization: Inclusion of company logos, names, addresses, phone numbers, barcodes, and bilingual instructions
- Valve Customization: Choices include inner valve, outer valve, extended valve, and high-speed filling specialized valves
- Order Flexibility: Support for sample production, small batch trial orders, and large-scale mass production, combining stock and made-to-order inventory
Product Highlights
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