25kg to 50kg Kraft Paper Valve Bag with High Moisture Resistance and Self-opening Valve for Bulk Material Storage
Product Details
| Moistureresistance: | High Moisture Resistance | Customization: | Available With Custom Logos And Designs |
|---|---|---|---|
| Valvetype: | Self-opening Valve | Environmentalfriendly: | Recyclable And Biodegradable Options |
| Closure: | Glued Valve Closure | Material: | Multi-layer Paper And Polyethylene |
| Bagtype: | Valve Bag | Dimensions: | Customized Sizes Available |
| Highlight |
25kg to 50kg pasted valve bags,self-opening valve bags for bulk storage,moisture-resistant pasted valve bags |
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Product Description
The kraft paper valve bag, also known as the glued bottom valve bag, is an environmentally friendly packaging container made primarily from high-quality kraft paper. Manufactured using internationally popular production techniques, it ensures both durability and sustainability.
Designed specifically for powdered and granular materials, this bag provides excellent protection and convenient handling during storage and transportation. Its robust construction makes it suitable for a wide range of industrial and civilian packaging applications.
Thanks to its eco-friendly materials and efficient design, the kraft paper valve bag has become a preferred choice for businesses seeking reliable and sustainable packaging solutions.
- Environmentally Friendly & Durable: Made from 100% wood pulp kraft paper that is biodegradable and recyclable without harmful residues. Highly tough material resistant to tearing and pulling.
- Efficient Automated Filling: Dedicated valve design connects directly with automated filling equipment, significantly faster than traditional packaging with dust-free operation.
- Sealed & Moisture-Proof: Precision bonding technology automatically closes after filling, providing excellent sealing. Customizable composite PE films and moisture-proof coatings available.
- Stable Stacking: Forms standard cuboid shape after filling with stable structure, optimizing warehouse and transport space utilization.
- High-Quality Printing: Smooth surface enables high-precision printing (300 dpi or higher) with vivid, fade-resistant colors for brand promotion.
- Adjustable Toughness: Customizable single-layer, double-layer, or multi-layer kraft paper structures with static load-bearing capacity up to 50 kg.
| Parameter Category | Requirements |
|---|---|
| Material Requirements | Base paper: 100% virgin wood pulp kraft paper, free from impurities and odors. PE film thickness: ≥25 micrometers, compliant with food-grade standards where applicable. |
| Structure & Process | Valve position deviation: ≤3mm. Valve width: 80-100mm (±1mm tolerance). Bag-making requires perfect alignment, reinforced bottom with kraft paper patch, even stitching, and strong bottom glue. |
| Size Accuracy | Standard size tolerance: ±3mm. Custom dimensions adjustable to ensure compatibility with filling equipment and storage space. |
| Performance | 25kg products: withstand three drops from 1.2m height. 50kg products: pass drop test from 0.8m and maintain static load capacity exceeding 50kg. Printing uses environmentally friendly, odorless, fade-resistant ink. |
We serve diverse industries including building materials, chemicals, food processing, feed and agricultural sectors, and various other industries requiring customized packaging solutions.
- Size Customization: Bespoke sizing tailored to filling equipment, material weight, and storage space. Standard capacities: 25kg and 50kg.
- Material Customization: Single-layer, double-layer, or multi-layer kraft paper structures with optional PE moisture-proof films.
- Printing Customization: Corporate logos, product names, specifications, instructions, and QR codes using eco-friendly soybean oil-based inks.
- Process Customization: Internal valves (recommended for food industry) or external valves (recommended for chemical industry).
- Professional Team: Experienced specialists in customizing kraft paper valve bags for specific industry requirements.
- Cost-Effective Solutions: Direct manufacturer pricing without intermediaries, optimized according to budget.
- Comprehensive Service: Dedicated one-on-one support throughout the entire process.
HUAYUAN Valve Bags: Model number 2500000. Manufactured in Henan Xinxiang, China. Features self-opening valve type and glued valve closure for efficient filling and sealing. Ideal for cement, powders, and granular products with quick and reliable discharge.
Product Highlights
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