Custom Logo And Text Printing Kraft Paper Valve Bags With High Tensile Strength And Valve Closure For Automatic Filling
Product Details
| Printing: | Customizable, Up To 4 Colors | Thickness: | 70-120 Gsm |
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| Bagsize: | Customizable (e.g., 10kg, 25kg) | Tearresistance: | Strong Tear Resistance |
| Strength: | High Tensile Strength | Closure: | Valve Closure For Automatic Filling |
| Productname: | Paper Valve Bags | Printingoptions: | Custom Logo And Text Printing Available |
| Highlight |
Custom Logo And Text Printing Kraft Paper Valve Bags,High Tensile Strength Paper Valve Bags,Valve Closure For Automatic Filling Industrial Valve Bags |
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Product Description
The kraft paper valve bag, also known as the block bottom valve bag, is a premium packaging solution specifically engineered for industrial powders and granular materials. Manufactured using a multi-layer high-strength virgin kraft paper composite process combined with a fully automatic valve self-sealing structure, this advanced packaging forms a neat, three-dimensional rectangular shape after filling.
The sturdy design ensures stable stacking and excellent sealing performance, making it compatible with automated high-speed filling production lines. This versatile solution serves various industries including construction materials, chemicals, agricultural supplies, and food products, supporting efficient and streamlined packaging operations in diverse manufacturing environments.
Reinforced flat-bottom shaping maintains straight, square shapes after filling, offering strong self-support without bulging or deformation. Ensures stable pallet stacking and improved space utilization.
Optional inner and outer valve designs compatible with automatic powder filling equipment. Material weight automatically closes valves, eliminating manual stitching and increasing efficiency by over 40%.
Constructed with 2 to 4 layers of virgin high-strength kraft paper composite featuring uniform basis weight and excellent toughness. Resists stretching, puncturing, and dropping with reliable load capacity.
Customized precision ventilation holes quickly release trapped air during filling, preventing bag inflation and bursting. Compatible with various advanced automated filling equipment.
Made from pure kraft paper without harmful additives, making it 100% recyclable and biodegradable. Complies with EU packaging directives and domestic industrial standards.
Flattened and folded when empty for compact storage, reducing warehouse space and container loading volume. Offers excellent cost-effectiveness for bulk purchases.
| Paper Material | Premium full wood pulp kraft paper with single layer weight ranging from 70 to 120 g/m². Uniform thickness with stable tensile strength, meeting ISO 536 standard. |
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| Valve Types | Inner valve (mainstream automatic self-sealing) and outer valve (customized for manual filling). Standard valve width: 10-13 cm ensuring tight seal without powder leakage. |
| Bottom Construction | High-temperature glued square bottom method with seamless pressing and firm bonding. Excellent load-bearing capacity without glue separation. |
| Ventilation Technology | Precise ventilation holes in single-point or multi-point configurations ensuring even airflow while preventing powder escape and bag bursting. |
| Protective Features | Optional PE inner liners or single/double-sided waterproof coating for moisture protection and fine powder leakage prevention in humid environments. |
- Construction Materials: Putty powder, tile adhesive, cement mortar, gypsum powder, lime powder, waterproof powders, grout agents, and bonding agents
- Chemical Industry: Carbon black, white carbon black, talc powder, heavy calcium powder, bentonite, resin granules, chemical fillers, pigment powders, and additives
- Agricultural Supplies: Compound fertilizers, organic fertilizers, water-soluble fertilizers, feed powders, and soil conditioners
- Other Industries: Food additive powders, mineral fine powders, refractory materials, and abrasive powders
- Size Customization: Width, length, and bottom fold width tailored for 10-50 kg requirements or special weight demands
- Material Customization: 2 to 4 layers of kraft paper with 70-120g paper weights, plus PE liners, waterproof coatings, and anti-slip layers
- Process Customization: Internal/external valve options, vent hole adjustments, reinforcement thickening, and leak-proof enhancements
- Printing Customization: 1 to 6 color high-definition printing for logos, product specifications, net weight, and bilingual export information
- Appearance Customization: Natural or white kraft paper options with lamination and special finishing treatments
Product Highlights
Custom Logo And Text Printing Kraft Paper Valve Bags Product Overview The kraft paper valve bag, also known as the block bottom valve bag, is a premium packaging solution specifically engineered for industrial powders and granular materials. Manufactured using a multi-layer high-strength virgin ...
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