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| Place of Origin: | Henan Huayuan |
| Brand Name: | HUAYUAN |
| Certification: | GB/T19001-2016/IS09001:2015 |
| Model Number: | 25000091 |
The colorful kraft paper valve bag is made with high-strength colored kraft paper as the outer material, providing durability and an attractive appearance for industrial packaging needs.
Inside, the bag features multiple layers of composite lining paper, ensuring enhanced protection and strength. This multi-layer structure helps maintain the product's integrity during storage and transportation.
Additionally, the bag is equipped with an internal glued valve structure that facilitates efficient filling and sealing, making it suitable for various industrial applications.
Outer layer made of colorful kraft paper available in multiple colors with rich, uniform coloring and clear printing. Direct printing of logos and information without additional lamination.
Crafted from 2 to 4 layers of composite kraft paper offering strong tensile strength and excellent toughness, resistant to bag rupture and bottom blowouts.
High-quality glued angle valve with middle valve design prevents dust leakage and seals automatically after filling without sewing or tying.
Optional PE waterproof inner film or moisture-resistant coatings prevent moisture absorption, suitable for humid environments and outdoor storage.
Flat bag opening and standardized valve port fit automatic packing machines including impeller-type, pneumatic, and screw-type fillers.
Made entirely of paper material with environmentally friendly water-based printing, non-toxic, odorless, and 100% recyclable.
| Parameter | Specifications |
|---|---|
| Material Requirements | Outer layer: colored virgin kraft paper; Inner layer: high-strength natural kraft paper; Optional PE moisture-resistant lining |
| Number of Layers | 2, 3, or 4 layers available as per requirements |
| Weight Specifications | Customizable paper weight according to load-bearing needs |
| Valve Specifications | High-temperature gluing process; Standard dimensions for automated filling; Optional corner or center valves |
| Printing Technology | Food-grade eco-friendly water-based inks; Fade, scratch, and bleed resistant; Multicolor printing supported |
| Physical Performance | Tear resistance; Drop and stacking durability; Moisture resistance; Load capacity: 5kg to 50kg |
| Dimensional Tolerance | Length and width controlled within ±5mm; Square bag opening; Flat bag bottom |
Packaging for dry powder building materials including putty powder, gypsum powder, tile adhesive, grout, cement, dry mortar, and quartz sand.
Suitable for industrial powders including PVC resin powder, talc powder, calcium carbonate, soda ash, baking soda, and chemical additives.
Packaging for agricultural materials such as pellet feed, feed additives, fermentation materials, organic fertilizers, and seeds.
Food-grade dry powder packaging for items like flour, starch, corn flour, food additives, and protein powders.
High-grade colorful appearances meeting environmental standards for container shipping and cross-border trade.
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