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Quality Moderate Moisture Resistance Kraft Multiwall Bags with Optional PE Film Liner for Dust-Free Filling in Industrial Packaging factory
Quality Moderate Moisture Resistance Kraft Multiwall Bags with Optional PE Film Liner for Dust-Free Filling in Industrial Packaging factory
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Moderate Moisture Resistance Kraft Multiwall Bags with Optional PE Film Liner for Dust-Free Filling in Industrial Packaging

Brand Name: HUAYUAN
Model Number: 250000141
Place of Origin: Henan Huayuan
Certification: GB/T19001-2016/IS09001:2015
Minimum Order Quantity: 10000
Price: Negotiable
Supply Ability: 20000000PC/year

Product Details


Size: Accept Custom Order Pe Film Liner: Optional
Packing: Flat Packed On Pallets Size Options: Various Sizes Available
Width: 180 Mm - 750 Mm Layers: Multi-layer
Surface Finish: Natural Brown Or Bleached White
Highlight

Moderate moisture resistance Kraft multiwall bags

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Multiwall Kraft bags with PE film liner

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Moisture damage protection packaging bags

Product Description

Moderate Moisture Resistance Kraft Multiwall Bags with Optional PE Film Liner
Product Overview
Multi-layer kraft paper valve bags are premium automated packaging products specifically designed for industrial powders and granular materials. These bags feature a composite structure made of three layers of paper combined with one layer of film, ensuring durability and reliability.
Equipped with a square valve and three-dimensional flat bottom design, these bags are perfectly compatible with high-speed automatic filling machines. They offer excellent strength, superior sealing performance, dust-free operation without powder leakage, and neat stacking arrangement.
Widely used in industries such as metallurgy alloys, refractory materials, chemical powders, and construction additives, these valve bags are suitable for packaging materials weighing between 25 to 50 kilograms. They serve as a standardized industrial packaging solution replacing conventional woven bags.
The product supports customization in terms of the number of layers, materials, and specifications, allowing for personalized packaging solutions to meet various industrial requirements.
Kraft multiwall paper bags with square valve design for industrial packaging
Key Features
  • Dust-Free Filling: Specialized valve design ensures rapid air discharge without powder spillage, eliminating workshop dust issues
  • High Durability: Multi-layer kraft paper composite structure with thickened inner liner provides excellent tensile strength, puncture resistance, and drop resistance
  • Moisture-Proof Protection: Internal waterproof and barrier liner prevents deterioration and caking of easily oxidized or moisture-absorbing materials
  • Regular Shape: Glued bottom square-bottom process maintains square, upright shape for neat stacking and maximum storage utilization
  • Automation Compatible: Works with fully automatic filling systems, reducing labor costs and improving packaging efficiency
  • Environmentally Friendly: Made from degradable and recyclable high-strength kraft paper material without harmful additives
Technical Parameters
Parameter Specification
Material Requirements Industry-standard materials suitable for actual application scenarios and working conditions
Valve Mouth Technology Advanced molding technology for precise filling speed control and enhanced sealing
Physical Properties Sufficient strength, toughness, and environmental resistance to withstand moisture, compression, tearing, and drops
Printing Requirements High-definition printing with clear patterns, vivid text, and uniform colors
Dimensional Accuracy Strict control over specifications for perfect compatibility with filling equipment
Applications
  • Metallurgical Alloy Industry: Vanadium nitrogen alloys, ferromolybdenum, calcium silicon alloys, ferro silicon, silico-manganese alloys, inoculants, deoxidizers, and rare earth alloys
  • Refractory Materials Industry: Refractory castables, high alumina powder, refractory mud, fireproof powders, insulation mortar, and fine refractory aggregates
  • Chemical and Building Materials: Dry mortar, putty powder, calcium carbonate, talcum powder, chemical additives, powder additives, and pigment powders
  • Agricultural, Food and Feed: Customizable food-grade materials for fertilizers, feed powders, and food raw material powders
Customization Options
Size Customization
Non-standard sizes from 20kg to 50kg to fit small or large-scale filling equipment
Layer Customization
Options for 2-ply, 3-ply, or 4-ply kraft paper for adjustable strength and flexibility
Inner Film Customization
Standard PE waterproof liner or thicker liners for added protection
Printing Customization
Customized printing including company logos, names, contact information, product specifications, and multicolor designs
Process Customization
Anti-slip treatment, waterproof lamination, reinforced valve openings, thickened bag bottoms, and wear-resistant treatment
Packaging Customization
Adjustable number of packages per bundle, packaging methods, pallet packaging, and custom outer cartons

Product Highlights

Moderate Moisture Resistance Kraft Multiwall Bags with Optional PE Film Liner Product Overview Multi-layer kraft paper valve bags are premium automated packaging products specifically designed for industrial powders and granular materials. These bags feature a composite structure made of three ...

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