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Typically 70-120 GSM Thickness Colored Multiwall Bags
Enhanced tear resistance due to multi-layer construction and moisture resistance polyethylene lining
Product Overview
The colored multi-layer kraft paper valve bag is made from high-strength colored kraft paper as the base material. It features a 2 to 4-layer laminated structure that enhances its durability and strength.
This eco-friendly industrial packaging bag is manufactured using patented valve technology, ensuring efficient and secure sealing. It is specifically designed for dust-free filling and transportation of powdery and granular materials ranging from 25 to 50 kilograms.
With its robust construction and innovative design, the colored multi-layer kraft paper valve bag provides an excellent solution for safe storage and handling in various industrial applications.
Key Features
Multi-layer Durable Structure for Load Bearing and Impact Resistance
Made from high-quality colored kraft paper (80-120 GSM) laminated with 2-4 layers of water-based environmentally friendly adhesive. Tensile strength: ≥4.5 kN/m (machine direction), ≥3.5 kN/m (cross direction). Bursting strength: ≥1400 kPa. Withstands 2-meter drops without damage.
Customizable Color Printing for Enhanced Brand Recognition
Supports spot color and four-color offset printing with vivid colors, strong adhesion, and excellent abrasion resistance. High-definition full-color printing for logos and product information display.
Valve Seal Design for Dust-free and Efficient Filling
Options include internal or external valves with ultrasonic heat sealing technology. Valve automatically closes during filling to prevent powder leakage and dust dispersion. Valve dimensions precise within ±5mm for fast filling speeds and excellent sealing performance.
Moisture and Dust Barrier to Ensure Quality and Freshness
Optional PE liner provides moisture-proof and leak-resistant features, effectively blocking water vapor and dust to extend material shelf life. All-paper structure is odorless and pollution-free.
Eco-friendly, Biodegradable, and Cost-Effective Compliance
Made from renewable plant fibers, kraft paper is recyclable and naturally biodegradable. Meets "plastic ban" regulations and green supply chain requirements. Reduces environmental costs compared to plastic woven bags.
Space-saving Stackability and Efficient Logistics
Square bottom three-dimensional structure for neat stacking and strong stability. Prevents sliding and collapse, improving warehouse space utilization. Lightweight yet tough design uses less material while handling same loads.
Technical Parameters
Parameter
Specifications
Material Requirements
Virgin wood pulp kraft paper, 70-120 GSM, free from damage, odors, or impurities
High cleanliness, light avoidance, moisture resistance, odor-free
Minerals and Energy
Mineral powder, coal powder, metal powder, activated carbon
Dust prevention, moisture resistance, high strength, leak-proof
Other Industries
Pharmaceutical intermediates, daily chemical powders, refractory materials
25-50 kg granular or powder material packaging
Customization Services
Specification Customization
Length: 500-900 mm, Width: 300-600 mm, Fold edges: 50-150 mm. Load capacity: 25kg, 30kg, 40kg, 50kg. Layers: 2, 3, or 4 layers (standard: 3 layers - 2 paper + 1 film).
Color and Printing Customization
Custom spot colors (red, yellow, blue, green, black, white) with Pantone matching. High-definition 1-4 color printing for logos, company names, specifications, QR codes. Techniques: offset printing, embossing, intaglio printing, lamination.
Functional Customization
Double-layer bottom reinforcement, side stiffening ribs, valve mouth strengthening. Opening options: inner valves, outer valves, easy-tear openings, air vents to prevent bag bloating.
Cooperation Process
Requirement Communication: Confirm material characteristics, load capacity, dimensions, colors, printing, and functional needs
Solution Design: Free provision of design drawings and sample confirmation
Production and Delivery: 20-30 days lead time with logistics services and full tracking
After-Sales Guarantee: Unconditional returns and exchanges for quality issues with technical support
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2007-09-18
Total Annual:
20000000-20000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Xinxing Huayuan Paper-Plastic Bag Co., Ltd. Company Profile
Company Overview :
Established on September 18, 2007, Xinxing Huayuan Paper-Plastic Bag Co., Ltd. specializes in the paper packaging industry, providing high-quality paper-plastic packaging solutions for customers. Located in the Xinduo Ec... Xinxing Huayuan Paper-Plastic Bag Co., Ltd. Company Profile
Company Overview :
Established on September 18, 2007, Xinxing Huayuan Paper-Plastic Bag Co., Ltd. specializes in the paper packaging industry, providing high-quality paper-plastic packaging solutions for customers. Located in the Xinduo Ec...
