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Construction Material Cement Bag Open Mouth Multiwall Bags
Customized Logo Durable Packaging Solution for Bulk Materials
Product Overview
Open-mouth kraft paper bags, also known as open-top kraft paper bags, are widely used industrial bulk packaging products. They are designed to accommodate various types of materials, making them versatile for different industrial applications.
These bags are constructed using multiple layers of high-strength virgin kraft paper, which ensures durability and reliability during handling and transportation. The robust composite structure provides excellent protection for the contents inside.
Typically, the bags feature a fully open top for easy filling and a bottom that is either stitched or glued to form a secure base. Notably, these bags do not include any valve openings, differentiating them from valve bags commonly used for powdered goods.
Key Features
Wide Open Design: Unobstructed, fully open mouth design prevents material clogging, supports various loading methods including manual filling, semi-automatic equipment, and shovel loading. Easy sealing with tying, stitching, or heat sealing.
Multi-layer Thickened Material: Made from 1 to 4 layers of virgin pulp kraft paper composites (80-100g/㎡). Environmentally friendly water-based adhesive bonding ensures strong adhesion without delamination. Excellent tensile, tear, and puncture resistance for 25-50 kg loads.
Optional Moisture-Proof Inner Liner: Available with complete PE moisture-proof inner liner or waterproof coating. Effectively blocks air moisture and external dust, preventing material clumping and deterioration in humid environments.
Square Bottom for Stability: Standard square bottom forming process creates flat, sturdy base for self-standing stability. Allows neat stacking, increases warehouse space utilization, and reduces storage and logistics costs.
Environmentally Friendly: Made from fully wood-pulp stretch kraft paper - non-toxic, odorless, pollution-free, fully recyclable and biodegradable. Complies with environmental regulations and green supply chain policies.
Clear and Attractive Printing: Supports multi-color high-definition offset and flexographic printing. Custom printing of company logos, specifications, QR codes, and contact information with strong adhesion and abrasion resistance.
Technical Specifications
Raw Material Standards
Full-wood pulp stretch kraft paper, free from recycled impurities. Standard weight: 80-100 g/㎡, customizable 1-4 layers. Environmentally friendly water-based adhesive bonding ensures long-term storage without delamination.
Dimensional Tolerance
Length, width, fold edges, and bottom dimensions controlled within ±5mm tolerance. Bag openings are flat without distortion, bottoms are square and symmetrical for compatibility with semi-automatic filling machines.
Physical Performance
Tearing and tensile strength meet required standards. Puncture resistance ≥400kPa for three-layer structures. Withstands 1.5-meter vertical drop without cracking. Moisture-proof design limits water absorption to ≤30 g/㎡ within 30 minutes.
Appearance and Process
Smooth, firm surface free of wrinkles and stains. Even lamination without bubbles or glue omissions. Smooth bag opening with no rough edges. Uniform stitching or fully adhered glued bottom. Clear printed patterns with strong ink adhesion.
Safety and Compliance
Odorless and free from harmful volatile substances. Food-grade packaging meets safety standards for food contact. Industrial-grade packaging complies with chemical, construction, and feed industry regulations. Conformity test reports available for export standards.
Industry Applications
Building Materials: Dry-mixed mortar, putty powder, gypsum powder, lime powder, waterproof powder, thermal insulation mortar, masonry auxiliaries, and tile adhesives.
Chemical Industry: Carbon black, white carbon black, pigments, dyes, plastic masterbatches, chemical fillers, additives, fertilizers, compound fertilizers, and inorganic salts.
Food and Feed: Flour, starch, corn flour, edible sugar powder, grain granules, food additives, feed powders, and feed pellets with food-grade safety compliance.
Mining and Refractory: Mineral powders, graphite powders, metal powders, activated carbon, refractory powders, ceramic powders, and insulation materials.
Rubber, Plastics & New Materials: Plastic granules, rubber additives, color masterbatches, modified materials, daily chemical powders, and new energy powder materials.
Customization Options
Size and Specification: 1 to 4-layer multi-layer structures. Weight capacities: 5kg, 10kg, 20kg, 25kg, 40kg, 50kg. Adjustable bag length, width, gusset width, and mouth height.
Material and Structure: Natural yellow kraft paper or refined white kraft paper. Pure paper designs or paper combined with PE inner moisture-proof layers and bottom gluing craftsmanship.
Printing and Appearance: High-definition printing in 1 to 4 colors. Custom logos, company names, product models, net weights, standards, addresses, batch numbers, QR codes, and export parameters.
Functional and Process: Additional features including moisture-proof inner liners, breathing valves, and reinforced bag bottoms for high humidity, dusty environments, and overseas shipping.
One-Stop Cooperation: Complete workflow from requirement consultation to after-sales follow-up. Expedited production, on-demand customization, full order quality inspection, and traceable process for consistent quality and timely delivery.
HUAYUAN offers premium Multiwall Sewn Paper Bags under model number 250000, crafted in Henan, China. Our Sewn Multiwall Paper Bags are lightweight but durable, ensuring reliable performance for various packaging needs.
We provide full customization services, allowing you to personalize the logo, color, and thickness of the barrier as per your order specifications. Whether you require Sewn Multi-layer Paper Bags for industrial or commercial use, we accept custom orders to meet your unique requirements.
Trust HUAYUAN for high-quality, customizable multiwall sewn paper bags designed to protect and present your products effectively.
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...
