Open Mouth 4 Ply Kraft Cement Paper Bag For Secure Packaging
Cement paper bags are environmentally friendly packaging containers specifically designed for powdered building materials including cement, dry mortar, lime, and gypsum powder. These industrial high-strength multilayer paper packaging bags are manufactured using premium kraft paper, composite paper, and laminated paper materials.
Featuring professional bag-making techniques, these bags deliver excellent strength, tear resistance, superior sealing performance, and effective moisture and dust protection. They are designed to meet industrial automated processes for filling, transportation, storage, and stacking while being non-toxic, odorless, recyclable, and biodegradable.
As a mainstream packaging solution in the building materials sector, these cement paper bags provide a green, eco-friendly, and cost-effective option for large cement plants, building material processing factories, and powder material manufacturing enterprises.

- High Strength and Damage Resistance: Multi-layer kraft paper composite structure provides strong toughness and high tensile strength, effectively withstanding filling impacts, transportation friction, and stacking pressure.
- Excellent Moisture and Dust Sealing: Customizable inner film coatings and tight sealing prevent moisture absorption, caking, and dust spillage while maintaining environmental safety standards.
- Compatibility with Automated Production: Uniform shape and precise dimensions ensure smooth operation with fully automatic and semi-automatic cement filling equipment.
- Strong Weather Resistance and Stability: Virgin wood pulp kraft paper materials offer aging resistance and adapt well to various storage and transportation environments.
- Eco-Friendly and Recyclable: Made from degradable paper materials without harmful additives, supporting industrial green production and low-carbon development standards.
- Cost-Effective and Practical: Lower cost and lighter weight than plastic alternatives, reducing transportation weight and saving logistics expenses.
Main body constructed from high-quality pure wood pulp or semi-wood pulp kraft paper with consistent paper weight, dense fibers, and free from damage, impurities, and oil stains. Laminated versions feature PE waterproof coating with firm adhesion.
| Parameter | Specifications |
|---|---|
| Conventional Structures | 2 ply, 3 ply, and 4 ply paper; paper + PE laminated composite structures |
| Bag Types | Valve bags (top valve and side valve) and open mouth bags |
| Process Standards | Neat stitching, even stitch spacing, reinforced corners, tight valve seals |
| Size Tolerance | Length and width dimensions: ≤ ±5mm tolerance |
- Cement Industry: Ordinary Portland cement, composite cement, white cement, and quick-setting cement packaging for factories of all sizes
- Dry Powder Building Materials: Dry-mix mortar, tile adhesives, putty powder, grout, insulation mortar, and gypsum powder
- Chemical Powder Industry: Industrial powder fillers, chemical dry powders, bentonite, fly ash, and mineral powder
- Agriculture and Auxiliary Materials: Powdered fertilizers, soil conditioners, feed powders, and construction auxiliary powders
- Engineering and Infrastructure: On-site material turnover, bulk storage and transportation, inventory management, and long-distance logistics
- Size and Specification: Custom dimensions, multiple paper layers (2-4 layers), weights from 20kg to 50kg
- Process and Functional: PE lamination, reinforced thickening, widened valve openings, bottom reinforcement, breathable vents
- Printing: Single-color and multi-color printing with company logos, brand names, specifications, and contact information
- Bag Type: Valve bags, open-mouth bags, and flap bags compatible with various filling equipment
- Material: Standard kraft paper, reinforced kraft paper, high-strength composite paper, and laminated waterproof paper
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