Paper Outer Valve Bag – Industrial Packaging for Building Materials & Construction Powders
Paper Outer Valve Bag – Industrial Packaging for Building Materials & Construction Powders
Heavy-duty paper outer valve bag with external one-way valve. Ideal for building materials, construction powders, and industrial additives. Dust-free, moisture-resistant, and fully customizable printing
Features
- External One-Way Valve、Heavy-Duty Kraft Paper、Moisture Barrier、Custom Print、Stackable Design
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Product Description
Overview
The paper outer valve bag is engineered for construction powders, industrial additives, and building materials, offering superior protection and handling performance. Its external one-way valve allows gases to escape during storage and curing while preventing moisture ingress — critical for maintaining product quality and consistency.
Constructed from high-strength kraft paper with laminated inner layer, it resists tearing, punctures, and environmental exposure. The stackable design enables efficient warehouse storage and transport. The custom print surface allows full branding and compliance labeling.
Ideal for construction material manufacturers, distributors, and export packaging.
Product Features
External One-Way Valve: Releases internal pressure, prevents moisture entry
Heavy-Duty Kraft Paper: High tensile strength, tear-resistant
Moisture & Dust Barrier: Prevents clumping and contamination
Food Grade Inner Layer (Optional): For hygiene-sensitive applications
Custom Print: Full-color branding, technical data, safety icons
Stackable Design: Efficient storage and logistics
Eco Options Available: Recyclable structures on request
Product Specifications
| Application | Material Structure | Typical Size (L × W) | Capacity Range | Valve / Opening Type |
|---|---|---|---|---|
| Cement | Kraft Paper + PE / PP | 700 × 450 mm | 25–50 kg | Internal Valve |
| Plaster / Gypsum | Kraft Paper + AL / PE | 600 × 400 mm | 20–30 kg | External Valve |
| Tile Adhesive | Kraft Paper + PE | 500 × 350 mm | 10–15 kg | External Valve |
| Construction Powder | Kraft Paper + PE / PP | 400 × 280 mm | 5–8 kg | Open Mouth (Sewn) |
| Fully Custom | Any structure | Up to 900 × 600 mm | Up to 60 kg | Any: Internal / External / Open Mouth |
Product Applications
Building Materials: Cement, plaster, mortar
Construction Powder: Tile adhesive, grout, joint compound
Industrial Additive: Plasticizer, accelerator, retarder
Mortar Mix: Cement-based, sand-lime, ready-mix
Export Packaging: Branded bulk-ready bags
Trusted by global construction material brands.
