Heavy-duty 40–50 kg laminated format for cement, chemicals, fertilizers, and moisture-sensitive industrial products requiring full vapour barrier protection.
The 50 × 95 cm laminated PP woven bag is the heavy-duty industrial format for 40–50 kg products that require moisture barrier protection. This is the standard packaging specification for cement, dry-mix construction products, industrial chemicals, fertilizers, and any hygroscopic powder or granule that degrades when exposed to ambient humidity. The PE lamination layer creates a continuous moisture vapour barrier across the entire bag surface, preventing the product hardening, caking, and quality loss that occurs in unlaminated packaging during warehouse storage and transport.
At 40–50 kg, this bag operates in demanding industrial environments where fill equipment runs at high speed and bags endure rough mechanical handling — conveyor impact, forklift contact, and multi-high pallet stacking. The 85–110 GSM base fabric weight delivers the tensile strength and puncture resistance these conditions demand. Both valve-top and open-mouth closures are available: valve-top for automated high-speed filling lines used in cement and chemical plants, and open-mouth for products that require wider fill openings or manual packing operations. BOPP outer lamination is available for products requiring branded packaging or regulatory identification markings.
All specifications are fully customizable. Contact us to discuss your exact requirements.
| Material | Woven Polypropylene (PP) with PE and/or BOPP lamination |
|---|---|
| Flat Dimensions (W × L) | 50 × 95 cm |
| Load Capacity | 40–50 kg |
| Base Fabric Weight | 85–110 GSM |
| Lamination Type | PE inner, BOPP outer, or double (PE + BOPP) |
| PE Film Thickness | 20–35 microns |
| BOPP Film Thickness | 18–25 microns |
| Closure Options | Open mouth (sewn/heat-sealed) or valve top |
| UV Stabilization | Available for outdoor storage applications |
| Printing | Up to 8-colour rotogravure (BOPP) or 4-colour flexographic (PE) |
All specifications are customizable. Contact us with your product requirements.
Applications
Portland cement, morite, tile adhesive, and dry-mix products in 40–50 kg bags require moisture barrier packaging to prevent premature hydration and hardening during storage. PE-laminated bags protect cement from humidity absorption that causes lumping and product rejection. The 50 × 95 cm format is compatible with high-speed valve-top filling equipment used in cement plants, and the heavy-duty fabric withstands the abrasive nature of mineral-based construction products.
Industrial chemicals, granular fertilizers, and agrochemical products that absorb moisture or degrade when exposed to humidity are packed in PE-laminated bags for supply chain protection. The moisture barrier prevents caking in hygroscopic products like urea, ammonium nitrate, and potash-based fertilizers. The 40–50 kg format is the standard industrial pack size for chemical distribution across Canadian and American agricultural markets.
Flour mills, sugar refineries, and food ingredient manufacturers pack 40–50 kg bags for bakery and food manufacturing customers. Food-grade PE lamination meets CFIA and FDA contact requirements, and the moisture barrier preserves product quality during multi-week storage in non-climate-controlled warehouses. BOPP outer lamination enables branded packaging with complete ingredient declarations and lot traceability.
Yes. Our PE lamination for cement applications is specified at 20–35 microns, which provides a continuous moisture vapour barrier sufficient for 6–12 months of warehouse storage in normal humidity conditions. For extreme humidity environments or extended outdoor storage, we can increase film thickness and add UV stabilization to the outer fabric. Tell us your storage conditions and we will specify the appropriate lamination.
Yes. The 50 × 95 cm laminated bag is available in valve-top configuration for high-speed rotary and inline filling equipment used in cement plants, chemical facilities, and flour mills. The valve is pre-formed and compatible with standard valve filling spouts. Valve dimensions and placement can be customized to match your specific equipment. Open-mouth configuration is also available for products that require wider fill openings.
PE (polyethylene) inner lamination provides a moisture vapour barrier — its primary function is protecting the product from humidity. BOPP (biaxially oriented polypropylene) outer lamination provides a smooth, glossy print surface for high-quality brand graphics and product identification. For industrial products like cement and chemicals, PE lamination alone is typically sufficient. For branded food products or consumer-facing packaging, BOPP outer lamination adds retail-quality print capability. Both can be combined for maximum protection and presentation.
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