20–25 kg capacity valve bag engineered for compact powder packs — tile adhesive, dry-mix products, and fine powders on automated filling lines.
The 40 × 60 cm valve top bag is the compact workhorse of the valve bag range, designed for 20–25 kg packs of fine and semi-fine dry powders. This is the standard format for tile adhesive, thin-set mortar, grout, patching compound, and similar dry-mix building products sold in contractor-size bags. The smaller footprint keeps bag weight manageable for manual handling on job sites while maintaining compatibility with automated rotary and inline filling systems.
Fabric weight in the 85–100 GSM range provides the strength needed for dense powder products without adding unnecessary material cost. The 95 mm internal valve diameter is sized for standard filling spouts used on tile adhesive and dry-mix packing lines. PE inner lamination is recommended for hygroscopic products to prevent moisture ingress during storage and transport. Sackora configures valve position, length, and material to match your specific packer model and product flow characteristics.
All specifications are fully customizable. Contact us to discuss your exact requirements.
| Dimensions (W × H) | 40 × 60 cm |
|---|---|
| Fill Weight | 20–25 kg |
| Fabric Weight | 85–100 GSM |
| Material | Woven Polypropylene (PP) |
| Valve Type | Internal sleeve — kraft paper or woven PP |
| Valve Diameter | 95 mm (standard) |
| Lamination | PE inner lamination available |
| Printing | Up to 4-colour flexographic |
| UV Stabilization | Available for outdoor-stored products |
| Order Minimums | Flexible — contact us to discuss |
All specifications are customizable. Contact us with your product details.
Applications
The 40 × 60 cm format is the dominant bag size for tile adhesive, thin-set, and pre-mixed mortar products in the 20–25 kg range. The compact dimensions suit single-handed carrying on construction sites, and the self-closing valve eliminates dust escape during automated filling and downstream handling.
Smaller cement packs for retail and hardware store distribution, as well as gypsum plaster and patching compounds, use this format for consumer-friendly bag weights. PE lamination protects cement and plaster from moisture absorption during warehouse and retail storage.
Calcium carbonate, pigments, and specialty chemical powders packed in 20 kg bags for downstream manufacturing use this compact valve bag format. The enclosed valve design provides dust containment critical for fine industrial powders with occupational exposure limits.
Yes. The 95 mm valve diameter is the standard fitting for most tile adhesive and dry-mix packing systems including Haver & Boecker, Chronos Richardson, and Payper rotary and inline fillers. Sackora confirms valve specifications against your specific packer model before production to ensure proper fit and seal performance.
The 40 × 60 cm bag at 85–100 GSM fabric weight is rated for fill weights up to 25 kg for products with bulk density typical of cement, tile adhesive, and dry-mix mortar. For unusually dense materials, Sackora can increase fabric weight or add reinforcement to meet your specific load requirements.
PE inner lamination is the standard moisture barrier option, applied as a continuous polyethylene coating on the interior fabric surface. For products requiring enhanced barrier performance, such as hygroscopic chemicals or food-grade powders, thicker PE lamination or PE liner inserts are available. Sackora recommends the appropriate barrier based on your product sensitivity and storage conditions.
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