Valve Bag
Details:
A valve bag is a type of packaging bag that achieves high-speed quantitative filling by fitting the valve spout at the top or bottom of the bag onto the filling nozzle of a valve bag filling machine. It is equipped with various valve styles to match different filling machines and packaged products.
Size：
Width :
180 mm – 740 mm
Length :
250 mm – 1310 mm
Bottom :
70 mm – 250 mm
Number of plies :
1 – 6
Colour printing :
Up to 8-colour printing available
Loading Capacity :
10-110lb Capacity
Base paper :
Both bleached and unbleached paper options are on hand, and can be tailored as per specific demands. In case added moisture resistance is needed, polycoated layers or High Density Polyethylene (HDPE) films can be integrated.
Three Common Types of Valve Bags
1. Multi-layer kraft paper valve bags: For cement, putty powder, gypsum, flour and starch; eco-friendly and easy to print.
2. Paper-plastic composite valve bags (paper with PE inner liner): For chemical powders and additives, moisture-proof and dust-proof.
3. PP woven valve bags: For granular raw materials, mineral powder and chemical fertilizers, sturdy and wear-resistant.
Description
Main Uses
- Widely used for packing cement, mortar, putty powder, gypsum powder and other building materials.
- Ideal for chemical powder, pigment, resin, industrial raw materials and chemical additives.
- Suitable for fertilizer, grain, starch, flour, feed and agricultural products.
- Applied to new energy materials, mineral powder, refractory materials and various granular & powdery goods.
Core Advantages
- Easy automatic filling, high packing efficiency, less dust pollution.
- Square shape after filling, neat stacking, save storage and transportation space.
- Good sealing performance, effectively prevent leakage, moisture and caking.
- High toughness, strong bearing capacity, not easy to break during transit.
- Customizable size, printing logo and surface treatment for brand promotion.
- Eco-friendly, lightweight and cost-effective for bulk shipment.
Gao –
very nice
Gao –
love this bag