Factory Supply - Batch Inclusion Valve Bags – Zonpak

Zonpak^TM batch inclusion valve bags are specially designed packaging bags for powder or pellets of rubber, plastic and rubber chemicals. With the low melt valve bags and automatic filling machines, rubber additives manufacturers can make product packages of 5kg, 10kg, 20kg and 25kg. Using the bags can eliminate the fly loss of the material when filling, and there is no need for sealing, so it can largely improve the packaging efficiency.

The bags are made from EVA resin and featured with specific low melting point and excellent compatibility with rubber and plastics, they can be direct put into an internal mixer, can fully disperse into the rubber or plastic as a minor ingredient. Different melting points (65-110 deg. C) are available for different application conditions. As these bags can help make the compounding work easy and clean, they are becoming more popular than paper bags to the compounders.

Side gusset and block bottom forms are available. Bag size, thickness, color, embossing, venting and printing can be customized according to customers’ specific requirement.