China wholesale - Block Bottom EVA Valve Bags – Zonpak

This kind of block bottom valve bag is specially designed for powder or pellets of rubber additives e.g. carbon black, silica, zinc oxide. The usual bag size include 5kg, 10kg, 20kg and 25kg. Melting point of the bag can be customized according to the application requirement. These bags together with the contained materials can be direct put into the mixing machine during rubber compounding process. It can help make the material user’s work easy and efficient. So more and more additive manufacturers and suppliers are replacing their paper bags with this EVA bags.

The bag dimensions can be customised as required. Anti-slip embossing, micro perforation and printing are all available if needed.