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Zonpak low melt bags are specially designed batch inclusion bags to pack rubber ingredients and chemicals used in the rubber compounding process. The rubber chemicals e.g. carbon black, white carbon black, anti-aging agent, accelerator, sulphur and process oil can be pre-weighed and temporarily stored in these bags. Due to their good compatibility with natural and synthetic rubber, these bags together with the materials inside can be direct put into a mixer, and the bags will melt and fully disperse in the rubber as an effective ingredient.

These bags are helpful to rubber compounding work because they can provide accurate dosing of chemicals, cleaner work environment and higher practice efficiency. Bags with different melting point (from 70 to 110 degree Celsius) are available for different rubber mixing conditions. Size and color can be customized according to the customer’s specific application requirement.