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How do liquid additives filter when pipes are extruded?

Apr 21, 2018

In soft PVC molding, plasticizer of different quality and proportion should be added before production. In order to ensure the molding quality of the products, these plasticizers must be filtered and cleared of key impurities from the liquid raw materials, and then proportionally to the formula requirements. The scales are weighed before they can be added to the mixing tank. In the mixing tank, mix it up with compressed air, mix it evenly and heat it up, and maintain the temperature at 70-80 C.

from: www.kalshine.com