The process of EPS products

The extruded foam products from a polymer, a nucleating agent and a blowing agent blend, by thoroughly mixed in an extruder, until from the mouth mold before the material has been maintained under pressure. Melt from mouthpiece outflow when it from the high pressure within the die into a low pressure or atmospheric pressure in the outer die lip, the blowing agent from a liquid to a gas pressure. The foam blowing agent is adhered on a nucleating agent in the melt, thus forming a foam structure. The bubble size and number of the holes vary depending on the added amount of nucleating agent, the density depends on the quantity of blowing agent used.

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