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Two step

Ningbo Wanma Plastics Co.,Ltd | Updated: Mar 14, 2016

Two-step rotational foaming molding technology is based on batch of rotational foaming molding developed. Most of the two-step process within the rotational mold place a pre mounted foam resin powder into boxes. When non-foamed resin mold powder covered begin to melt and die within the walls, open input box releases starting foam resin powder, can be formed in the dense non-foaming layer foam core. Operators can also use high melting point of thermoplastic plastics into the bag, put into bags of pre-mount foam resin powder, when the die temperature reaches melting temperature of thermoplastic plastic bag into bag melting and ruptured, releasing a resin powder.

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