Foaming of the resin

The preceding discussion has shown that ene.rgy savings in plastics processing are possible in the area of machine modification, new process machinery, processing operation of the machine itself, and in the area of weight reduction by part redesign and foaming of the resin. 

The second problem which can plague a water based system is one of foaming of the resin. The foaming tendency is considered common to all water based dispersions and is attributed to the... 

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