Polyurethane plastics are highly reactive to chemical compounds due to lack of elasticity in these plastics.

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Moulding with Polymers topics include: Injection moulding process, polymers extrusion, blow moulding, thermoforming and processing of thermosetting plastics. Moulding of polymers is the process of shaping polymer materials into desired forms.  Here are some types of molding processes: Injection molding: Compressing polymer granules with a ram or screw Heating them until they melt: Squirting them into a cold, split mold under pressure Cooling below a specific temperature: Opening the mold and ejecting the product Compression molding: A process in which a molding polymer is squeezed into... Show more

Polyurethane plastics are highly reactive to chemical compounds due to lack of elasticity in these plastics.