HIGH IMPACT PLASTIC SHEETS (HIPS)
Pure polystyrene is brittle, but hard enough that a fairly high-performance product can be made by giving it some of the properties of a stretchier material, such as polybutadiene rubber.
Polystyrene is a versatile plastic that can be rigid or foamed. It is a low cost member of the plastics family. It also generally recognized as the best styrenic material.
Polybutadiene is added during polymerization it can become chemically bonded to the polystyrene, forming a graft copolymer which helps to incorporate normal polybutadiene into the final mix, resulting in high-impact polystyrene or HIPS, often called "high-impact plastic" in advertisements.
Common applications include use in toys and product casings. HIPS is usually injection molded in production. Autoclaving polystyrene can compress and harden the material.
|  Main Characteristics
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Good rigidity
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High impact strength
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Dimensional stability
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Excellent processability
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Typical Applications
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