STYRENE PLASTICS
Styrene plastics (PS, ABS ...)
Styrenics describes a group of thermoplastics based on polystyrene. Polystyrene (PS) is an amorphous, transparent thermoplastic that is mainly used in injection molding for the production of consumer goods and packaging. PS has only low mechanical properties. It has high stiffness and hardness associated with corresponding brittleness and susceptibility to breakage.
The temperature resistance is relatively low with a maximum continuous service temperature of 60° to 80°C. Wear resistance and general chemical resistance are just as poor. However, the low chemical resistance gives the PS excellent bondability, which makes the material interesting for industrial model making. This also means that the material can be well galvanized and thermally deformed.
Main features
- good adhesiveness
- good thermal formability
- heat deflection temperature approx. 80°C
Styrene co-polymers and blends, e.g. acrylonitrile-butadiene-styrene (ABS), styrene-butadiene (SB) or styrene- acrylonitrile (SAN) are also very important in injection molding. The mechanical properties of these styrene polymers are in some cases better than those described above, but have hardly any use in the field of engineering plastic components.
As semi-finished products for machining the following materials are available (minimum order quantity and unreinforced types on request):
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