13991915
Descripción
Fichas por Lily Chapman, actualizado hace más de 1 año
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Creado por Lily Chapman
hace más de 6 años
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| Pregunta | Respuesta |
| Plastic properties/advantages | -Can be shaped into a wide variety of products -A wide variety of part geometries -No further shaping required -Less energy intensive that metallic processes |
| What are the two types of plastic (polymer)? | -Thermoplastics -Thermosets |
| Thermoplastic properties | -The chemical structure remains unchanged when heated -Makes up 70% of all plastics -Cann be reused and recycled |
| Thermoset properties | -Undergoes a curing process during heating, which causes a permanent chemical change -Once cured can't be remelted -Can't be recycled |
| Thermoplastic examples | -Polyethene (PE) -Polystyrene (PS) |
| Thermoset examples | -Polyurethanes -Epoxy glue |
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