What plastic is used for medical devices?3 图片:1图片:14 The answer is thermoplastics, but this includes numerous plastics.5 Thermoset plastics used for medical-device manufacturing do exist but have limited use.6 The biggest difference between thermoplastics and thermosets is what happens when heat is applied.7 Thermosets become stronger while thermoplastics liquefy.8 Thermoplastics can be reheated and remoulded multiple times without irreversible degradation.9 The changes are physical, not chemical.10 When heated, thermoplastics melt, and the material becomes mouldable before solidifying into the finished product when cooled.11 Pros12 Cons13 Thermoplastic14 - Extremely adhesive to metal15 - Recyclable – can be remoulded and shaped16 - Outstanding impact resistance17 - Excellent corrosion resistance18 - Electrical insulation19 - Flexible20 - Detergent and chemical resistance21 - Aesthetic finishes22 - May soften when reheated23 - Can be more expensive than thermoset