Introduction of Plastic
Definition
Plastic is a kind of material which has nice plasticity and can to be cast, pressed, or extruded into a variety of shapes, by controlling the temperature, it can be soften after heated, and become solid when the temperature cool down.
Feature
1. With lower cost compared with metal
2. Light-weight
3. Rustless
4. Can be easily molded into complex shape
Application
Baby Product | Packaging | Construction | Energy |
Electronic | Medical | Pet Collar | Automobile |
Agriculture | Sport & Leisure | Military & Safety | Bag & Luggage |
Categories of Plastic
Plastic can be classified by "the permanence or impermanence of their form" into two main categories: 1. Thermoplastic 2. Thermosetting Plastic
Category | Polymerization | Feature | Usage |
Thermoplastic | Linear | Can be shapable by heated repeatly, it will be soften when exposed to heat. | plastic bottle, plastic wrap, coating, adhesive, artificial fiber , etc. |
Thermosetting Plastic | Crosslink | Can not be reshaped once it has been shaped and solidified once. | outer casing, parts, inner structure of electronic products |
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