In modern vehicles, whether it is exterior decorative parts (such as bumpers, fenders, wheel covers, deflectors, etc.), interior decorative parts (such as instrument panels, door inner panels, sub-dashboards, glove compartment covers, seats) Chairs, rear guards, etc.), or functional and structural parts (fuel tank, radiator water chamber, air filter cover, fan blades, etc.), the shadow of plastic parts can be seen everywhere.
With the development of lightweight vehicles and the expansion of automotive plastics technology, the use of automotive plastics will continue to increase in the future.
There are two types of plastics for automobiles:
One is a thermosetting plastic that can withstand ordinary baking operations;
The other is a thermoplastic, which has the advantage of being easy and fast to process.
Among the plastics for vehicles, the top 7 plastic materials and their proportions are roughly:
21% | polypropylene |
19.6% | polyurethane |
12.2% | polyvinyl chloride |
10.4% | thermoset composites |
8 % | ABS |
7.8% | nylon |
6% | polyethylene |