There are many
kinds of plastic materials are widely used in injection molding. PE, PP, PVC,
PS are general plastics, which can be seen in almost every injection molding
factory. While in this article, we will discuss several engineering plastics
which are also common in injection molding but have their own special
properties.
Polyamide (PA),
also well know as Nylon. It is one of the engineering plastic used in injection
molding with difference properties, outstanding wearing-resistance, electric properties, toughness and chemical resistance, ranges in color from milky-white to almost transparent, many metal materials
are frequently replaced by PA due to its excellent properties. PA with
lightweight is commonly used in the field of automotive and electronic.
When it comes to Polycarbonat
(PC), what products do you think of? I will say baby bottle and some food
storage, because these products require material with stable, heat resistance,
PC can meet these requirements well. However, in applications where require
clear or colored plastic with high glossy and scratch resistance, it becomes
more common, in the industry of office devices, auto parts, PC occupied a large
proportion.
Polyoymethylene (POM) is another engineering plastic with higher heat resistance, lower friction and keep its shape better. The hardness of POM is similar to metal, and good fatigue resistance in a wide temperature range, which make it widely used in automobile, electronic appliances and sport equipment.
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