Injection Moulding of ABS


Injection moulding is considered as the best process to  manufacturer plastic products for large series or mass manufacturing. This is a very fast and efficient process and is used to manufacture  a large amount of identical objects ranging from plastic car bumpers to precision and sterile medical components.

The best advantage when using ABS as an injection moulding material is that the products made from these materials are strong and rigid. This is because of the combination of the acrylonitrile and styrene polymers. The added toughness of the final products is because of the polybutadiene rubber. It produces products which are impact resistant and tough so gives the products a longer life span.

 However, the final properties of the products will depend on the conditions to which the ABS was processed.

Most of the thermoplastic materials now available can be used in the injection moulding. One of the most commonly used materials is the Acrylonititle-Butadiene-Styrene or ABS. The following are features of the ABS:

         Processes well

         Has a high gloss finish

         Can offer stability in the final product dimensions

         Flame retardant

         High resistance to heat

         Resistant to high impact

There are other features which make the ABS a favourite material to be used in injection moulding, however, for all of its advantages, there are also some disadvantages which have to be mentioned:

         The finished product does not have a high weather resistance

         It has moderate resistance to heat, moisture and harsh chemicals

         ABS is an expensive material

         When it does burn, it can generate a lot of smoke

The injection moulding of ABS is favoured in the use of the following applications:

         Automotive parts

         Electrical parts

         Electronic parts injection molding supplier

         Business equipments

         Computer components

         Medical components

         Interior parts of cars

         Parts which have to be thin-walled

         Appliance parts

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