What Is Injection Moudling?

Custom Injection Moulding Of Thermoplastics

A "THERMOPLASTIC", by definition, means any material that softens when heated and hardens when cooled.  No chemical change takes place when a thermoplastic is heated or cooled.  Therefore, the process of softening and hardening can be repeated within the limits imposed by cumulative heat degradation.  Because of this, thermoplastics are easily recycled.

In "THERMOPLASTIC INJECTION MOULDING", pelletized thermoplastic is fed into a heated cylinder.  The pellets are heated and softened into a uniform hot mass.  The hot mass is then injected, under high pressure, into a closed mould cavity.  Once cooled inside the mould, the mould is opened so that the hardened part can be removed.  The cycle is then repeated.

The term "CUSTOM INJECTION MOULDING" implies that we mould a broad range of parts with unique set-up and manufacturing procedures.  The set-up and manufacturing procedures can be customized in order to conform to each customer's specification.  Usually, due to the customization of the product, a custom mould is owned by the customer and maintained by the moulder.

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