The technique of double injection is widely used in many areas. For example, the telephone buttons use plastic of original color and PMP plastic for double injection in order to be pervious to light and to prevent finish from flaking off.
And in the case of the double injection in i-Pod, technician uses this technique to make the bright surface of plastic to be more delicate. There are problems of uneven surface and peeling finish in the present Polyester resins. Consequently, some manufacturer uses this method to do the plastic injection.
Do you want to have a sustainable as well as outstanding case for your i-Pod? Then you should search for merchandises using this kind of technique!
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