Also known as soft-touch, or two-shot molding, Elastomeric Overmolding (EOM) is increasingly employed by industrial designers as a means for increasing the appeal of a product, while also adding functional capabilities. EOM is the process of molding an elastomeric polymer resin over a previously molded plastic substrate. It is used extensively with hand-held devices, utensil handles and "pistol grips" to enhance the grip or ergonomic appeal of consumer or electronic products.
Other functional uses for EOM include:
- To enhance a hand-held product's ability to absorb shock if dropped, by adding elastomeric material to its corners.
- To create a molded-in seal or gasket to hermetically seal mating halves, or to seal a battery door.
There are a number of elastomeric materials available in various durometers for the EOM process, including polyurethanes and melt-processable rubbers.
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