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What is the silicone overmolding?

Time:2019-08-23 Views:42
Silicone overmolding refers to using silicone material to coat with an object by compression or injection process,the object usually refers to plastic,metal or electronics parts like pcb.

There are two types of silicone overmolding as below,

1.Full silicone overmolding
Full silicone overmolding refers to using silicone material to fully coat with plastic or metal parts by compression or injection process,the plastic or metal parts without exposure after
silicone overmolding.This is the typical process to enhance the strength of silicone structure with plastic or metal parts.For example,the mobile phone holder,because the silicone is too soft to support the mobile phone,so it‘s needs steel sheet to enhance the holder‘s strength.But strictly speaking,most of full silicone overmolding parts is not fully coated with silicone,that is because we need to make location holes on the mould to fix the objects to ensure the it placed with correct position and avoid the deformation during the overmolding process,so the location holes will not be coated with silicone.  

2.Partial silicone overmolding
The same with full silicone overmolding process,the partial silicone overmolding is also belongs to the production process with plastic or metal parts to enhance the strength of silicone structure.This overmolding process is much widely than full silicone overmolding in the industry.