Xiamen Better Silicone Rubber Co., Ltd
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Our Company

We make liquid injection molding and manufacture different kinds of liquid silicone rubber molded parts for medical device, sanitary & bathroom products, electrical products, cosmetics, automotive and machines parts etc. Our team also can offer LSR products parts moldabilities & over-molded manufacturabilities analysis or design support etc.

Get in Touch

E-mail : admin@lsr-molding.com
Skype : admin@better-silicone.com
Add: 7F7B09,Harmony Square,No.2 Huli Avenue,Huli District Xiamen,China

LSR Overmolding


Why choose liquid silicone rubber overmolded with plastic and metal?

  • LSR is more precise, have good parting line,and with less silicone rubber flashing

  • Liquid silicone is high efficicency, can save labor cost and achieve auto and semi-auto production.

  • Liquid silicone rubber is safer, can up to fully FDA grade.

Liquid silicone widely used in different ares:

LSR watchband


liquid silicone pad

Daily life

LSR-plastic overmolding


LSR machanical gasketing


Special demands of plastic and metal for LSR overmolded:

Liquid silicone rubber can be used to overmol plastics, metal, electrical connections, electronics and heaters, and it has good adhesion, electrical insulation and moisture resistant.

plastic: need have good heat resistance to make sure the plastic won't be melted.

How to achieve the bonding of silicone:

  • mechanical bonding with under cuts.

  • use of primes on part to be over-molded.

  • use self-bonding silicone

Usually we will choose vertical liquid silicone rubber injection molding, because LSR injection moulding is easy to place the plastic and metal parts on.

Vertical liquid silica gel molding machine

  1. Liquid  Injection Mold-making (Liquid Silicone Rubber Molding)
  2. Liquid Silicone Rubber Products & Parts Mass Production
  3. Moldability & Manufacturability Analysis and Designs Support 
Tel: 86-592-5616001(Ext.809)


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