Xiamen Better Silicone Rubber Co.,Ltd
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Silicone Membrane

Views:19     Author:Site Editor     Publish Time: 2020-07-11      Origin:Site

Silicone Membrane Seals & Valve

Silicone Membrane & Silicone Diaphragm, also known as Rubber Diaphragm, Silicone Membrane Valve,  membrane Seals & Sheet, Pump Gasket, is a flexible Elastomer Rubber Membrane with low permeability to fluids and gas, permitting relatively  motion and separation of two media between chambers by relying on different pressures. Silicone Membrane is usually used on low pressure flow control application. 

Silicone Membrane

Silicone Membrane Materials:

Silicone Membrane & Rubber Diaphragm, which is mainly made from elastomer material or reinforced synthetic rubber like Nitrile Rubber & Buna N (NBR), EPDM, Neoprene, Silicone, FKM & fluororubber, some overmolded with plastic or metal. Silicone Membrane is molded by rubber compression molding, rubber transfer mold, rubber injection molding or liquid silicone injection molding according to diaghragm structure designs, sizes & designs telorance demands, materials requirements etc.

Silicone Diaphragm

Silicone Membrane Valve

Silicone Membrane only consist of elastomer and some are possibly reinforced with  in-mold bonding of metal or plastic substrates depending on the intended use. The former, we commonly choose Silicone Rubber Compression Molding. The later, we tend to choose transfer injection molding, which is preferable for in-mold bonding metals or plastics. Of course, both of them can choose LSR injection molding, but it’s the most expensive one. 

 Silicone Membrane molded by Transfer Injection Molding

 Silicone Membrane Seals

 Silicone Membrane Sheet By Compression Molding

Rubber Silicone Membrane Seals

Liquid Silicone Membrane Seals & Sheets Molded by LSR Injection Mold

Silicone Membrane Gasket


Custom Silicone Rubber Membrane Manufacturing Vedio

Silicone Rubber Diaphragm has a wide range of application, such as Pressure Gauge, pressure transmitter, sanitary (toilet diaphragm seal), non implantable medical devices (like diaphragm valve in ventilator), Pumps (like Breast pump diaphragm) etc, which require rubber diaphragms can be made in a wide variety of materials depending on the medium to be sealed. Common materials include Nitrile, HNBR, EPDM, Fluorocarbon, Flurosilicone Rubber (FVMQ), Neoprene and Silicone.

Rubber Membrane Material 

Xiamen Better Silicone Rubber Co., LTD has a rich experience & expertise in manufacturing SIlicone Rubber Diaphragm, who can provide you all technical supports from developing & design (manufacturability and moldability) to prototype & production.

1. Developing & design stage, you can kindly share more ideas about your diaphragm seals, such as assembly method, function, operation environment. Send us the drawing or 3D model if you have, so that we have more understanding on your diaphragm seals and provide you more useful suggestion.

2. Membrane material or Diaphragm working condition, we will suggest suitable material and hardness (Shore A) based on your requirement and diaphragm configuration. For example, with undercut for design, high tensile strength property and lower hardness is required.

3. Different Mold Steel will be chosen, most compression mold we tend to choose 45# steel or 50# steel. For some complicated structure or strict tolerance, we will choose P20 Steel, 718H, S136. Rubber compression mold’s tolerance can be up to +/-0.05mm, some even up to +/-0.02mm or +/-0.03mm.

4. We will minimize the parting line for rubber diaphragm and make smooth edge with no burrs & flashing. 

diaphragm seal pressure gaugeNitrile Rubber Membrane SealsSilicone membrane gasket


Contacts

Office Address: 7F7B09, Harmony Square, No.2 Huli Avenue, Huli District, Xiamen , China.
  Factory Address: 165th, Tong'An Park, Industrial Zone, Tong'An District, Xiamen City, China
 Post Code: 361000
Tel: 86 592-5616001
E-mail: 
info@better-silicone.com

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