Xiamen Better Silicone Rubber Co.,Ltd
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Silicone Rubber Bellows

Silicone Bellows applies to the pipe of drinking water system, the heat insulation and insulation of electricity, the inside join of refrigeration equipment and gas apparatus. Silicone Bellows adopt high quality material,can be processed tube, it be produced according of the standard of medical treatment.

Silicone Bellows 

Silicone Bellow, known as silicone expansion joints, convoluted silicon boots, which made from elastic medical & food grade silicone as a protective appliance to dust proof, anti-oil, water proof and other environment elements in aim to keep equipment performance in medical device, automotive, pumping, industrial usage etc.

rubber bellow Bellows Expansion joints also can made from NRB, EPDM, Neoprenne, FKM rubber etc

Material Abbreviation Temperature Range(dry heat) Aging Weathering Ozone Resistance to Oil & Grease Water Swell Resistance  Flex-Fatigue Economy of Material Material Notes
Chloroprene (Neoprene) Bellows CR Bellows -40F to 250F Good Good Average Very Good Good exposure to refrigerants,can be compounded for FDA applications
Nitrile Bellows NBR Bellows -22F to 212F Poor Very Good Good Good Very Good excellent resistance to petroleum based oils and hydrocarbon fuels
Ethylence-Propylene Bellows EPDM Bellows -60F to 300F Very Good Poor Very Good Good Very Good
Silicone Bellows VMQ Bellows -75F to 450F Very Good Average Very Good Very Good Average medical and aerospace applications
Fluororubber Bellows FKM Bellows 5F   to 390F Very Good Very Good Good Average Poor
Silicone Bellows also can work as silicone rubber suction cup.

Metal Silicone Overmolding Bellows

silicone rubber bellow
We can offer you various kinds of rubber dust covers which are used as fittings for automobile&motorcycles.
The choice of the material depends on the using purpose and the working environments, but not the price. Our factory can provide the products made from different materials for the diversified requirements.
Accordion rubber bellows is a kind of sealing products which is usually made of springing material and through the molding way to make it in the ring ship. It is generally used to seal the fluid liquid or gas, often works as a part of the whole set of sealing parts. O-Ring is good at both in static seal and dynamic seal, main material contains: NR, CR, NBR, SBR, VITON, SILICON, HNBR, etc.
Rubber expansion joints provide a wide range of rubber support with a reinforcement that depends on the pressure required. These types of expansion joints isolate noise and vibration. When it comes to damage caused by vibration and movement, each rubber expansion joint protects piping systems by avoiding such hazards.



(1)Temperature range:-40 oC - 230oC
(2) It has been specially  processed, no poison and no smell, flaming resistance, good heatproof,aging resistance, it can bear 200 oC high temperature, high voltage and cook for many times.
(3) It is slick surface, soft and flexible
(4) It is harmless to health, softness, non-toxic,water-fast, odorless, durable
(5) Density range from 1.13 to 1.19,fast rebound,low thermal conductivity
(6) Vulcanization within  48 hours
(7) Could  print your logo on it with marks,and other requirement
(8) Could  supply you free sample that will be according to your requirement, such as  size, thickness, color,and hardness


LSR & Liquid Silicone Bellows Manufacturing Process

silicone expansion joints Usage: 

All kinds of cars, machinery, home appliance, electronic products, electric appliance, stationery, computers, power switches, miniature switches, architecture, commodity and A/V equipment, hardware and plastic molds, sports equipment and gifts, and more

Product Scope: Automobile, furniture, machinery, electronic, household, medical, etc
Provide Service: Rubber /silicone injection molding,  Rubber compression molding,  Custom rubber molding. plastic molding
File Format: Solid-works,Pro/Engineer,Auto CAD,PDF,JPG,IGS ,STP

100% Silicone Raw Material
Semi-transparent or customized
Shore Durometer A
Diameter Size Rank 
 0.3mm-80mm or customers' drawing
Tolerance of size
Temperature Resistance
 -40°C---200°C (normal) 
 -60°C---280°C (special)
Appearance of the Tube
Wall Thickness of the tube is even ,smooth surface,no cracks,
no air bubble,no impurity, odorless and non-toxic.
The charge of the sample fee
need discussion. if the sample is available, 
It will be sent to you free
Processing method
platinum-cured extrusion or peroxide-cured extrusion 
Delivery time
within 7-14days
For transfer of Sterile Liquids in 
1 Injection & Vial Filling Machine. 
2 Peristaltic Pump.
For transfer of oral liquids like Syrups, Tonics etc.
For transfer of Ointments, Creams etc.
For use in Food & Beverages, Pharmaceutical, Medical, 
Surgical& Electrical Industries as a corona discharge.



Office Address: Room No. 513-515, 5F, Culture Creative Park,No.10 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
Contact Us
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