Custom Made OEM EPDM Rubber Bellows Expansion Joint for Pipe

20000-39999 Pieces
>=40000 Pieces
Min. Order
20000 Pieces
Company Information

Xiamen Better Silicone Rubber Co., Ltd.

CN Manufacturer
Response Time
Response Rate:
US$ 80,000+
2 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

Port: Xaimen
Payment Terms: T/T,Paypal
Supply Ability: 10000 Piece/Pieces per Day
Place of Origin: Fujian China
Brand Name: Better Silicone
Model Number: RB-01
Product name: Rubber Expansion Bellows
Material: Silicone or Rubber
Color: Pantone/ Ral Colors
Application: Machinery
Drawing Format: IGS
Durometer: 30-90 Shore A
Working Temperature: -40&deg;C~230&deg;C
Design Type: Tapered, Straight, Metal Rubber Overmolding etc.
Function: Anti-Dust &amp; Water &amp; Oil &amp; Grease &amp; Acids etc
Surface Finish Process: EDM, Matt Smooth
Packaging Detail: Cartons

Custom Molded Silicone EPDM FKM Neoprene Rubber Dust Boots Bellows

Product Description


Rubber Bellows are used as a cover or expansion joint to protect device or machines, which are made by rubber compression molding, rubber injection mold or extrusion tool.
Rubber Bellows are designed as a cover mainly protect against dust, water, oil, grease, acids, bleaches, spatter or other environment elements.

Small Rubber Bellow.jpg


bellow expansion joint.jpg

medical grade bellows.jpg

Rubber Bellows Main Structions and Shapes

Straight Convolution Rubber Bellows

Spiral Convolution Rubber Bellows

Concentric Rubber Bellows

Tapered Rubber Bellows

Metal+Rubber Overmold Bellows 

Rubber Bellows with Clamping, Hole & Lock 

Square Bellows

Expansion Joint Bellow.jpgNeoprene Bellows.jpgDust Boots Bellows.jpg


Rubber Bellows Materials

Material AbbreviationTemperature Range
(dry heat)
Aging Weathering 
Oil& Grease 
Water Swell ResistanceFlex-FatigueEconomy of
Material Notes
NeopreneCR-40F to 250FGoodGoodAverageVery GoodGoodexposure to refrigerants,
can be compounded for FDA applications
NitrileNBR-22F to 212FPoorVery GoodGoodGoodVery GoodAutomotive Applications,
Good Oil Proof
Ethylence-PropyleneEPDM, EPM-60F to 300FVery GoodPoorVery GoodGoodVery GoodOutside Applications,
Good Weather Proof
SiliconeVMQ-75F to 450FVery GoodAverageVery GoodVery GoodAverageMedical Applications
FluorocarbonFKM5F to 390FVery GoodVery GoodGoodAveragePoorRubber King,
Widely Applications



Rubber Bellows Design Guide

EPDM Bellows.jpg

Quality Control

A. Wall thickness tolerance: less than 0.05mm

B. Mini or less bellow 

C. Mold maintenance aiming to up and down mold plate with horizontal stripe in exact position

D. Good ejected molding to improving rubber bellows production efficiency

Custom Made Bellows.jpg

rubber bellow dust boots.jpg


Company Information

Xiamen Beter Silicone Rubber Co., Ltd specializes in making rubber compression mould, plastic injeection mould, LSR injection mould, and manufacturing different kinds of rubber, plastic components according to customers' drawings, samples or ideas. We have accumulated more than ten-year experience in rubber industry and have our own factories, which enables us to provide customers with products technology support and  offer a more competitive price and better after service. 


 Factory Show

Custom Rubber Parts Manufacturer.jpg