Gold Member Since 2015
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Xiamen Better Silicone Import and Export Co., Ltd.

Expansion Joint Pipe, Rubber Expansion Pipe, Rubber Expansion Joint Bellows manufacturer / supplier in China, offering Custom Molded Wearproof Round Rubber Expansion Joint Pipe, LSR Injection Mold Tooling for Smart Watch Bands, Custom Logo Printed Silicon Rubber Coin Bag and so on.

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Supplier Homepage Product Rubber Bellows Custom Molded Wearproof Round Rubber Expansion Joint Pipe

Custom Molded Wearproof Round Rubber Expansion Joint Pipe

FOB Price: US $0.03 / Piece
Min. Order: 1,000 Pieces
Min. Order FOB Price
1,000 Pieces US $0.03/ Piece
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Port: Xiamen, China
Production Capacity: 100, 0000/Month
Payment Terms: T/T, Paypal

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Basic Info
  • Model NO.: RB-13
  • Capability: Acid Alkali Resistant Rubber Hose
  • Materials: Rubber, Silicone, EPDM, Nitrile, FKM, Neoprene
  • Hardness: 30-90 Shore a
  • Applications: Machinery, Automobile, Medical Device etc.
  • Design Type: Tapered, Straight, Metal Rubber Overmolding etc.
  • OEM&ODM: Yes
  • Trademark: Better
  • Specification: SGS, ROHS, FDA etc.
  • HS Code: 39241000
  • Material: Natural Rubber
  • Color: Black
  • Forming: Rubber Compression&Injection Molded
  • Function: Anti-Dust & Water & Oil & Grease & Acids etc
  • Working Temperature: -40c~230c
  • Surface Finish Process: EDM, Matt Smooth
  • Typical Applications: Expansion Joint, Covers, Sealing etc.
  • Transport Package: PP Bags, Carton Boxes
  • Origin: Xiamen, China
Product Description
Wearproof  Round Rubber Expansion Joint Pipe
Rubber Expansion Joint Pipe 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 Expansion Joint Pipes are designed as a cover mainly protect against dust, water, oil, grease, acids, bleaches, spatter or other environment elements.

Rubber Expansion Joint Pipe-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

Rubber Expansion Joint Pipe-Materials Ddoption
RUBBER COUMPOUNDS TYPES AND REFERENCES
  Material AbbreviationTemperature Range
(dry heat)
Aging Weathering 
Ozone
Oil& Grease 
Resistance
Water Swell ResistanceFlex-FatigueEconomy of
Material
Material Notes                         
 
(Neoprene)
CR-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 Good GoodVery GoodOutside Applications,
Good Weather Proof
SiliconeVMQ-75F to 450FVery GoodAverageVery GoodVery GoodAverageMedical Applications
FluorocarbonFKM5F to 390FVery GoodVery GoodGoodAveragePoorRubber King,
Widely Applications

Rubber Expansion Joint Pipe-Design Guide (5 factors considered)
Direction of Travel Requiredstraight-line motion 
articulating motion
Length of Travel Requiredsmall delta between peak and valley of convolutes
large delta between peak and valley of convolutes
Interface between Rubber Bellows Ends and Mating Components An extended straight section with a hose clamp 
A locking grommet securing the bellows into a panel or sheet metal
An integrated flange with mounting holes
Completely enclosed bellows ends for protecting parts going up and down
Outside ConstraintsTapered rubber bellows for tapered mechanisms
Straight rubber bellows (cylindrical rubber bellows) for components with external space constraints.
Other bellows with different convolutions   
Working EnvironmentImportant for materials adoption

Rubber Expansion Joint Pipe-Some Typical Applications:
Expansion joints
Rod & Ball screw covers
Piping penetration seals
Fan duct connections
Compressor and engine intake and exhaust manifold connections

Custom Rubber Expansion Joint Pipe Requirements:
1. Offer 2D, 3D design drawings or samples, and also tell us your sizes telorance demands.
2. Bellows Materials Demands: Rubber, Silicone, EPDM, Nitrile, etc, or tell us operating environments, functions etc.
3. Durometer Demands (Hardness Shore A): 
4.. Silicone Bellows Surface Demand
5. Working Environmment Demands
6.Silicon Bellows Flashing Demands etc.
(Note: Different Silicone Rubber Bellows durometer demands, surface demands, parting lines demands or rubber flashing demands have different production difficulty and production cost. Epecially for mold-making technology demands, compression mold steel choice, mold maintain when mass production etc.)
 
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