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NBR Rubber Bellows

NBR Rubber Bellow, also call Nitrile & Buna n Bellows, which mainly used as a protective cover expansion joints & boots to maintain inner equipment preformance, especially, oil-proof performance.

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Model:
BT-RB

Product Description

NBR Rubber Bellows

NBR Rubber Bellow, also call Nitrile & Buna n Bellows, which mainly used as a protective cover expansion joints & boots to maintain inner equipment preformance, especially, oil-proof performance. Elastomer NBR Bellows mainly made by silicone rubber compression molding, extrusion moulding or rubber injection moulding.

NBR Rubber Bellows Advantage:
1. Excellent Oil-proof: Excellent oil resistance after polysulfide rubber, acrylate and FKM

2. High tensile strength and wear resistance.
3. Good Heat Resistance: Working Temperature -35^oC-110^oC. (Short-period working: 120^oC)
4. Good air tightness
5. Strong Adhesion

NBR Rubber Bellows Disadvantage:

1. Poor ozone resistance, against storage

2. Poor electrical property

3. No resistance to aromatic solvents, halogenated hydrocarbon solvents and ketones & esters solvents

4. Low elasticity

NBR Rubber Bellows Main Struction and Shape

Straight Convolution Nitrile Rubber Bellows
nitrile nbr bellows

Tapered Rubber Bellows
Metal NBR Bellows

Metal + Rubber Overmolded Bellows
buna n rubber bellows

Rubber Bellows with Clamping, Holes & Locks

Rubber Bellows Main Materials

Material	Abbreviation	Temperature Range	Aging Weathering Ozone	Resistance to Oil & Grease	Water Swell Resistance	Flex-Fatigue	Economy of Material	Material Notes
Chloroprene(Neoprene)	CR	-40F to 250F	Good	Good	Average	Very Good	Good	exposure to refrigerants,can be compounded for FDA applications
Nitrile	NBR	-22F to 212F	Poor	Very Good	Good	Good	Very Good	Automotive Applications, Good Oil Proof
Ethylence-Propylene	EPDM,EPM	-60F to 300F	Very Good	Poor	Very Good	Good	Very Good	Outside Applications, Good Weather Proof
Silicone	VMQ	-75F to 450F	Very Good	Average	Very Good	Very Good	Average	Medical Applications
Fluo Rubber	FKM	5F to 390F	Very Good	Very Good	Good	Average	Poor	Rubber King, Widely Applications

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NBR Rubber Bellows

NBR Rubber Bellows

NBR Rubber Bellows

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