Good Quality NBR O-Ring Nitrile Buna-N 70 Shore Rubber Seal O Ring

• Customization: Available
• Material: NBR
• Application: Machine
• Performance: Wear
• Shape: O-Ring
• Standard: Standard
• OEM: Yes, Customized
• Color: Customized
• Pressure: High Pressure
• Temperature: High Temperature
• Types: Hydraulic Seal
• Other Material: FKM, Silicon, Ffkm, EPDM
• Maximum Continuous Use Temperature Range: +230~316ºC
• Certificate: ISO9001:2015
• Hardness: Shore A69-90
• Standard or Nonstandard: Both
• Other Size: As568 or Customized
• Packing: Plastic Bag +Carton Box
• Effect: Piston Guide Seal
• Transport Package: Exprot Standard
• Specification: NBR, FKM
• Trademark: CRW
• Origin: China
• HS Code: 40169390
• Production Capacity: 50000000

Product Description

  Hebei Zhenpeng has 17 years of professional experience in make O-rings. We also accept customized products, we have a wealth of export experience, high-quality products, and perfect sales services that have won praise from customers at home and abroad.

 O-ring rubber materials and their physical properties
 

Applicable standards		Class
JIS B 2401		NBR-70-1	NBR-90	NBR-70-2	HNBR-70	HNBR-90		SBR-703)	VMQ-70	FKM-70	FKM-90	ACM-70	EPDM-70	-	EPDM-90
JASO F 404		Class 1-A	-	Class 2	-	-		Class 3	Class 4-C	Class 4-D	-	Class 4-E	-	Class 5	-
Rubber materials, Applications Test items		Nitrile rubber (NBR)	Nitrile rubber (NBR)	Nitrile rubber (NBR)	Hydrogenated nitrile rubber (HNBR)	Hydrogenated nitrile rubber (HNBR)		Styrene-buta- diene rubber (SBR)	Silicone rubber (VMQ)	Fluoro rubber (FKM)	Fluoro rubber (FKM)	Acrylic rubber (ACM)	Ethylene- propylene rubber (EPDM)	Ethylene- propylene rubber (EPDM)	Ethylene- propylene rubber (EPDM)
		Mineral oil resistance		Gasoline resistance	Mineral oil and high-temperature application resistance			Animal oil and veg- etable oil resistance	High-temperature application resistance				Animal oil, vegetable oil,  and brake fluid resistance	Coolant   resistance	Animal oil, vegetable oil,  and brake fluid resistance
Normal proper- ties	Hardness by durometer type A1)	A70 ± 5	A90 ± 5	A70 ± 5	A70 ± 5	A90 ± 5		A70 ± 5	A70 ± 5	A70 ± 5	A90 ± 5	A70 ± 5	A70 ± 5	A70 ± 5	A90 ± 5
	Tensile strength (MPa), min.	10.0	14.0	10.0	16.0	16.0		9.8	3.5	10.0	10.0	6.0	10.0	9.8	10.0
	Elongation (%), min.	250	100	200	180	100		150	60	170	80	100	150	150	80
	Tensile stress (MPa), min. (at 100 % elongation)	2.5	-	2.5	2.5	-		2.7	-	2.0	-	-	-	2.7	-
Aging tests	Temperature and duration	120 ˚C, 72h		100 ˚C, 72h	150 ˚C, 72h			100 ˚C, 70h	230 ˚C, 72h		230 ˚C, 72h	150 ˚C, 72h	100 ˚C, 72h	120 ˚C, 70h	100 ˚C, 72h
	Change in hardness, max.	+ 10	+ 10	+ 10	+ 15	+ 15		+ 10	+ 10	+ 5	+ 5	+ 10	+ 10	+ 10	+ 10
	Change in tensile strength (%), max.	- 15	- 25	- 15	- 30	- 30		- 15	- 10	- 10	- 10	- 30	- 15	- 20	- 15
	Change in elongation (%), max.	- 45	- 55	- 40	- 40	- 40		- 45	- 25	- 25	- 25	- 40	- 45	- 40	- 45
Compression set test	Temperature and duration	120 ˚C, 72h		100 ˚C, 72h	150 ˚C, 72h			100 ˚C, 70h	175 ˚C, 72h	200 ˚C, 72h	200 ˚C, 72h	150 ˚C, 72h	100 ˚C, 72h	120 ˚C, 70h	100 ˚C, 72h
	Compression set (%), max.	40	40	25	40	40		25	30	40	40	60	25	40	30
Immersion test	Temperature, duration, and testing oil	120 ˚C, 72h 2) IRM901		23 ˚C, 72h   fuel oil No.12)	150 ˚C, 72h 2) IRM901			100 ˚C, 70h brake fluid2)	175 ˚C, 72h IRM9012)		175 ˚C, 72h IRM9012)	150 ˚C, 72h 2) IRM901	100 ˚C, 72h brake fluid2)	100 ˚C, 70h coolant	100 ˚C, 72h brake fluid2)
	Change in hardness	- 5 ~ + 8	- 5 ~ + 8	- 8 ~ 0	-5 ~ + 10	-5 ~ + 10		- 15 ~ 0	- 10 ~ + 5	- 10 ~ + 5	- 10 ~ + 5	- 7 ~ + 10	- 15 ~ 0	- 5 ~ + 5	- 15 ~ 0
	Change in tensile strength (%), max.	- 15	- 20	- 15	- 20	- 20		- 40	- 20	- 20	- 20	- 30	- 40	- 40	- 40
	Change in elongation (%), max.	- 40	- 40	- 25	- 40	- 40		- 40	- 20	- 20	- 20	- 40	- 40	- 40	- 40
	Change in volume (%)	- 8 ~ + 5	- 8 ~ + 5	- 3 ~ + 5	-10 ~ + 5	-10 ~ + 5		0 ~ + 12	0 ~ + 10	- 5 ~ + 5	- 5 ~ + 5	- 5 ~ + 5	0 ~ + 12	- 5 ~ + 5	0 ~ + 12
	Temperature, duration, and testing oil	120 ˚C, 72h 2) IRM903		23 ˚C, 72h   fuel oil No.22)	150 ˚C, 72h IRM9032)			-	-	175 ˚C, 72h 2) IRM903	175 ˚C, 72h 2) IRM903	150 ˚C, 72h 2) IRM903	-	-	-
	Change in hardness	- 15 ~ 0	- 10 ~ + 5	- 20 ~ 0	- 15 ~ + 5	- 15 ~ + 5				-10 ~ + 5	- 10 ~ + 5	- 20 ~ 0
	Change in tensile strength (%), max.	- 25	- 35	- 45	- 30	- 35				- 20	- 20	- 40
	Change in elongation (%), max.	- 35	- 35	- 45	- 40	- 40				- 20	- 20	- 40
	Change in volume (%)	0 ~ + 20	0 ~ + 20	0 ~ + 30	0 ~ + 30	0 ~ + 25				- 5 ~ + 5	- 5 ~ + 5	0 ~ + 30
Low-temperature brittleness test	Brittleness limit temperature (˚C), max.	- 13	-	- 10	-	-		- 40	- 50	- 15	-	- 1	-	- 40	-
Low-temperature     elastic recovery test	TR10 value (˚C), max.	- 15	- 15	- 10	- 15	- 15		-	- 30	- 10	- 10	- 10	- 30	-	- 25
Corrosion test	Temperature and duration	70 ± 1 ˚C, 24h
	Appearance	The rubber shall not corrode the metal with which it is in contact nor shall the rubber become sticky. However, changes in metal surface color shall not be judged as corrosion.

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Packaging & Shipping

Company Profile

Since its establishment in 2008, Hebei Zhenpeng International Trade Co., Ltd. has accumulated many years of technical experience, and can customize various O-ring varieties and specifications according to the needs of customers. In 2014, we have successfully developed from a factory to a supplier integrating production and trade.
Our company is specialized in producing all kinds of rubber seals, such as O-ring, FKM oil seal, stainless steel PTFE oil seal, rotary seal (hub oil seal, box oil seal), etc., which are mainly used in hydraulic and pneumatic aspects, and widely used in plumbing, hardware, home appliances, medical equipment, machinery, electronics, semiconductor, aerospace and other fields The main materials used in our rubber sealing products are NBR, EPDM, FKM, HNBR, silicon, ACM, ffkm, etc.
Now our company has advanced and perfect production line, which can provide all kinds of rubber seal products with higher cost performance for our cooperative users, and our company always insists on treating customers with high-quality products and professional services, which has won good comments and trust from customers all over the world
 

 

FAQ

 

Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages
before you pay the balance.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.