Hardness

(Shore A)

NBR(Buna, Nitrile)

FKM(FPM)

EPDM 

Silicone(VMQ)

HNBR 

FFKM(FFKM, Kalrez)

60~90 

70~90 

60~90 

40~70 

60~90 

70~90 

-40℃-110℃

-20℃-220℃

-45℃-150℃

-55℃-204℃

-48℃-180℃

-18℃-326℃

AS-568(USA) o ring nbr

JIS-B2401(Japan)

DIN-3771(Germany)

BS-1516(UK)

ISO3601(International)

R(France)

ID≤2000mm

CS≤40mm

Hydraulic Fluid

Engine Oil

Chemical

Ozone & UV

Steam & Hot Water

Low Temperature

High Temperature

Black

Brown

Red

Green

White

Blue

Clear

Customized

ISO9001

1SO14001

TS16949

RoHS

REACH

Auto Industry

Construction Machinery

Machine Tool Equipment

Food Health

Water Treatment

Chemical Processing

Hydraulic Pneumatic

Industrial Manufacturing

Q 1. What's the payment term?

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

A: We accept T/T 30% deposit and 70% balance against copy of B/L or L/C at sight, West Union,VISA,Paypal is also accepted.

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

Q 2. What is the normal lead time for product orders?

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

A: Generally it is 1-2 days if the goods are in stock. or it is 5-10 days if the goods are not in stock, it is according to quantity.

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

Q 3. What is your standard packing?

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

A: All the goods will be packed by carton box and loaded with pallets. Special packing method can be accepted when needed.

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

Q 4. Could you please tell us the month capacity of your products ?

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

A: It depends on which model, we produce more than 2500 tons rubber materials per month.

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

Q 5. what kind of certificates you have ?

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

A1: We have been ISO9001:2008 and ISO14001:2004 certified by since 2015.

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

A2: We have various rubber compounds approved by NSF, ROHS and REACH.

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

Q6: How to check the quality of the bulk order?

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

A1: We provide preproduction samples before mass production for all customers if needed.

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

A2: We accept third party inspection such as TUV, INTERTEK, BV, etc.

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

Q 7: Do you use any international standards for the rubber products?

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

A: Yes, we mainly use ASTM D2000 standard to define the quality of the rubber materials, tolerances as per ISO3302, ISO2768, etc.

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

Q8: What materials are available to produce from your side?

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

A: NBR, EPDM, SILICONE, FPM(FKM), NEOPRENE(CR), NR, IIR, SBR, ACM, AEM, Fluorosilicone(FVMQ), FFKM, Liquid Silicone, Sponge, etc.

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

Q9: Does NUOANKE Rubber provide maintenance on tooling?

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

A: Maihua Rubber maintains all tooling and will replace as needed.

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

Q10: How many empolyees you have? 

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

A:We have 165 empolyees at time of December 2016.

nbr o ring rubber o-ring o ring nbr 70 nitrile o ring buna-n o ring nbr o-ring rubber o-ring black o ring nbr oring 

If you have any other question, please contact us as below: