Difference of NBR o ring and Viton o ring:
NBR O RING
Temperature: Normal: -40 to 100C
Low temperature: -55 to 100C
High temperature: -30 to 100C (Air)
and -30 to 100C (oil)
Hardness: ShoreA 30-90
The excellent performance of NBR o ring:
various hardness for your choice.
Good abrasion,heat and oil resistance.
Good anti-aging performance and gas tightness..
Ease of bonding to other material.
Excellent oxygen and ozone resistance.
Good chemical resistance to mineral oils and greases, hydraulic oils H, HL, HLP, non-inflammable hydraulic pressure fluids HFA, HFB, HFC to approx. +50°C and water to max. +80°C
Viton O RING has excellent performance as below:
Good chemical resistance to mineral oils and greases, synthetic oils and greases, engine, transmission and ATF oils to approx. +150째C, fuels, non-flammable hydraulic pressure fluids HFD, aliphatic, aromatic and chlorinated hydrocarbons, water to max. +80째C, excellent resistance to weathering, ozone and ageing, very low gas permeability (and therefore excellent for vacuum application) and resistance to a wide range of chemicals.
The important reference of choosing is the features you need.
Yiho polytek is a rubber part manufacturer with own factory.Our company is mainly specialize in producing different types of rubber o rings and OEM rubber parts. The materials are available in all rubber material.Besides,we have O ring moulds in stock.And open new moulds as customers' drawings is OK.
Our products can meet FDA and ROHS requirements and have a big market around the world.Especially in America ,European countries ,South America ,which have a good reputation from our clients
1. How can I get samples?
Free samples are available, you need to take care only of shipment cost.
Tooling costs are charged if the products you need are customized (made according to your drawing/physical sample).
2. How much the courier freight will be charged for the samples?
Courier freight depends on the quantity, weight, carton size and your area. Our courier agents of TNT, DHL, UPS will save you nearly 30% total of courier charges because of our long-term agreement. However, you also can use your courier company to collect the samples.
3. Can I make customized products?
Yes, we can make customized rubber products according to your drawings or samples.
4. How to get a quotation fast?
With detail information such as material, hardness, color, size, annual quantity or photos
we will make a quotation for you within 12 hours. Drawings are preferable.
5. After placing a sample order, what is delivery time?
Within 1 day for stock products and within 7-15 days for bespoke products.
Having been engaged in manufacturing various quality rubber products since 1994, Yiho Polytek is now well-known as one of the leading manufacturers of nbr seal vs viton in China. If you are going to buy durable and flexible nbr seal vs viton, please feel free to contact our factory, which can also offer you customized service.