English 
English  |
Product Advantage
1. NBR rubber gasket are made of new high-quality nitrile rubber and produced through compression molding process. The cross-section is usually circular, but can also be designed into any shape according to requirements. It has high precision, with a minimum size error of only 0.05mm. The surface is smooth, flat, without any burrs, cracks, or debris.
2. NBR rubber gasket has excellent wear resistance. It is the cheapest static fixed seal and buffer seal. It has high friction, good sealing, long service life and good resilience, its minimum tensile strength is up to 20Mpa.
3. NBR rubber gasket has excellent oil resistance. Its core performance depends on the acrylonitrile content, and the higher the content, the better the oil resistance and wear resistance. It has good resistance to petrochemical oil and hydrocarbon fuel oil. Commonly used in hydraulic seal, fuel seal, and static seal to prevent oil leakage.
4. NBR rubber gasket is the cheapest gasket, besides being used as a rubber seal, it can also be used for buffering between machinery. Oil resistant and wear-resistant NBR rubber gasket is often paired with oil seals and appear in OEM automotive parts.
Item | Unit | NBR Gasket | |
Normal Condition | Color | / | Black,Green |
Hardness | Shore A | 40—90 | |
Tensile Strength | MPa | 10.6—21.3 | |
Elongation | % | 150—672 | |
Compression Set (100℃/22h) | % | 8—35 | |
Hot Air Aging (100℃/70h) | Hardness Change | Shore A | 2—6 |
Tensile Strength Change | % | -5—21 | |
Elongation Change | % | -9—-32 | |
Oil Resistance Test (IRM901#) (100℃/70h) | Hardness Change | Shore A | 1—8 |
Tensile Strength Change | % | -2—26 | |
Elongation Change | % | -8—-35 | |
Volume Change | % | -1—-4 | |
Oil Resistance Test (IRM903#) (100℃/70h) | Hardness Change | Shore A | -1—-8 |
Tensile Strength Change | % | -2—22 | |
Elongation Change | % | -10—23 | |
Volume Change | % | 0—12 | |
Low Temperature Resistance Test | Brittle Temperature | ℃ | -35—-50 |
Nitrile Rubber (NBR)
Temperature Range: -30 °C to 125 °C
Advantage: Excellent oil and water
Disadvantage: Substandard cold resistance
Use: Oil & Water resistance situation
Here are specific application scenarios for Silicone rubber gasket:
1. Electric vehicle seal: Electric vehicles do not have a fuel system, the silicone rubber gaskets can be used for the electronic system of electric vehicles to provide insulation and shock absorption protection for vehicle sensors, control units, etc. Or used for the battery pack and charging interface to ensure the safety of high-voltage and thermal management systems.
2. Food: The food industry is the most widely used field for silicone rubber gaskets, and all food containers that can be sealed require silicone rubber seal. It can also be used in food processing equipment such as juicers, coffee makers, meat grinders, ice cream makers, etc.
3. Electronic: As a thermal pad filled between the CPU, GPU and other heating chips and the heat sink. It is used as an insulation gasket for high-voltage components such as television high-voltage caps.
4. Medical: Used as sealing components for medical devices and laboratory equipment, medical grade silicone has excellent physiological inertness and is non irritating to human tissues.
Q1. What sizes do you have?
A: We have all sizes of AS568 standard and JIS B 2401standard, and about 3000 non-standard sizes, we also can produce the size according to your requirement.
Q2. Do you have any certificates?
A: We have IATF16949:2016 certificate, ROHS certificate, PAHS certificate, REACH certificate and FDA certificate.
Q3. Can I get some samples before order?
A: Yes, we can provide free samples. You only need to pay for the freight.
Q4. What is the lead time?
A: The lead time for samples is 1-3 days. The lead time for mold is 1-2 weeks. The lead time for batch order is 1-3 weeks.
