Ningbo Zhonggao Rubber & Plastic Manufacturing Co., Ltd. is one of the most reliable manufacturers and suppliers of nitrile rubber gaskets in China. The company has world-leading production equipment and strong manufacturing capabilities. Welcome to wholesale custom made nitrile rubber gaskets from our factory.
Material Properties
Strong Oil Resistance
Exceptional resistance to mineral oils, vegetable oils, and aliphatic hydrocarbons. Ideal for oil-rich environments
Chemical Resistance
● Advantages: Resists weak acids, alkalis, alcohols, saltwater, and non-polar solvents (e.g., gasoline, diesel).
● Limitations: Performance may degrade in strong acids, oxidizers, or ketone/ester-based solvents.
Temperature Tolerance
● Standard grades: -40°C to +120°C .
● Special grades (e.g., hydrogenated nitrile rubber/HNBR): -40°C to 150°C.
Mechanical Performance
High elasticity and abrasion resistance, for dynamic sealing applications (e.g., rotating shaft seals).
Gas/Liquid Tightness
Dense molecular structure, against gas or liquid leakage.
Hardness Range
Shore A 40–90
Tensile Strength
10~30 MPa, high wear resistance (suitable for dynamic sealing)
Electrical Properties
● Volume resistivity: 10⁹–10¹¹ Ω·cm.
Note: Not rated as insulating material, suitable only for low-voltage environments.
Customization Services
FAQ
Q: Can we use our own logo?
A: Yes, we can print your private logo according to your request. But a letter of authorization is required.
Q: How many packaging do you have?
A: We have five packages including PE bag, plastic film, paper tube and cardboard currently.
Q: How many different types of products your company manufactures?
A: Now we have more than 10,000 products. We have a strong advantage of OEM, just give us the actual products or your idea that you want, we will manufacture for you.
Q: When can I get the price?
A: Usually we quote within 8-24 hours after we get your inquiry.
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