Hangzhou Bright Rubber Plastic Product Co., Ltd. is one of the leading manufacturers and suppliers of black nbr rubber gasket washer in China. If you're going to buy black nbr rubber gasket washer made in China, welcome to get more information from our factory. We also accept customized orders.
Material & Oil Resistance
This washer is manufactured from high-quality NBR (Nitrile Butadiene Rubber), a synthetic rubber known for its outstanding resistance to petroleum-based oils, fuels, and hydraulic fluids. It does not swell, degrade, or lose its sealing properties when exposed to these media, making it ideal for automotive engines, fuel systems, and industrial machinery. The material also offers good resistance to water and greases, ensuring reliable performance in a wide range of environments. Its durable formulation provides long-lasting protection against leaks and corrosion.
Sealing & Fastening Performance
The primary function of this rubber washer is to provide a tight, reliable seal between a bolt head or nut and the mating surface. When compressed, the rubber conforms to microscopic imperfections on the surface, filling gaps and preventing the leakage of liquids or gases. It also acts as a cushion, absorbing vibration and preventing the fastener from loosening over time. This dual sealing and damping action makes it an essential component in plumbing, automotive, and industrial assemblies where both leak prevention and joint stability are critical.
Cushioning & Protection
Beyond sealing, this rubber washer serves as an effective cushioning element. It absorbs vibration and impact, protecting delicate surfaces from damage caused by metal-to-metal contact. This is particularly important in applications involving glass, plastics, or painted surfaces, where a hard washer could cause scratches or cracks. The rubber washer also distributes the load of the fastener over a larger area, preventing the bolt head from digging into the material. Its flexible nature ensures a secure, damage-free connection in even the most delicate assemblies.
Durability & Environmental Resistance
The NBR compound used in this washer offers excellent resistance to aging, ozone, and weathering, ensuring a long service life in both indoor and outdoor applications. It remains flexible over a wide temperature range, typically from -30°C to +100°C, without becoming brittle or losing its sealing force. The material is also resistant to water, alcohols, and many chemicals, making it suitable for use in humid, wet, or chemically exposed environments. Its durable construction ensures reliable performance even under harsh conditions.
Application Scope
This versatile NBR rubber washer is widely used across numerous industries. In plumbing, it seals faucets, valves, and pipe fittings. In the automotive sector, it is found in engines, fuel lines, and brake systems. In electrical equipment, it provides insulation and vibration damping for screws and bolts. It is also used in household appliances, furniture assembly, and general hardware. Available in a comprehensive range of inner diameters, outer diameters, and thicknesses, it can be tailored to meet the specific requirements of any application.
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