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nbr rubber gasket
LIXU
Looking for high-performance NBR rubber gasket and NBR rubber washer that deliver exceptional oil resistance for your industrial equipment? Our oil resistant nitrile seals, crafted from premium nitrile butadiene rubber (NBR, also known as Buna-N rubber), are engineered to meet the rigorous sealing demands of industrial applications involving oil, fuel, and petroleum-based fluids. As a trusted manufacturer of NBR rubber sealing components, we offer a comprehensive range of nitrile rubber gaskets, nitrile rubber washers, custom NBR gaskets, and industrial nitrile seals in various sizes, hardness levels, and configurations to fit your exact equipment requirements.
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We offer a diverse selection of NBR rubber gaskets and washers tailored to different industrial needs, covering standard sizes and custom solutions. Our core product lineup includes: Standard NBR Rubber Gaskets: Precision-manufactured flat NBR gaskets with standard inner diameter (ID), outer diameter (OD), and thickness options. Ideal for general industrial sealing applications, such as pump gaskets, valve gaskets, and pipe flange gaskets. Available in Shore A 60-90 hardness to match different pressure requirements.
Oil Resistant NBR Rubber Washers: Designed specifically for oil and fuel systems, these nitrile washers feature a smooth surface and precise sizing to prevent leakage. Widely used in automotive engines, hydraulic systems, and fuel tanks. Popular sizes include M5-M30 metric washers and 1/4"-2" imperial washers.
Custom NBR Rubber Gaskets & Washers: Tailored to your unique equipment dimensions and application needs. We can produce custom-shaped NBR gaskets (oval, rectangular, irregular), reinforced NBR washers (with fabric or metal inserts), and thin NBR gaskets (0.5mm-10mm thickness) for specialized industrial machinery.
High ACN NBR Rubber Seals: For enhanced chemical resistance in harsh oil and solvent environments. Suitable for oilfield equipment, chemical processing pumps, and high-pressure hydraulic systems.
Food Grade NBR Rubber Gaskets: Compliant with FDA standards, these nitrile gaskets are safe for use in food and beverage processing equipment where oil resistance is required (e.g., edible oil processing lines).
Premium Quality Materials: We use only high-grade NBR rubber from trusted suppliers, ensuring consistent oil resistance and durability of our gaskets and washers.
Strict Quality Control: Every batch of NBR rubber gaskets undergoes rigorous testing, including dimensional accuracy, tensile strength, compression set, and oil resistance tests, to meet international standards.
Expert Technical Team: Our engineering team has over 10 years of experience in the rubber sealing industry, providing professional advice and custom solutions tailored to your industrial needs.
Competitive Pricing: Thanks to our efficient production processes and bulk purchasing power, we offer competitive prices without compromising on quality, helping you reduce operational costs.
Timely Delivery: We have a large production capacity and global logistics partnerships, ensuring fast and reliable delivery of your orders, even for large quantities.
Excellent Customer Service: Our customer service team is available 24/7 to answer your inquiries, provide technical support, and handle after-sales issues, ensuring a smooth and hassle-free experience.
| Parameter | Value Range | Description |
|---|---|---|
| Material | Nitrile Butadiene Rubber (NBR/Buna-N), XNBR (Carboxylated NBR) | Premium synthetic rubber for oil and fuel resistance |
| Hardness | Shore A 60-90 | Customizable based on application pressure and sealing requirements |
| Temperature Range | -40°C to 120°C (continuous use); up to 150°C (short-term use) | Stable performance in low and high-temperature industrial environments |
| Tensile Strength | ≥15 MPa | Ensures durability and resistance to tearing under pressure |
| Elongation at Break | ≥300% | Good flexibility for tight sealing on irregular surfaces |
| Compression Set | ≤30% (70°C, 22h) | Maintains sealing performance after long-term compression |
| Key Resistance | Oil, fuel, gasoline, diesel, hydraulic oil, water, mild chemicals | Poor resistance to strong acids, ozone, and aromatic solvents |
| Compliance Standards | ISO 34-1, ASTM D2000, FDA 21 CFR 177.2600 (food grade) | Meets global industrial and safety requirements |
| Material Type | Oil Resistance | Temperature Range | Chemical Resistance | Cost-Effectiveness | Ideal Applications |
|---|---|---|---|---|---|
| NBR (Nitrile Butadiene Rubber) | Excellent | -40°C ~ 120°C | Good (oil-based fluids, mild chemicals); Poor (strong acids, ozone) | High | Automotive, hydraulic systems, oil & gas, industrial machinery |
| EPDM | Poor | -50°C ~ 150°C | Excellent (water, steam, ozone, alkaline solutions) | High | HVAC, water treatment, outdoor equipment |
| FKM (Viton®) | Excellent | -20°C ~ 200°C | Excellent (strong chemicals, solvents, acids/bases) | Low | Chemical processing, high-temperature industrial environments |
| Silicone (VMQ) | Poor | -60°C ~ 230°C | Good (ozone, weather); Poor (oil, fuel) | Medium | Food processing, medical equipment, high-temperature seals |
| Neoprene (CR) | Good | -40°C ~ 120°C | Good (weather, ozone, mild chemicals) | Medium | Marine equipment, automotive hoses, outdoor seals |
Automotive Industry: Engine oil seals, fuel system gaskets, transmission washers, hydraulic brake seals, cooling system gaskets. NBR rubber’s oil resistance makes it ideal for automotive components exposed to engine oil and fuel.
Hydraulic & Pneumatic Systems: Hydraulic cylinder gaskets, pump seals, valve washers, hydraulic hose connectors. Prevents oil leakage and maintains system pressure in high-pressure hydraulic equipment.
Oil & Gas Industry: Oilfield equipment seals, pipeline gaskets, fuel storage tank washers, drilling machinery seals. Resists crude oil, diesel, and other petroleum products in harsh oilfield environments.
Industrial Machinery: Gearbox gaskets, compressor seals, generator washers, machine tool oil seals. Ensures reliable sealing for machinery lubrication systems.
Food & Beverage Industry: Edible oil processing equipment gaskets, beverage filling machine washers (food grade NBR). Safe for contact with food products while resisting oil contamination.
Marine Industry: Ship engine seals, fuel system gaskets, marine pump washers. Resists saltwater and marine fuel, suitable for marine equipment operating in harsh marine environments.
Chemical Processing Industry: Mild chemical handling equipment gaskets, oil-based chemical storage tank seals. Compatible with non-corrosive oil-based chemicals.
Requirement Consultation: Contact our technical team with your application details (temperature, pressure, fluid type), equipment dimensions (drawing or sample preferred), hardness requirements, quantity, and delivery timeline. Our experts will provide professional advice on material selection and design.
Design & Engineering: Based on your requirements, we will create a detailed design drawing for the custom NBR gasket/washer, including material specifications and performance simulations. We will send the drawing to you for approval before production.
Prototype Production & Testing: We produce a small batch of prototypes using advanced molding technology. The prototypes undergo rigorous testing, including dimensional accuracy checks, oil resistance testing, and sealing performance testing, to ensure they meet your expectations.
Mass Production & Quality Control: Once the prototype is approved, we start mass production with strict quality control measures. Every batch is inspected for dimensional accuracy, material properties, and sealing performance to ensure consistency.
Delivery & After-Sales Support: We arrange timely delivery via international logistics (DHL, FedEx, sea freight) and provide comprehensive after-sales support, including installation guidance and performance follow-up. We also offer a warranty for custom products.
