Hangzhou Bright Rubber Plastic Product Co., Ltd. is one of the leading manufacturers and suppliers of oem oil resistant nbr rubber grommet in China. If you're going to buy oem oil resistant nbr rubber grommet made in China, welcome to get more information from our factory. We also accept customized orders.
OEM Oil-Resistant NBR Rubber Grommet
Product Characteristics
|
Material |
NBR |
| Color | OEM Customized |
| Size and Shape | OEM |
| Dimensional Tolerance | ±0.05 – ±0.2 mm |
| Working Temperature | -30°C ~ +120°C |
| Fluid Compatibility | Mineral oils, gasoline, diesel, hydraulic fluids |
| Molding Process | Compression molding |
| MOQ | Sample orders welcome |
| Lead Time | 1-3 weeks |
| Payment Term | L/C, T/T, WEST UNION, PAYPAL, ESCROW |
| Hardness | 20-90 Shore |
| Quality certification | RoHS, REACH, FDA (food-grade grades), etc. |
Product Introduction
1. Why NBR for Grommets
Nitrile rubber earns its place wherever petroleum-based fluids are present. The acrylonitrile fraction in the polymer chain directly governs oil resistance - higher nitrile means a stronger fuel and oil barrier; lower nitrile improves low-temperature flexibility. Our OEM Oil Resistant NBR Rubber Grommet can be tuned along this spectrum so the part performs in your exact fluid and temperature profile without over-engineering.
2. Performance Highlights
- Withstands continuous contact with engine oil, transmission fluid, gasoline, and diesel
- Tough against chafing and tearing when cables are pulled through repeatedly
- Maintains clamping force on panel edges under thermal cycling
- Low compression set keeps the grommet seated over years of service
- Price-competitive against fluorinated or specialty elastomers
3. Where It Goes
- Under-hood wiring pass-throughs and fuel sender openings
- Hydraulic power units, valve manifolds and oil reservoirs
- Small-engine equipment: generators, pumps, lawn tractors
- Industrial gearboxes and lubricated machine frames
- Compressor housings and pneumatic control cabinets
- Marine inboard engine compartments (fuel-resistant grade)
4. What We Can Customize
- Any bore, flange diameter, groove width, or wall section from your CAD file
- Soft 40A for easy hand assembly up to rigid 90A for pressurized panels
- Nitrile content adjusted for cold climate or max fuel exposure
- Color matching to your housing or brand standard
- Profile variants: closed-end, split, multi-bore, stepped shoulder, thin-wall
- Finishing: precision slitting, punch-out centers, notches, bag-and-label kits
5. Manufacturing & Assurance
- Both compression and injection tooling available to match volume
- Mold design, machining, and first-article sampling in-house
- Every lot checked for OD/ID, hardness, and visual defects
- Batch traceability from raw compound to shipped cartons
Company Information
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