Nitrile (Buna-N / NBR) O-Rings – Oil-Resistant, Durable & Budget-Friendly Seals
- 0 MOQ
- 3 DAYS DELIVERY
- 100% customer repurchase rate
Send your inquiry now !
Nitrile (Buna-N / NBR) O-Rings – Oil-Resistant, Durable & Budget-Friendly Seals
Nitrile O-Rings (also known as Buna-N O-Rings or NBR O-Rings) are valued for their exceptional resistance to oils, fuels, and wear, making them a popular choice in automotive, hydraulic, pneumatic, and industrial applications. Whether you need bulk production or small-batch custom orders, Hengoseal delivers high-quality Nitrile rubber sealing solutions with fast lead times and no minimum order quantity.
Product Details
| Temperaturområde | -40°C to +100°C (up to +120°C with special grades) |
|---|---|
| Media Compatibility | Excellent resistance to petroleum-based lubricants, fuels, and mineral oils |
| Begrænsninger | Not recommended for use with strong oxidizing agents, chlorinated hydrocarbons, or aromatic hydrocarbons |
| Colors | Black, brown, blue, green, and custom shades available |
Nitrile (Buna-N / NBR) O-Rings Key Features & Benefits
-
Excellent Oil Resistance – Reliable sealing against gasoline, diesel, lubricating oils, and other petroleum-based fluids
-
Omkostningseffektiv – More economical than premium elastomers like Viton® while still providing dependable performance
-
Abrasion Resistant – Suitable for long-term use in dynamic applications
-
Available in Various Hardness Levels – Shore A 40–90 to match different sealing pressures and conditions
-
Custom Colors – Black, brown, blue, green, and custom shades available
Nitrile (Buna-N / NBR) O-Rings Typical Applications
-
Automotive fuel, oil, and gearbox seals
-
Hydrauliske og pneumatiske systemer
-
Industrial machinery using petroleum-based fluids
-
O-Ring kits for maintenance and service (bulk NBR O-Ring sets)
-
Affordable sealing for high-volume OEM requirements
Comparison: NBR vs. Other Common Materials
| Materiale | Olie modstand | Varmemodstand | Kemisk resistens | Koste | Almindelige anvendelser |
|---|---|---|---|---|---|
| NBR/Buna-N | Høj | Medium | Medium | Lav | Hydraulic seals, fuel seals |
| HNBR | Høj | Høj | Høj | Medium | High-temp hydraulic seals |
| FKM/Viton® | Fremragende | Fremragende | Høj | Høj | Aerospace, chemical seals |
| EPDM | Lav | Medium | Høj | Medium | Water and steam sealing |
Related Resources for O-Ring Buyers
-
O-Ring Collection Page: https://hengoseal.com/product-category/o-ring-manufacturer/
-
O-Ring Solutions Guide: https://hengoseal.com/o-ring-guide/
-
Nitrile Rubber O-Rings Guide: https://hengoseal.com/nitrile-rubber-o-rings-guide/
-
Buna-N vs. EPDM O-Rings: https://hengoseal.com/buna-n-vs-epdm-o-rings/
-
O-Ring Cost & Selection Guide: https://hengoseal.com/o-ring-cost-selection-guide/
Nitrile (Buna-N / NBR) O-Rings FAQ
-
Are Nitrile O-Rings and Buna-N O-Rings different?
No, Buna-N is simply another name for NBR. -
What is the temperature range of NBR O-Rings?
Standard NBR handles -40°C to +100°C, with special grades up to +120°C. -
Are NBR O-Rings food-grade?
Standard NBR is not food-safe, but FDA-compliant versions are available. -
How do I choose between NBR and Viton® O-Rings?
Choose NBR for cost-effective oil resistance; choose Viton® for high heat and chemical resistance. -
Do you offer colored NBR O-Rings?
Yes, we provide multiple standard and custom colors. -
Can you supply NBR O-Ring kits?
Yes, assorted kits are available for maintenance and repair needs. -
What is the lead time?
Stock ships within 3 days; custom orders in 10–15 days. -
Is there a minimum order quantity?
No, we support orders with no MOQ.
Har du brug for hjælp?
📩 Send os en e-mail på [email protected]
📱 WhatsApp: +86 17622979498
Lad os hjælpe dig med at finde den rigtige nitril o-ring til dit system.
DA 
EN 
BN 
AR 
CS 
DE 
EL 
EO 
ES 
IT 
FR 
PT 
ID 
JA 
RU 
ML 
RO 
VI 
UK 
TR 
TH 
KO