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NBR O-Rings — Nitrile Shore 70 (N70)
NBR O-Rings — Nitrile Shore 70 (N70)
Black NBR (Nitrile Butadiene Rubber) O-rings, Shore hardness 70 — the most widely used sealing compound across hydraulic, pneumatic, and oil systems in the UAE and GCC. Available in metric and AS568 standard sizes, across 33 cross-section groups from 1.0mm to 8.0mm CS, with 939 size variants in total. Operating temperature: −30°C to +120°C.
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Black NBR (Nitrile Butadiene Rubber) O-rings, Shore hardness 70 — the most widely used sealing compound across hydraulic, pneumatic, and oil systems in the UAE and GCC. Available in metric and AS568 standard sizes, across 33 cross-section groups from 1.0mm to 8.0mm CS, with 939 size variants in total. Operating temperature: −30°C to +120°C.
NBR (Nitrile Butadiene Rubber), also known as Buna-N, is the most widely specified sealing compound in industrial applications. Shore 70 hardness provides an excellent balance of flexibility and compression resistance for static and dynamic sealing in hydraulic cylinders, pneumatic systems, oil pumps, valves, and pipe fittings.
ABAW stocks the full 939-size N70 range in Dubai, UAE — the most comprehensive Nitrile O-ring inventory in the GCC — for supply across all UAE emirates, GCC countries, and African markets.
Technical Specifications
| Property | Value |
|---|---|
| Material | Nitrile Butadiene Rubber (NBR / Buna-N) |
| Hardness (Shore A) | 70 ± 5 |
| Temperature Range | −30°C to +120°C |
| Standards | AS568 (inch) & Metric |
| CS Range | 1.0mm – 8.0mm (33 cross-section groups) |
| Total Size Variants | 939 sizes |
| Fluid Compatibility | Petroleum oils, hydraulic fluids, fuels, water, fats |
| Colour | Black |
Typical values. Custom compounds and sizes available on request — contact us for bulk pricing.
Key Features & Benefits
- 939 total size variants across 33 cross-section groups (1.0mm – 8.0mm CS)
- Available in both metric and AS568 (American Standard) sizing
- Shore 70 ± 5 hardness balances flexibility with compression-set resistance
- Compatible with petroleum oils, hydraulic fluids, fuels, water and fats
- Operating range of −30°C to +120°C covers most industrial sealing duty
- Reliable static and dynamic sealing performance in hydraulic and pneumatic circuits
- Standard black NBR / Buna-N compound
- The most comprehensive Nitrile O-ring inventory held in the GCC
- Bulk stock held in Dubai for fast dispatch across the region
- Widely specified across oil & gas, manufacturing, marine and automotive sectors
Typical Applications
Oil & gas equipment
Hydraulic systems
Pneumatic systems
Oil pumps
Valves & pipe fittings
Marine deck equipment
HVAC & building services
Automotive repair workshops
Manufacturing plant equipment
General industrial sealing & maintenance
NBR O-Rings in Dubai, UAE — Complete Nitrile O-Ring Supplier
ABAW stocks 939 NBR O-ring size variants in Dubai, UAE — the most comprehensive Nitrile O-ring inventory in the GCC. We serve industrial buyers across all UAE emirates (Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah, Umm Al Quwain, Fujairah), GCC countries (Saudi Arabia, Kuwait, Qatar, Bahrain, Oman), and African markets.
NBR (Nitrile Butadiene Rubber) O-rings, also known as Buna-N or Nitrile O-rings, are the most widely specified sealing compound in industrial applications. Shore 70 hardness provides an excellent balance of flexibility and compression resistance for static and dynamic sealing in hydraulic cylinders, pneumatic systems, oil pumps, valves, and pipe fittings.
Our NBR N70 range covers 33 cross-section groups from 1.0mm to 8.0mm CS, with inner diameters from 0.74mm up to 658mm. Both metric (mm) and AS568 American Standard sizes are stocked — covering AS568 -001 through -475 series and all major metric equivalents used across UAE and GCC industry.
NBR O-rings from our Dubai stock are used in oil & gas equipment in Abu Dhabi, hydraulic systems in Jebel Ali manufacturing plants, marine deck equipment in Fujairah, HVAC and building services across Dubai and Sharjah, automotive repair workshops throughout the UAE, and food-grade applications where petroleum media is not involved.