AS568 Standard Black O-Ring Seals 1.78mm Diameter NBR70 NBR90 Hardness for Hydraulic Systems
Professional-grade O-ring seals manufactured to AS568 standards with 1.78mm cross-section diameter, available in NBR70 and NBR90 hardness options for various industrial applications.
| Parameter | Specification |
|---|---|
| Material | NBR (Nitrile Rubber) |
| Hardness | 70-90 Shore A |
| Temperature Range | -35℃ to 100℃ |
| Cross-Section Diameter | 1.78mm |
| Color | Black |
| Compatible Media | Hydraulic oil, fire retardant liquid, water, gas |
- Machinery and equipment sealing for hydraulic systems, pneumatic systems, and transmission systems
- Automotive industry applications in engines, transmission, and brake systems
- Aerospace components requiring high-performance sealing solutions
Precision turning process ensures exact size control and tight installation fit
Multiple material options available for different working environments
Effective prevention of liquid and gas leakage for reliable equipment operation
Extended service life through proper material treatment and processing
All manufacturing processes comply with ISO-9001:2015 quality system and pass ROHS/SGS/CE certification requirements.
Wide range of materials available including NR, NBR, HNBR, FKM, FFKM, EPDM, CR, VMQ, PU, PTFE, PEEK, POM. Custom design and manufacturing services available based on customer specifications and requirements.
Standard packaging includes inner plastic bag and outer carton. Custom packaging available upon request. Express delivery (DHL, FEDEX, UPS, TNT) for small orders, air or sea freight for large quantities.
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