O-Rings by Material
Neoprene O-Rings (CR / Polychloroprene)
Neoprene (CR) O-rings provide a balanced combination of moderate oil resistance, good weathering, and flame retardancy — a versatile general-purpose compound for refrigeration, outdoor, and moderate chemical service.
Properties
Key Properties
| Property | Value |
|---|---|
| Temperature Range | −40 °C to +120 °C |
| Hardness Range | 30 to 90 Shore A (60–70 Shore A typical) |
| Resists | Refrigerants (R-12, R-22, R-134a), moderate petroleum oils, ozone, UV, weathering, dilute acids, silicone oils |
| Avoid | Strong oxidizing acids, ketones, esters, aromatic solvents, chlorinated solvents |
| Typical Applications | Refrigeration (HVAC-R), outdoor equipment, moderate oil service, fire-resistant applications, construction equipment |
| Available Standards | AS568, ISO 3601, ASTM D2000 BC/BE |
For a complete material data sheet, see the full Neoprene O-Rings material page.
Sizes
Available Sizes
FITCO manufactures Neoprene O-Rings in all standard AS568 and metric sizes — from AS568-001 (0.74 mm ID) through AS568-475 (633.48 mm ID), plus metric sizes per ISO 3601, JIS B2401, and BS 1806.
- Standard durometers in stock
- Custom compounds and special durometers on request
- Cord stock available for field-cut rings
- Typical lead time: ex-stock for standard sizes, 2–4 weeks for custom
Resources
Related Pages
Full Material Data
Complete technical data sheet with chemical compatibility, compression set, and physical properties.
O-Ring Size Charts
AS568, Metric, JIS, BS, GB/T size tables with ID, OD, and cross-section dimensions.
Chemical Compatibility
Check material compatibility with your specific fluid or chemical environment.