NBR NB70BK02 O-Ring, Size: 3X21
Material: NBR NB70BK02 O-Ring
Size: Metric 3X21 O-Ring
Part Number: NB70BK02-OR-3X21
Color: Black
Detailed Description
NB70BK02-OR-3X21 is a Black, 70 Shore A, Sulfur Cured NBR (Nitrile, Buna-N) O-Ring. NB70BK02 is manufactured with the following features & specifications: FDA Compliant. NB70BK02-OR-3X21 is Metric size 3X21 O-Ring also referred to as 3mm (Cross Sectional Diameter (CS)) x 21mm (Inside Diameter (ID)).
Material: NBR NB70BK02 O-Ring
Size: Metric 3X21, 3.00mm CS X 21.00mm ID (0.118" CS X 0.827" ID)
| Technical Specification | Value |
|---|---|
| Compound Number | NB70BK02 |
| Material | NBR (Nitrile, Buna-N) |
| Cure | Sulfur Cured |
| Color | Black |
| Durometer | 70 Shore A |
| High Temperature | 125 °C / 257 °F |
| Low Temperature | -35 °C / -31 °F |
| Geometry Specifications | |
| Cross Sectional Geometry | O-Ring |
| Size Standard | Metric |
| Size | 3X21 |
| Cross Section (CS) | 3.00 mm / 0.118 in |
| Inside Diameter (ID) | 21.00 mm / 0.827 in |
| Other Specifications | |
FDA Compliant | |
NB70BK02 is Canyon’s FDA compliant, 70 Shore A black nitrile rubber (NBR) compound engineered for food-contact O-rings and gaskets that require dependable oil resistance and cost-effective performance. This material offers good abrasion resistance and low compression set, supporting reliable sealing in static and light dynamic applications. With a service temperature range of -35°C to 122°C (-31°F to 252°F), NB70BK02 performs well in contact with petroleum-based oils and common industrial fluids encountered in food and packaging equipment. It meets ASTM D2000 requirements and is compliant with FDA 21 CFR 177.2600 for regulated environments. Compare NB70BK02 to Parker N1069-70, N0674-70, N1470-70, and NA151-70 for similar FDA-approved 70 Shore A NBR sealing needs.
Common relevant keywords:
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