Image shown is representative and may differ from the actual product in size, proportions, and color shade
0.315 in
(8.00 mm)
1.575 in
(40.00 mm)
SIL SI70OR01 O-Ring, Size: 8X40
Material: SIL SI70OR01 O-Ring
Size: Metric 8X40 O-Ring
Part Number: SI70OR01-OR-8X40
Color: Orange
Detailed Description
SI70OR01-OR-8X40 is a Orange, 70 Shore A, Peroxide Cured Silicone (VMQ) O-Ring. It is a 70 durometer Silicone (VMQ). SI70OR01 is manufactured with the following features & specifications: General Purpose Material. SI70OR01-OR-8X40 is Metric size 8X40 O-Ring also referred to as 8mm (Cross Sectional Diameter (CS)) x 40mm (Inside Diameter (ID)). Material: 70 Durometer SIL SI70OR01 O-Ring Size: Metric 8X40, 8mm CS X 40mm ID (0.315" CS X 1.575" ID)
| Technical Specification | Value |
|---|---|
| Compound Number | SI70OR01 |
| Material | Silicone (VMQ) |
| Cure | Peroxide Cured |
| Color | Orange |
| Durometer | 70 Shore A Hardness |
| High Temperature | 205 °C / 401 °F |
| Low Temperature | -60 °C / -76 °F |
| Geometry Specifications | |
| Cross Sectional Geometry | O-Ring |
| Size Standard | Metric |
| Size | 8X40 |
| Cross Section (CS) | 8.00 mm / 0.315 in |
| Inside Diameter (ID) | 40.00 mm / 1.575 in |
Canyon’s SI70OR01 is a 70 Shore A orange silicone (VMQ) compound that is peroxide cured for excellent thermal stability, chemical resistance, and long service life. It performs reliably across a broad service temperature range of -60°C to 205°C (-75°F to 400°F) and provides strong resistance to ozone, weathering, detergents, saltwater, and both vegetable and animal oils. This balance of flexibility and durability makes it well suited for sealing and insulating components exposed to harsh industrial environments. SI70OR01 is available in multiple colors, durometers, and geometries to support custom sealing requirements.
SI70OR01 meets ASTM D2000 M7GE705 and M5GE706 specifications, ensuring consistent material quality across industrial, automotive, and food-related applications. Its peroxide-cured formulation improves heat resistance and compression set performance, supporting extended service life under continuous use. Canyon Components offers equivalent and custom silicone materials designed to meet or exceed the performance of Parker S1138-70 and similar peroxide-cured VMQ compounds.
Common relevant keywords:
Silicone, VMQ, Peroxide Cured Silicone, 70 Shore A Silicone, Orange Silicone Rubber, Silicone O-rings, Silicone Gaskets, High Temperature Silicone, Low Temperature Silicone Seals, Ozone Resistant Rubber, Weather Resistant Elastomers, Saltwater Resistant Silicone, Industrial Silicone Seals, Parker S1138-70 Equivalent, Datasheet, TDS, Test Report, MTR, MSDS, SDS
