Image shown is representative and may differ from the actual product in size, proportions, and color shade
0.157 in
(4.00 mm)
9.134 in
(232.00 mm)
SIL SI70OR53 O-Ring, Size: 4X232
Material: SIL SI70OR53 O-Ring
Size: Metric 4X232 O-Ring
Part Number: SI70OR53-OR-4X232
SI70OR53
Silicone (VMQ)
70
Shore A
Low Compression Set
High Temperature Material
Color: Orange
Detailed Description
SI70OR53-OR-4X232 is a Orange, 70 Shore A, Silicone (VMQ) O-Ring. It is a 70 durometer Silicone (VMQ). SI70OR53 is manufactured with the following features & specifications: Low Compression Set, High Temperature Material. SI70OR53-OR-4X232 is Metric size 4X232 O-Ring also referred to as 4mm (Cross Sectional Diameter (CS)) x 232mm (Inside Diameter (ID)). Material: 70 Durometer SIL SI70OR53 O-Ring Size: Metric 4X232, 4mm CS X 232mm ID (0.157" CS X 9.134" ID)
| Technical Specification | Value |
|---|---|
| Compound Number | SI70OR53 |
| Material | Silicone (VMQ) |
| Color | Orange |
| Durometer | 70 Shore A Hardness |
| Geometry Specifications | |
| Cross Sectional Geometry | O-Ring |
| Size Standard | Metric |
| Size | 4X232 |
| Cross Section (CS) | 4.00 mm / 0.157 in |
| Inside Diameter (ID) | 232.00 mm / 9.134 in |
SI70OR53 is a 70 shore A orange silicone (VMQ) compound that is peroxide cured and manufactured to A-A-59588 (2B-70) and ZZ-R-765 (2B-70) specifications for high temperature sealing applications. This material provides reliable performance in O-rings and gaskets exposed to elevated temperatures, while maintaining flexibility down to -60°C and stability up to 232°C. It offers good resistance to ozone, detergents, salt water, and vegetable and animal oils, making it suitable for aerospace, industrial, and environmental sealing applications. SI70OR53 can be compared to Parker S0604-70 when evaluating equivalent high temperature silicone materials for demanding service conditions.
Silicone rubber, commonly referred to as VMQ, is widely used in O-rings and gaskets due to its excellent temperature range and resistance to environmental degradation. These materials maintain elasticity in both extreme cold and heat, making them ideal for applications involving thermal cycling, outdoor exposure, and long service life requirements. Silicone compounds are commonly used in aerospace, food processing, and industrial applications where ozone resistance and thermal stability are critical. While highly versatile, they are generally not recommended for use with petroleum fuels or certain aggressive solvents, making proper material selection important.
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