S1224-70 Datasheet

Parker S1224-70 is a 70 shore A rust-colored silicone (VMQ/PVMQ) compound qualified to AMS 3304, AMS 3357, MIL-G-21569 Class 2, and A-A-59588 Class 2a and 2b Grade 70 specifications. This material is well suited for O-rings and gaskets used in aerospace and industrial applications where stable performance under temperature extremes and environmental exposure is required. It provides good resistance to animal and vegetable oils, chlorinated aromatic fluids, diluted salt solutions, and moderate water exposure, along with excellent durability against ozone, aging, and weathering. With a typical service temperature range of -65°F to 450°F, S1224-70 can be compared to other military and AMS-grade silicone materials when evaluating equivalent high performance sealing solutions.

 

Silicone rubber, commonly referred to as VMQ, is widely used in O-rings and gaskets due to its broad temperature range and excellent resistance to environmental degradation. Aerospace-grade silicone compounds such as those meeting AMS and MIL specifications are designed to maintain flexibility at low temperatures while providing stability at elevated temperatures. These materials are commonly used in aerospace, defense, and industrial systems where reliability and compliance are critical. While highly versatile, silicone materials are generally not recommended for superheated steam, strong acids, alkalis, or hydrocarbon fuels, making proper material selection essential.

 

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