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SSP390 is a 25-durometer (Shore A) heat-cured silicone elastomer that uses a Varox-peroxide and dicumyl-peroxide catalyst system. This silicone compound meets the requirements of the A-A-59588, Class 2A and Class 2B, Grade 25 specification. Because A-A-59588 compounds require significant testing, there is a $500 minimum order amount. Small-quantity orders may be subject to certification charges.
SSP390 elastomers have been tested to meet the physical and mechanical properties for A-A-59588, Class 2A and 2B, Grade 25 silicones. The A-A-59588 standard supersedes the ZZ-R-765 specification. As A-A-59588 Class 2A and 2B silicones, SSP-390 elastomers provide high-temperature resistance and low compression set.
SSP390 silicone elastomers are peroxide-cured, a robust technique that is also cost-effective. Because peroxide cure silicones aren’t inhibited by amines, tin compounds, latex, or urethanes, these compounds are often used in industrial applications such as aerospace and automotive. To prevent bloom and promote compatibility with food and healthcare requirements, SSP post-bakes all peroxide-cured silicones.
SSP390 silicone elastomers are supplied as ready-to-mold compounds or compression-molded sheet stock. These silicone compounds can be pigmented to meet your application requirements, but the most popular colors produced are red, black, and gray.
Download the SSP390 data sheet for specifications such as tensile strength, elongation percentage, specific gravity, and cure profile. MSDS information is available, and SSP can supply data from additional tests (such as compression set) performed in accordance with A-A 59588, Class 2A and Class 2B, Grade 25 requirements.
