SSP2496 is a 60-durometer silicone rubber that meets the fuel resistance requirements in the AMS 3325 specification, which supercedes AMS 3326. This heat-cured elastomer uses a DBPH catalyst system and is supplied as compression molded sheet stock or ready-to-mold compound. Natural color SSP2496 can be pigmented as required.
The AMS 3325 specification covers fluorosilicone rubber in the form of sheets, strips, tubing, extrusions, and molded shapes. These materials are used typically for parts requiring resistance to jet fuels and lubricating oils, but usage is not limited to such applications. SAE International, a professional association and standards-developing organization, defines Aerospace Material Specifications (AMS) like AMS 3325.
The shelf life for catalyzed SSP2496 is two months. Cold storage will extend shelf left for this military and aerospace silicone.
The AMS 3325 spec is available from SAE International. The table below compares typical values for SSP3325T against the AMS 3325 spec.
DATA | Spec | Typical Values |
Shore A | 55 – 65 | 60 |
Tensile Strength | 800 psi min. | 960 psi |
Elongation % | 150 % min. | 340% |
Tear C | 50 ppi min. | 136 ppi |
Specific Gravity | 1.60 – 1.66 | 1.63 |
Other tests performed in accordance with the AMS 3325 specification include:
22 hours compression set
Property changes after heat aging
AMS 3021 oil and Fuel-B immersion
Low temperature retraction
AMS 3325 oil and Fuel-B immersion covers shore change, tensile change, elongation change, and volume change percentage.
Download the SSP3325 data sheet and compare this PDF against the AMS 3325 specs from SAE International.
Contact SSP to request a quote, or for additional information about this silicone rubber.
