SAE AMS3913B

This specification covers the material and process requirements for fabricating sandwich radomes having hot-melt, addition-reaction polyimide-resin-impregnated quartz cloth shells and polyimide-resin syntactic foam cores.

This product has been used typically as a radar-transparent structure for use as an electromagnetic window up to 230 °C (446 °F), but usage is not limited to such applications.