hello
I`m in japan, an here they have many research about expansive material . Beside that Main office of Denka Corporation in in here, we aswalys use their product in our research, maybe you can contact this address for USA.
thank`s
Nice to discuss about this material in forum
Denka Corporation
780 Third Avenue, 32nd Floor, New York, NY 10017, U.S.A.
Telephone: 1(212)688-8700
Facsimile: 1(212)688-8727
E-mail: info@denkany.com