I just realized in looking at the spec sheet again comparing the H to the HT. The H has a minimum forming temperature of +200 degrees F and the HT has a minimum of +280 degrees F. The H 30 has a 2.3lb density, H 45 has a 3lb density (thats per cubic foot) and the H 60 has a 4lb density. Larry H.
________________________________ From: Martek Mississippi <rep...@martekmississippi.com> Subject: Re: KR> Wing Skin Reinfrocement/DIVINYCELL FOAM CORES Larry, I looked at the Wicks and Aircraft Spruce online catalogs. They carry the H but not the HT series.