| | Pyro-Paint 634-AS High Temp Refractory Coating Now Available Aremco Products, Inc., Valley Cottage, NY 25 Sep 2013 Pyro-Paint™ 634-AS, a new high temperature, alumina-silica refractory coating developed by Aremco Products, Inc., is now used to coat and insulate graphite impellers and other graphite structures from oxidation and corrosion in aluminum and magnesium foundry applications to 2300°F (1260°C). | |