A mixture of refractory material (diatomaceous earth, exfoliated mica, rock or mineral wool etc.), asbestos fibers, and clay binder used for insulating high temperature work, piping, tanks, and general use.
Classification: Refractory cements, mortars, concretes and similar compositions of clay other than products of heading 3801
NSN 5835-00-921-1662
NSN 5990-00-145-1187
NSN 5895-01-114-9166
NSN 5965-01-250-3214
NSN 5998-01-588-0347
NSN 5855-01-154-1402
NSN 6620-00-269-5168
NSN 5990-01-211-6136
NSN 5996-01-534-9696
NSN 2925-00-180-2532
NSN 5975-00-533-5053
NSN 4140-01-531-5108