TY - RPRT TI - Friability of spray-applied fireproofing and thermal insulations : laboratory evaluation of prototype test devices AU - Rossiter, Walter J AU - Roberts, Willard E AU - Mathey, Robert G PY - 1988 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NIST IR 88-3848 DO - 10.6028/NIST.IR.88-3848 ER -