MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Material medium silicone sponge rubber; compresion deflection (astm d-1056) 6 - 14 psi; elongation (astm d-412) 200 percent; compression set (astm d-1056) 25 percent; density (d-297 hydrostatic method) 0.014 - 0.020 lbs./in.; water absorption (astm d-1056) less than 5 percent; meets ul 1570, 1571, and 1572 specifications; also available i black and gray colors, 36 by 36 in. Sheets, and continuous length 36 in. Wide (specify length required)
