Caffaro Industrie Spa

RAVECARB Polycarbonate Diols for High Performance PU Systems UNDER DEVELOPMENT RAVECARB 101 RAVECARB 108 RAVECARB 109 Chemical Structure Homopolymer from hexandiol Homopolymer from hexandiol Copolymer from 1.6 hexandiol and 1.4 cyclohexanedymethanol Appearance White solid White solid Liquid Theoretical OH functionality 2 2 2 OH number (mg KOH/g) 150 37,5 122 Average molecular weight 750 3000 900 Acidity number (mg KOH/g) 0,1 0,1 0,1 Color APHA 200 200 <100 Water % 0,1 0,1 0.1 Melting range ° C 30-36 40-55 -------- Viscosity (cps at 50 ° C) 600 7000 ( at 75 ° C) 130000 21