Caffaro Industrie Spa

RAVECARB Polycarbonate Diols for High Performance PU Systems RAVECARB 102 RAVECARB 103 RAVECARB 106 RAVECARB 107 RAVECARB 111 Chemical Structure Homopolymer from hexandiol Copolymer from hexandiol and pentandiol Homopolymer from hexandiol Copolymer from hexandiol and pentandiol Copolymer from polycaprolacton diol and hexandiol Appearance White solid Liquid White solid Liquid Liquid Theoretical OH functionality 2 2 2 2 2 OH number (mg KOH/g) 106 - 118 100 - 120 53 - 59 58 - 64 56 Average molecular weight 1000 1025 2000 1850 2000 Acidity number (mg KOH/g) 0,1 0,1 0,1 0,1 0,1 Color APHA 200 100 200 200 <100 Water % 0,1 0,1 0,1 0,1 0,1 Melting range ° C 33-43 -------- 36-50 -------- -------- Viscosity (cps at 50 ° C) 1000 1000 10000 8000 3500 20