Hydroxyl Index mg KOH/g in Polyethers Polyols Range: 26 – 665 intervals ASTM D 4274 method D Water Content % in Polyethers Polyols Range: 0.05 – 0.2 ASTM E 203 Acid Index, mg KOH / g in Polyethers Polyols Range: max. 0.2 ASTM D 7253 Viscosity, 25 °C, cP in Polyethers Polyols Range: 0-500; 500-1000; 1000-1500; 1500 -6000 ASTM D 4878 Hazen color, APHA in Polyethers Polyols Range: 5-100 SR ISO 2211-94 / ASTM D 1209 Unsaturation meq/g in Polyethers Polyols Range: 0.001– 0.008; 0.01-0.06 ASTM D 4671   Refractive index, nD20 in Monopropylene glycol Range: 1.4310-1.4330 SR 7573