Tender For Chemicals Required For Glycol Chiller Propylene Glycol Chemical (Industrial Grade) Heat Transfer Fluid (FFG) Sp. Gravity- 1.036 min at 20 deg. C Molecular Weight- 76.1. Purity- Not less than 99.5% Appearance- Clear, Colourless Liquid Hygroscopic Boiling Point-188.2 deg. C. Freezing Point-(-) 60.0 deg. C Pack Size: 1 x 215Kg. Net in Barrel