As raw materials by production biodegradable memory fiber ptt. Used as antifreeze agent, organic solvents. Used for raw materi Our products are a good color, can be less than 5 Chemical name: propylene glycol; 1, 2-propanediol Molecular formula: c3h8o2 Relative molecular weight: 76.09 Relative density20/20g/cm3:1.0351.039 Distillation range95%, vol: 184190 Cas no.:57-55-6 Appearance: colorless transparent or primrose yellow liquid with special taste Index of quality: Item Index High grade First grade Qualified grade Content, % ¡y 99.7 99.5 99.0 Color(pt-co) ¡¨¹ 6 10 20 Moisture, % ¡¨¹ 0.10 0.20 0.32 Steel drum, flexible bag, isotank. 200kg/drum 80drums/20'gp