1,2-Propylene glycol
Properties and Uses
Colorless, viscous liquid absorbent stable, almost tasteless and odorless, flammable, toxic. Viscosity (20 ℃) 60.5mpa.s, than hot melt (20 ℃) 2.49 KJ / (kg. ℃), heat of vaporization (101.3kpa) 711 KJ / kg. With water, ethanol and a variety of organic solvents. Propylene glycol can be used as a raw material of unsaturated polyester resin, also plasticizers, surface active agents, emulsifiers and demulsifiers materials, can be used as an antifungal agent, fruit ripening agents, preservatives, antifreeze agents and tobacco insulation .
Quality indicators (quality system complies with ISO9001: 2000 standard)
|
Index |
Gifted class |
A product |
Qualified |
|
Content |
99.7% min |
99.5% min |
99.0% min |
|
Chroma (Pt-Co) |
10max |
16max |
40max |
|
Density (20/25 ℃) |
1.037-1.039 |
1.036-1.040 |
1.035-1.41 |
|
Moisture |
0.08wt% max |
0.15wt% max |
0.32% max |
Packaging, storage and transportation
Galvanized iron or paint barrel, net weight 200 or 215 ± 0.5 kg and we can use ISO TANK or according to customer requirements for packaging. This product should be stored in a cool, ventilated, dry place, according to general chemical storage and transportation.
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