Propylene Glycol (PG)
1. Properties and application
Molecular formula: C3H8O2
Structural formula: CH2-CH-CH2
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OH OH
It is colorless liquid with steady viscosity and good water absorption. It is nearly odorless, inflammable and minutely toxic. Its viscosity (20°C), specific heat capacity (20°C) and latent heat of vaporization (101.3kPa) are respectively 60.5MP/s, 2.49KJ/(kg/°C) and 711KJ/kg. It can be mixed and solved with alcohol, water and various organic agents.
PG is the raw material for preparing unsaturated polyester resin, plasticizer, surface active agent, emulsifying agent and demulsifying agent. It can also be used as mould inhibitor, antiseptic for fruit, ice inhibitor and moisture preserving agent for tobacco.
Quality index（quality system: in accordance with ISO9001 standard）
Packing and storage:
Packed in galvanized iron drum or varnish baked drum
N.W.: 200 or 215±0.5kg
Packed in ISO tank or as per clients' requirements
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