Dipropylene Glycol vs Propylene Glycol – Technical Comparison
Dipropylene Glycol vs Propylene Glycol – Technical Comparison
Choosing the right glycol depends on how it performs under industrial conditions. Below is a structured comparison from a B2B perspective:
Physical Properties
| Property | Propylene Glycol (PG) | Dipropylene Glycol (DPG) |
|---|---|---|
| Viscosity | Low | Medium |
| Odor | Slight | Very low |
| Volatility | Higher | Very low |
| Molecular Structure | Simpler diol | More complex diol blend |
| Hygroscopicity | High | Moderate |
| Solvency Power | Strong | Controlled but stable |
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