| Product | PG | CAS No | 57-55-6 |
| Quality | 99.5%+ | Quantity: | 1ton |
| Test Date | 2018.6.20 | Quality Standard | |
| Testing Item | Quality Standard | Testing Method | Results |
| Color | Colorless | GB 29216-2012 | Colorless |
| Appearance | Transparent Liquid | GB 29216-2012 | Transparent Liquid |
| Density (25℃) | 1.035-1.037 | 1.036 | |
| Assay % | ≥99.5 | GB/T 4472-2011 | 99.91 |
| Water % | ≤0.2 | GB/T 6283-2008 | 0.063 |
| Acid Assay, ml | ≤1.67 | GB 29216-2012 | 1.04 |
| Burning residue % | ≤0.007 | GB/T 7531-2008 | 0.006 |
| Pb mg/kg | ≤1 | GB/T 5009.75-2003 | 0.000 |
(1)Propylene glycol is used as raw materials for resins, plasticizers, surfactants, emulsifiers and demulsifiers, as well as antifreeze and heat carriers.
(3)Propylene glycol is mainly used for the extraction solvent of various spices, pigments, preservatives, vanilla bean, roasted coffee granule, natural flavor and so on. A moisturizing and softening agent for candy, bread, packaged meats, cheeses, etc.
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