Redwood is the manufacturer and supplier of Propylene Glycol. We have been engaged in the production and sales of Propylene Glycol for 10 years. If you have any questions about Propylene Glycol, please Contact Redwood , we will contact you within 1 working day.
Over 10 years of experience since 2010
QC center for quality control before shipment 
Sales to 1000+ customers from 90 countries until 2022| ITEM | STANDARD |
| COLOR | APHA COLOR 10MAX |
| MOISTURE | 0.2MAX |
| SPECIFIC GRAVITY (25/25℃) | 1.0360-1.0370 |
| REFRACTIVE INDEX 25℃ | 1.4307-1.4317 |
| DISTILLATION RANGE (L), ℃ | 184.0-189.0 |
| DISTILLATION RANGE (U), ℃ | 184.0-189.0 |
| DISTILLATION VOLUME VOL% | 95min |
| IDENTIFICATION | PASSED |
| ACIDITY 0.1N NAOH ML | 0.05MAX |
| CHLORIDE WEIGHT % | 0.007 MAX |
| SULFATE | 0.006 MAX |
| HEAVY METALS PPM | 5 MAX |
| RESIDE ON IGINTION MG | 2.5 MAX |
| ORGANIC VOLATILE IMPURITY CHLOROFORM (µG/G) | 60MAX |
| ORGANIC VOLATILE IMPURITY 1.4 DIOXANE (µG/G) | 380 MAX |
| ORGANIC VOLATILE IMPURITY METHYLENE CHLORIDE (µG/G) | 600 MAX |
| ORGANIC VOLATILE IMPURITY TRICHLOROETHYLENE (µG/G) | 80 MAX |
| ASSAY GLC% | 99.5 MIN |
