bio propylene glycol

Test Specification Limits Typical Values

1. Appearance: Transparent liquid Pass

2. Assay: 98.5% minimum 99.10%

3. Color (APHA): 10 maximum 5

4. Density: 1.030-1.040 g/ml 1.036

5. Acidity: 0.005% maximum 0.001%

6. Moisture: 0.5% maximum 0.03%

7. Chlorides as CI: 70 ppm maximum Pass

8. Heavy metals: 5.0 ppm maximum Pass

9. Ethylene Glycol 0.10% maximum 0.00%

10. 1,2 Butanediol 0.50% maximum 0.31%

11. 2,3 Butanediol 0.50% maximum 0.23%