Index Name

Super Grade

Grade A

Grade B

Clroma (Pt-Co)≤

5

10

15

Density (20-4°C)

1.270

1.270

1.270

Glyoxal %≤

40±0.5%

40±0.5%

40±0.5%

Glycol %≤

1.0

1.2

1.5

Formaldehyde≤

0.05

0.10

0.15

Total acid (base on formic acid)%≤

0.10

0.15

0.18