Item

Premium

1

2

3

4

5

Lunatia

Yellow

Yellow

Dark yellow

Yellow Brown

HUANG Hong

Pine color grade glass standards in line with the requirements of shades of gray

Appearance

Transparent solid

Softening point (Universal France) ℃, not less than

76

75

74

Acid value (mgKOH / g), not less than

166

165

164

Unsaponifiable matter content (%), not more than

5

5

5

Ethanol-insoluble matter (%), not more than

0.03

0.03

0.04

Ash (%), not more than

0.02

0.03

0.04