Item

Index

Superior product

First-class product

Qualified product

Color (Pt-Co)       ≤

Density 20℃ (g/m³)

0.772-0.782

Purity %                  ≥

99.9

99.7

99.5

Benzene mg/kg                ≤

50

100

800

n-hexane mg/kg            ≤

200

500

800

Methylcyclohexane mg/kg        ≤

200

500

800

Methylcyclopentane mg/kg        ≤

150

400

800

Boiling range ℃ (0℃, 101.3kPa) ≤

1.0

1.5

2.0

Sulfur mg/kg                ≤

1

2

5

Non-volatile matter mg/100ml       ≤

1

5

10