Index name

Value

Top grade

Appearance

transparent oily liquid

Color(APHA)≤

30-40

Ester %

99.5

Acidity (benzene dicarbonic acid)g/cm³

0.02-0.13

Loss on dry (125^oC24hr)%≤

5.5

Flash point(open)^oC ≥

180-190

Sg D³⁰_MD

1.12-1.14

volume resistivity Ω·m≥

1-2.2*10¹¹

heat stabilization period

53 minutes