surface

A blue, viscous liquid

Pigment category

C. I. Pigment Blue 28

Cobalt aluminum spinel structure composite pigment

CAS registration mark

1345-16-0

EINECS Registration number

215-115-6

constitutional formula

_CoAL2O4

English name of chemical

Cobalt Blue

carrier

Polymer block polymer

Pigment content

50% (cobalt blue)

Oil absorption of pigment DBP

60

Pigment specific surface area

80

average grain diameter

1 micron (D50)

Weather resistance / grade

Grade 8 super weather resistant (over 20 years outdoors)

heat resistance /℃

> 1000 degrees (20 minutes)

Short time limit heat resistance

> 1000 degrees (5-10 minutes)

Lifetime heat tolerance

> 250 degrees

density

2.1g/cm³

Water-soluble salts

≤0.5

M str

≤0.5

Acrity/grade

5

Alkali resistance/grade

5

Oil permeability / grade

5

Water permeability / grade

5