surface

Black, viscous liquid

Pigment category

C. I. Pigment Black 27

Cobalt chromium black composite pigment

Medium magnetism can be used as electromagnetic shielding material

CAS registration mark

not have

EINECS Registration number

not have

constitutional formula

_CoFeCrO4

English name of chemical

Iron Cobalt chromite Black Spinel

carrier

Polymer block polymer

Pigment content

50% (cobalt black)

Oil absorption of pigment DBP

90

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

2.6g/cm³

Water-soluble salts

≤0.5

M str

≤0.5

Austenite/grade

5

Alkali resistance / grade

5

Oil permeability / grade

5

Water permeability / grade

5