Ranbar I0330 Copper Chrome Black Pigment - Pigment Black 28

Color index number: Pigment Black 28

C.I. Structure No.: 77428

CAS registration number: 68186-91-4

Chemical composition: Copper/chromium/manganese oxide (Cu-Cr-Mn-O)

Pigment type: CICP composite inorganic pigment

Crystal structure: Spinel

Product appearance: black powder

Performance parameters:

Physical data	fastness data
Density: 5.2-5.4g/cm³	Lightfastness: 8 grade (1-8) blue wool ruler
Oil absorption: 14-20g/100g	Weather resistance: Grade 5 (1-5) grayscale
Water soluble matter content：≤1.0%	Temperature resistance：800℃
Water content: ≤1.0%	Acid resistance: Grade 5 (1-5)
PH acidity: 6.0-8.0	alkaline resistance: Grade 5 (1-5)
45-micron sieve residue: ≤0.5%	Solvent resistance: Grade 5 (1-5)
Average particle size: 1.2μm	Cement resistance: Grade 5 (1-5)
Electrical conductivity: <200us/cm

Product Description:
Ranbar Black I0330 copper-chromium black is a black composite inorganic pigment synthesized by the solid phase reaction under high-temperature calcination after mixing copper/chromium/manganese oxide, pigment black 28, it is opaque high coverage, stable structure, a very deep blue-black tone, provides excellent chemical stability and color stability, has environmental protection non-toxic, high-temperature resistance, light and weather resistance, acid, and alkali resistance, solvent resistance, no migration, no bleeding, solvent resistant, no migration, no color bleeding, easy to disperse, no warping or shrinking and many other advantages.

Product applications:
Coatings: exterior wall coatings, fluorocarbon coatings, industrial coatings, automotive coatings, decorative coatings, camouflage coatings, powder coatings, aerospace, and marine coatings, etc;

Plastics: high-temperature resistant engineering plastics, special plastics, color masterbatches, etc;

Others: colored sand, concrete, various construction materials, colored glass, ceramics, enamelware, etc.