C.I. Pigment Black 28 CAS NO.68186-91-4

Pigment Black 28 (Copper Chromite Black Spinel ) is a Copper Chromite Black Pigment. It has excellent chemical resistance, outdoor durability, light-f…

Pigment Black 28 (Copper Chromite Black Spinel ) is a Copper Chromite Black Pigment. It has excellent chemical resistance, outdoor durability, light-fastness, heat stability and is non-bleeding and non migratory. Suggested applications include RPVC, Polyolefins, Engineering Resins, Paints and Coatings including General Industrial, Coil and Extrusion coatings, etc. It is also recommended for use in High Temperature coatings based on Silicone. Name: Copper Chromium Black (Pigment Black 28) C.I No.: 77428 Chemical Composition: Co-Cr-O Appearance: black powder Oil Absorption(%):18-22 Heat resistance: 1000 degrees Particle size (μm):1.5 Light fastness (grade) : 8 Density (g/m3): 5.3 - 5.6 Weather resistance (grade): 7 - 8 PH: 8.1 Performance Characteristics: Excellent heat resistance Easy to disperse Excellent Chemical resistance Non-bleeding Non-migratory Excellent light fastness and outdoor durability Excellent hiding power Well-suited for major solid and flexible PVC Non-toxic Applications: Ceramics Enamels long - effect coatings Engineering plastics Solid plastics for outside manufacturing Silicon high temperature coatings Color master batch Plastic ware High-performance industrial coating Coil & Extrusion coating Powder coating High-temperature resistance paints Traffic paints manufacturing Outside architectural coating Automobile paintsComplex Inorganic Colored Pigments(CICP) 1) Heat resistance 1000'C 2) Light fastness Grade 8 3) Weather resistance Grade C I Pigment Black 28 (Copper Chromite Black Spinel) AdvantagesHigh-temperature resistance, High light fastness resistance, Acid resistance, Alkali resistance, Weather resistance, Easy to disperse, Non-migration, Non-bleeding.RegulationsCompliant to EU RoHS 2002/95/EC Compliant to EN71Part 31994 (A12000/AC2002)Compliant to US FDA 21 CFR 177.1520Compliant to ASTM F963-08 (Clause 4.3.5)Compliant the REACH . A. Products informationChemical Name Copper Chromite Black SpinelColor ComC I Pigment Black 28 1.Environmental Protection Inorganic Pigments2.High tinting strength 3.Excellent heat resistance AdvantagesHigh-temperature resistance, High light fastness resistance, Acid resistance,Alkali resistance, Weather resistance, Easy to disperse, Non-migration, Non-bleeding.RegulationsCompliant to EU RoHS 2002/95/ECCompliant to EN71Part 31994 (A12000/AC2002)Compliant to US FDA 21 CFR 177.1520Compliant to ASTM F963-08 (Clause 4.3.5)Compliant to REACH 1. Product InformationChemical Name                Copper Chromite Black SpinelChemical Composition      Cu/Cr/Fe OxideColor Index Name             Pigment Black 28 / P. Blk.28Color Index Number          77428CAS Number                    68186-91-4Physical Form                  Black PowderCrystal Pattern                 Spinel Pattern 2. Product CharacteristicsPigment Black 28 is one kinds of environmental protection inorganic pigments, which is internationally recognized as non-toxic pigments.It has excellent heat resistance, weather resistance, lightfastness, chemical resistance, as well as good hiding power. 3. ApplicationsIt is mainly used in high temperature (resistant) coatings, ceramic, enamel, coil coatings, long-lasting coatings, glass coloring, high temperature resistance engineering plastics and food contact plastics, as well as art paint , etc. 4. Main Technical DataHeat Resistance ≥1000°C Light Resisrtance(Grade 1-8) 8 Weather Resisrance(Grade 1-5) 5Acid Resistance(Grade 1-5) 5Alkali Resistance(Grade 1-5) 5Oil Absorption 12-22 g/100g Density 4.8-5.6 g/cm3 PH 6-8 Mean Particle Size 1.5-2.5 µm