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Home  » Product » Anti Corrosive Chrome Pigments

Anti Corrosive Chrome Pigments

ORIGIN : INDIA

PACKAGING : 25 KG BAGS

INTRODUCTION
Zinc Chromate & Zinc Tetroxy Chromate are corrosion resistant agents that are added to certain coatings. Chromate finishes including Zinc Chromate provide superior corrosion resistance. Additionally, Zinc Chromate is highly toxic thus protecting the surface from proliferation of organic matter.

Anti Corrosive Chrome Pigments
END APPLICATION
  • Primers based on Zinc Chromate are used as first coats in any Anti-Corrosive Painting system.
  • Zinc chromate is used as rust- and corrosion-resistant pigment in paints, varnishes and oil colors. It is used in solvent and vinyl based wash primer wash primers, metal conditioners or in aluminium flake coatings, either alone or in combination with strontium chromate (water based wash primer).
  • Zinc Tetroxy Chromate is used in Printing inks, Protective coating, Synthetic enamel.
  • Zinc Tetroxy Chromate is a specialized pigment and is meant for use in Wash/Etch Primer coatings

SPECIALITY
  • Primers based on this pigment impart very good bonding properties to subsequent Coats. As compared to Zinc Yellow, Zinc Tetroxy Chromate is reactive to a lesser extent with acidic vehicles. Its Zinc Oxide component makes it basic in character, which further contributes to corrosion inhibition by reaction with acidic materials in the film. Low solubility type relatively free from soluble Chlorides and Sulphates is intended for use in the metal primers.
  • Zinc Tetroxy Chromate which offer excellent adhesion to paint systems on non-ferrous metals like tin, aluminium and galvanized iron substrates.
INFORMATION GIVEN ABOVE IS PROVIDED BY OUR EACH PRINCIPLE.


TECHNICAL DATA SHEET
ZINC CHROME
Physical ConstantsSpecificationTest Methods
AppearanceGreenish yellow powder
DE*1.3VX/FP/001
DL*± 0.7VX/FP/001
DC* Chroma± 0.7VX/FP/001
DH* Hue± 0.8VX/FP/001
Colour Strength Equivalent (Colibri)100 ± 5VX/FP/001
OdourOdourlessISI STD No 33-1976.
Bulk Density0.6 - 0.8ISI STD No 33-1976.
Oil absorption16 - 21ISI STD No 33-1976.
pH in Water5.5 - 7.0ISI STD No 33-1976.
Avg particle size10 - 15 micronsISI STD No 33-1976.
Residue on 240 mesh sieve0.5 % (Max)ISI STD No 33-1976.
Light FastnessFull tone: 7 / Reduction: 7ISI STD No 33-1976.
Weather Resistance7ISI STD No 33-1976.
Acid ResistanceVery poorISI STD No 33-1976.
Alkali ResistancePoorISI STD No 33-1976.
Solvent ResistanceExcellentISI STD No 33-1976.
Loss on ignitionNAISI STD No 33-1976.
Mositure content1.0%ISI STD No 33-1976.
HardnessSoft materialISI STD No 33-1976.
Heat Resistance150º for 20 minsISI STD No 33-1976.
Chemicals ConstantsSpecificationTest Methods
ZnO content in %36.5 - 40.0ISI STD No 33-1976.
CrO3 content in %43 % (Min)ISI STD No 33-1976.
K2O content in %10 % (Min)ISI STD No 33-1976.
Water soluble chloride0.1 % (Max)ISI STD No 33-1976.
Water soluble chromate0.5 % (Max)ISI STD No 33-1976.
Insoluble in ammonical ammonia soln.0.5 % (Max)ISI STD No 33-1976.
Light Fastness Scale: 1 + Very Low TO 8 = Excellent.

Permission variation compared to standard, full shade and 1:1 standard depth of shade. Tested in Alkyd Melamine.



ZINC TETROXY CHROMATE
Physical ConstantsSpecificationTest Methods
AppearanceGreenish yellow powder
DE*1.3VX/FP/001
DL*± 0.7VX/FP/001
DC* Chroma± 0.7VX/FP/001
DH* Hue± 0.8VX/FP/001
Colour Strength Equivalent (Colibri)100 ± 5VX/FP/001
OdourOdourlessISI STD No 33-1976.
Bulk Density0.6 - 0.9ISI STD No 33-1976.
Oil absorption50 (+/-) 5 % W/wISI STD No 33-1976.
pH in Water6.0 - 7.0ISI STD No 33-1976.
Avg particle size10 - 15 micronsISI STD No 33-1976.
Residue on 240 mesh sieve0.5 % (Max)ISI STD No 33-1976.
Light FastnessFull tone: 7 / Reduction: 7ISI STD No 33-1976.
Weather Resistance7ISI STD No 33-1976.
Acid ResistanceVery poorISI STD No 33-1976.
Alkali ResistancePoorISI STD No 33-1976.
Solvent ResistanceExcellentISI STD No 33-1976.
Loss on ignitionNAISI STD No 33-1976.
Mositure content0.5%ISI STD No 33-1976.
HardnessSoft materialISI STD No 33-1976.
Heat Resistance150º for 20 minsISI STD No 33-1976.
Chemicals ConstantsSpecificationTest Methods
ZnO content in %68.5- 72.0ISI STD No 33-1976.
CrO3 content in %17% (Min)ISI STD No 33-1976.
Water soluble chloride0.1 % (Max)ISI STD No 33-1976.
Water soluble chromate0.4 % (Max)ISI STD No 33-1976.
Insoluble in ammonical ammonia soln.0.5 % (Max)ISI STD No 33-1976.
Light Fastness Scale: 1 + Very Low TO 8 = Excellent.

Permission variation compared to standard, full shade and 1:1 standard depth of shade. Tested in Alkyd Melamine.

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