Specification of pigment phthalocyanine beta blue(15:3)
Comparative properties and uses


Chemical class : copper phthalocyanine blue(beta modification)
Colour index name : pigment blue 15:3
Colour index no. : 74160
Molecular weight : 576
Cas no. : 147-14-8
Molecular formula : c32h18cun8

Physical properties

Oil absorption(ml/100gms) : 45+1
Bulk density : 0.30+0.02 gms/cc
Specific gravity(20 c) : 1.50-1.54
Solubility in water : maximum 1%
Residue on 300 mesh-sieve : nil
Moisture content : maximum 1%
Ph of 10%aq. Slurry :7.0-8.0
Heat stability: stable up to 225oc(as per application)
Dispersibility : excellent

Fastness properties(1-5 scale:1 =poor,5=excellent)

Water : 5 toluene : 5
Ethanol : 5 mek : 5
Butanol : 5 turpentine : 4-5
Acetone : 5 soap : 5
Butyl acetate : 4-5 wax : 4
Ortho-xylene : 3-4 alkalies naoh : 5
Methanol : 4-5 acids(hcl) : 5
Cello salt : 5 sterilization : 5

Oil/plasticizer (1-8 scale:1= poor,8=excellent)

Linseed oil : 8 dop : 8
Caster oil :8 dbp :8
Dco :8 light fastness :8

Applications

Pigment suitable letter press ink, gravure ink, offset inks, metal decorating ink, silk screen ink, air drying& decorative paints, water base paints, flexo-graphic inks, plastic application, paint emulsion.

The above specification is representing general idea of the report however same is subject to variation up to certain extent, since this is been pigment, automatic action& reaction is very natural even test pack of the materials and same is depending on natural weather too.