IRON OXIDE RED PIGMENTS
Testing Item
First Grade
Pass
Company
Testing method
Fe2O3(dry at 105)%
95
90
95
ISO DIS1248
Volatile matter at 105
1.0
1.5
0.8
ISO787
Soluble matter in water
0.3
0.5
0.25
ISO787
Soluble chlorates and sulfates in water(indicating as Cl-&SO4-)
0.2
0.3
0.2
ISO787
Sieve residue(63m mesh)
0.3
0.5
0.2
ISO787
PH value of aqueous suspension
5-7
5-7
5-7
ISO787
Oil absorption
15-25
15-25
15-25
ISO787
Color comparison(to be compared to standard specimen)
Nearly-nil
approx
nil
ISO787
Relative tinting strength(to be compared to standard specimen)
95
90
95
ISO787
Constituent : -Fe2O3 C.I.77491
Appearance: red powder, specific weight:4.9,
Characteristic: vivid, high dye fastness, good dispersion, no toxic, light resistant:7, heat resistance, wearable resistance, acid resistance, resistance to weathering.
Adapt to:paint, rubber, dope, plastic, cement, glass,constructional material, paper, polishing.
Constructional material:slurry in cement wallbase,cement tile,cement brick,color ground brick etc.
Type: H101,H102,H103,H104,190,811,Y101


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