Molecular Formulas as following :
Lemon Chromate : 2.5PbCrO 4 PbSO 4 +xAl(OH) 3 +yAlPO 4
Light Chromate : 3.2PbCrO 4 PbSO 4 +xAl(OH) 3 +yAlPO 4
Neutral Chromate : PbCrO 4 +xAl(OH) 3
Dark Chromate : PbCrO 4 +xAl(OH) 3
Orange Chromate : PbCrO 4 +xAl(OH) 3
Characters : Lead Chromate is a kind of bright-coloured yellow pigment with advantages of strong overspreading ability strong tinting strength, resistance to solvent and heat, grinding dispersing easily. Meeting Hydrogen Sulphide in changes into black.
Item |
Technic Index |
|
Lemon Chromate |
Light Chromate |
Neutral Chromate |
Dark Chromate |
Orange Chromate |
Colour |
Similar to standard sample |
Similar to standard sample |
Similar to standard sample |
Similar to standard sample |
Similar to standard sample |
Tinting Strength ¡Ý |
95 £¥ |
95 £¥ |
95 £¥ |
95 £¥ |
95 £¥ |
Lend Chromate ¡Ý |
55 £¥ |
48 £¥ |
90 £¥ |
85 £¥ |
55 £¥ |
Hiding Power g/m 2 |
95 |
60 |
55 |
45 |
45 |
Matter soluble in water ¡Ü %(m/m) |
1.0 |
1.0 |
1.0 |
1.0 |
1.0 |
Matter soluble at 105 0 C ¡Ü (m/m)
|
2.5 |
1.5 |
1.0 |
1.0 |
1.0 |
Acid value (Draw Wa tax) ¡Ü |
4 £ 8 |
4 £ 8 |
4 £ 8 |
4 £ 8 |
4 £ 8 |
Oil sbsorption value (g/ 100g ) ¡Ü |
25 |
25 |
22 |
20 |
15 |
Residue on sieve |
0.5 £¥ |
0.5 £¥ |
0.5 £¥ |
0.5 £¥ |
0.5 £¥ |
Chrome oxide green
Chrome oxide green yellow grade
Character: Green powder with strong coloring stength and good dispersion .
Usage: specilized in paint and coating making
Items |
Specifications |
Cr 2 O 3 Content % |
98.0 min |
Moisture % |
0.20 max |
Water soluble matter % |
0.30 max |
Oil absorption % |
15-20g/100g |
Tinting strength % |
100+/-5 |
Residue on 600 mesh % |
0.30 max |
Color/Appearance |
yellow dish Green powder |
Chrome oxide green pigment grade
Formula: Cr 2 O 3
Character: Green powder with strong coloring stength and covering strength.
Applications: Plastic pigment,ceramic-glaze making,glass pigment,building, colorants,printing-ink
Items |
Specifications |
Cr 2 O 3 Content % |
99.0 min |
Moisture % |
0.20 max |
Water soluble matter % |
0.3 max |
Oil absorption % |
15-25g/100g |
Tinting strength % |
100+/-5 |
PH Value% |
6-8 max |
Residue on 325 mesh) % |
0.20 max |
Color/Appearance |
Green powder |