|
Main products
Product name |
Characteristics |
Range of application |
Voluntary standards |
Packing |
B301
lithopone |
White pigment, zinc sulfate content is 28%. Hiding power is stronger than zinc oxide,lower than titanium dioxide,good heat endurance. |
Coating, paint producing, printing ink, plastic,rubber, paper making, enamel etc.. |
GB/T1707-1995 |
Plastic weaving bag with polyethylene liner or paper bag,50kg or 25kg per bag. |
B302
lithopone |
White pigment, zinc sulfate content is 28%. Dispersancy is better than B301 after surface preparation. |
Coating, paint producing, printing ink, plastic, rubber, paper making etc.. |
GB/T1707-1995 |
Plastic weaving bag with polyethylene liner or paper bag,50kg or 25kg per bag. |
B311
lithopone |
White pigment,zinc sulfate content is 30%. Stronger hiding power and reducing power than B301. Better dispersancy. |
Coating, paint producing, printing ink, plastic,rubber, paper making, enamel etc.. |
GB/T1707-1995 |
Plastic weaving bag with polyethylene liner or paper bag,50kg or 25kg per bag. |
Lithopone national standard GB/T1707-1995
Item |
Index |
B301 |
B302 |
B311 |
Top grade |
First grade |
Qualified products |
Top grade |
First grade |
Qualified products |
Top grade |
First grade |
Qualified products |
| Sumtotal of zinc(base on zinc sulfate and barium sulfate %(m/m)≥ |
99
|
99
|
99
|
| Total zinc amount(base on zinc sulfate)%(m/m)≥ |
28
|
28
|
30
|
| Zinc oxide,%(m/m) ≤ |
0.6 |
0.8 |
1 |
0.3 |
0.3 |
0.5 |
0.3 |
0.3 |
0.5 |
| 105°C volatile%(m/m)≤ |
0.3 |
0.3 |
0.5 |
0.3 |
0.3 |
0.5 |
0.3 |
0.3 |
0.5 |
| After Soluble in water%(m/m)≤ |
0.4 |
0.5 |
0.5 |
0.4 |
0.5 |
0.5 |
0.3 |
0.4 |
0.5 |
| Residue on sieve (63um sieve pore) %(m/m)≤ |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
| Color(compare with standard sample) |
Exc-
elled |
Approx-
imately |
slight poorer |
Exc-
elled |
Approx-
imately |
slight poorer |
Exc-
elled |
Approx-
imately |
slight poorer |
| Water extraction alkaline hardness |
Neutral |
Oil absorption,
g/100g≤ |
14 |
11 |
10 |
| Reducing power(compare with standard sample),%≥ |
105 |
100 |
95 |
105 |
100 |
95 |
105 |
100 |
95 |
| Hiding power(contrast ratio) |
Not lower than 5% of standard sample |
 |
lithopone series products |
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