Lithopone
GB/T 1707-1995, China national standard |
Item |
B301 |
B311 |
premium grade |
grade A |
regular grade |
premium grade |
grade A |
regular grade |
sum of Zn & Ba, %, no less
|
99 |
99 |
|
28 |
30 |
|
0.6 |
0.8 |
1.0 |
0.3 |
0.3 |
0.5 |
volatile substance, 105ˇăC, %, no more
|
0.3 |
0.3 |
0.5 |
0.3 |
0.3 |
0.5 |
water soluble salts, %, no more
|
0.4 |
0.5 |
0.5 |
0.3 |
0.4 |
0.5 |
screening residue (63micron), %, no more
|
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
color, compared with std. sample
|
better |
close |
slightly poorer |
better |
close |
slightly poorer |
|
neutral |
neutral |
oil absorption, %, no more
|
14 |
10 |
covering power %, no less
|
105 |
100 |
95 |
105 |
100 |
95 |
|
within 5% of std. sample (abs. diff.) |
Packing: In P/P woven bags with P/E liner of 25/50 kgs net each. |
