Grade A
Používa sa pri výrobe gumy, keramiky, skla a ďalších výrobkov.
Špecifikácia:
| № | Test description | Test methods | Targets and Limits |
|---|---|---|---|
| 1 | Mass content of ZnO, %, min |
STO 76967236- 003-2010 |
98,0 |
| 2 | Mass content of PbO, %, max |
STO 76967236- 003-2010 |
0,1 |
| 3 | Mass content of metal Zn, %, max |
STO 76967236- 003-2010 |
0,04 |
| 4 | Mass content of unsolved residue in HCl, %, max |
STO 76967236- 003-2010 |
0,08 |
| 5 | Mass content of volatile substance, % max |
STO 76967236- 003-2010, ГОСТ 21119.1-75 sec. 2 |
0,3 |
| 6 | Mass content of water-soluble residue, %, max |
STO 76967236- 003-2010, GOST 21119.2-75 sec. 1 |
0,3 |
| 7 | Mass content of As, compounds evaluated in terms As2О3, % |
STO 76967236- 003-2010 |
not found |
| 8 | Reduce on sieve No.0063, %, max |
STO 76967236- 003-2010, GOST 21119.4-75 |
1,0 |
| 9 | Hiding power, g/m2, max |
STO 76967236- 003-2010, GOST 8784-75 sec. 1 |
140 |
| 10 | Whiteness in conventional units, min |
STO 76967236- 003-2010, GOST 16873-92 |
90 |
Balenie:
- Papierové vrecká s hmotnosťou 25 kg.
Iná hmotnosť balenia je k dispozícii na požiadanie.