The synthesis of White seal zinc oxide
White seal zinc oxide is a synthetic white inorganic pigment, which is a zinc oxide obtained from high-quality zinc waste (hard zinc, dross).
The product of the White seal brand is used for the production of rubber products with high quality indicators, ceramic products (in the production of ceramic frit) and chemical products.
It’s one of the highest quality products in the product range. The product is available in powder form.
Packaging, marking, transportation and storage are made in paper bags and soft containers in accordance with the packaging required by the Buyer.
All products are delivered on wooden or plastic pallets.
The warranty period of storage is 12 months from the date of manufacture.
Cas No1314-13-2/EINECS No215-222-5
PHYSICAL AND CHEMICAL INDICATORS
Zinc oxide White seal
|#||Name of indicators||Test method||Targets and Limits|
|1||Mass content of ZnO, %||DIN 55908||99,7|
|2||Mass content of Lead, %||ASTM D4075
|3||Mass content of Cadmium, %, max||ASTM D4075
|4||Mass content of Copper, %, max||ASTM D4075
|5||Mass content of Manganese, %, max||ASTM D4075
|6||Mass content of Iron, %, max||DIN 55908||0,03|
|7||Loss at 105℃, %, max||ASTM D280||0,2|
|8||Sieve residue 325 Mesh, %, max||ASTM D4315||0,1|
|9||Mass content of unsolved residue in HCl, %, max||DIN 55908||0,05|
|10||Mass content of water-soluble residue, %, max||DIN 55908||0,06|
|11||Specific surface (BET), m2/g||ISO 18852
|4,0 - 6,0|
|12||Bulk dencity, g/l||ASTM D7481-09||450 ± 100|
- Paper bag 25kg net
- Big bag 500-1000 kg net
- Store in clean and dry areas (by MSDS)
- Shelf life is 12 month