|
 Products
White carbon(precipitation method)
1. Product name: White carbon, also named silica hydrated white carbon black
2. Property: Main composition is SiO2, molecular formula is SiO2nH2O, it is white and light, particle size is less than 0.0003cm, m.p. is 1750 °C, highly insulative, insoluble in water or acids, soluble in caustic soda and hydrofluoric acid, won't be decomposed in high temperature.
3. Use: As filler of rubbers, plastics, coatings, paints and synthetic resins; lapping agent or metals; or used in the manufacture of film release agent and white pigments etc.
4. Quality: Meet the requirements of GB1057-89
SiO 2 % |
Residue on sieve
45um |
Heating loss % |
Loss on ignition %
|
PH-value
|
Total copper content
mg/kg |
Total manganese content
mg/kg |
Total iron content
mg/kg |
DBP absorption value
Cm 8/g |
> 90 |
<0.5 |
4-8 |
<7 |
5.8 |
< 80 |
< 50 |
< 1000 |
2-3.5 |
5. Storage & packing: It is non-toxic and harmless, non-inflammable and non-explosive; net weight is 20 kg, packed in woven bag with plastic lining; avoid moisture.
|
