Specifications
casting materials1used in precision casting industry
2used in paper making industry
3big specific surface area
Qingdao FSK foundry Material Co.,Ltd is the main manufacturer of colloidal silica in mainland China. Since the product is produced from simple silicon, it exhibits excellent qualities including low impurity, high diaphaneity, well-proportioned granularity, and compact configuration.
There are nine kinds of colloidal silica in our company; 33 varieties altogether, which are shown below:
Kinds | Varieties | ||||
Na-stabilizer | JN-10 | JN -15 | JN -20 | JN -25 | JN -30 |
NH3-stabilizer | NS-10 | NS-15 | NS-20 | NS-25 | NS-30 |
Acidic | SW-20 | SW-25 | SW-30 |
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Neutral | ZS-20 | ZS-25 | ZS-30 |
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Packing Storage
Colloidal silica is packed in 25kg or 250kg plastic drums.
Store the colloidal silica at a temperature between 0 and 50, avoid exposure to the air, and insulate it from the sun.
Wash the empty drums as quickly as possible to avoid SiO2 crystalline deposits.
If you want to remove the deposition from empty drums, use a 10-percent NaOH solution at 50~60