In jumbo bags of 900kg/bag or 20KG/BAG, 300KG/BAG.
microsilica for concrete/refractory 1) high quality silica sand 2) factory price 3) fast delivery, prompt reply 4) stable supply
Microsilica for Concrete/Refractory
Microsilica is a byproduct of producing silicon metal or ferrosilicon alloys.It consists primarily of amorphous silicon dioxide (SiO2),its average granule diameter is 0.15~0.20 μm,specific surface area is 15000~20000 m2/kg.Mainly used for high transparency, high resistance to tear silicone rubber, silicone grease, sealed packaging materials such as capacitors.
Very low permeability to chloride and water intrusion.
Extremely high electrical resistivity (20 to 100 times greater than ordinary concrete).
Increased abrasion resistance on decks, floors, highways and marine structures.
Superior resistance to chemical attack from chlorides, acids, nitrates and sulfates.
K2O+ Na2O (%)
Loss on Ignition (L.O.I) @975OC (%)
Packaging & Shipping
900 KG/JUMBO BAG, 25 KG/BAG
within 10 days after confirming the order
Shanghai Topken Silica Fume Co., Ltd. is a special company engaged in Silica Fume . We mainly invest a lot in Ferro Silicon and Silicon Metal production line for manufacturing silica fume and densification lines. Topken has six bases in different places in China. Now our production capability is over 2500MT per month.
We have good cooperative relationship with Chinese Building Material Academy and Shanghai Building Material Research Institute in application technology. When our products are used in an engineering project, we could supply technical support to our customer.
TOPKEN is one of the most famous brands in China, and even in Asia. Topken is now a main producer and supplier in Chinese important engineering, such as Shanghai East Sea Bridge, Tianjin (Xingang) Harbor, Gezhouba Dam, and Yellow River Engineering. In recent years, we have continuously exported products to Japan, Korea, the UAE and the Middle East. We are continuously exporting Silica Fume to Dubai, Doha, and Jeddah.
1.Q: Are you a factory or trading company? A:We are a factory with export license
2.Q:Where is your factory located? A:Our factory is located in Shanghai, China.All our clients, from home or abroad, are warmly welcome to visit us!