Sunward1
https://www.tjsunward.com/products/microsilica-silica-fume/
Microsilica (Silica Fume)
Your Trusted Micro Silica Supplier: Competitive Prices & Fast Worldwide Delivery
Micro silica, also called silica fume, is a byproduct of silicon metal and ferrosilicon production. Composed primarily of amorphous (non-crystalline) silicon dioxide (SiO₂), micro silica cement is incredibly fine, with an average particle size of 0.10~0.20μm (micron) and a remarkable surface area of 15000~27000 m²/kg. This unique structure is why micro silica is highly prized in construction - it has robust surface activity.
Since 2008, Tianjin Sunward has been a reliable microsilica supplier, offering premium-grade microsilica (silica fume) that complies with international standards, including ASTM C 1240, AS/NZS 3582.3:2016, EN 13263:2005, and JIS A 6207:2006.
We ensure unmatched consistency in microsilica for concrete by setting up proprietary collection systems at major silicon metal and ferrosilicon factories. Our fully automated, closed-loop densifying and filling processes eliminate contamination, delivering pure, high-performance microsilica. With a 5000 m² warehouse near Tianjin Xingang and Shanghai Port, we guarantee fast shipments and bulk deliveries of microsilica.