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Undensified Silica Fume

Undensified Silica Fume, which is made from a large amount of highly volatile silicon monoxide gas produced during the smelting process, is rapidly oxidized with air and condensed into silica dust.

85% Undensified Silica Fume

92% Undensified Silica Fume

94% Undensified Silica Fume

96% Undensified Silica Fume

99% Undensified Silica Fume

Densified Silica Fume

Densified Silica Fume, is a further processing of the original micro-silica fume to obtain a denser encrypted micro-silica fume.

85% Densified Silica Fume

92% Densified Silica Fume

94% Densified Silica Fume

96% Densified Silica Fume

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Founded in 2001, HSA is a leading provider of Silica Fume in China, and also the premium source of high-performance Silica Fume products for concrete and refractory industries.
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