16Mar 2018 by admin
Silica fume as high-strength admixture in concrete industry

Silica fume as high-strength admixture in concrete industry

Blogs
The use of micro-silica fume as adulterating agent in the concrete industry is the earliest, most successful and widely used fields in the comprehensive utilization of micro-silica fume. Because microsilica has the characteristics of fine particles, large specific surface area, high purity of SiO2, strong volcanic ash activity and other…
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16Mar 2018 by admin
Microsilica for Alumina–Mullite Ceramic Composites

Microsilica for Alumina–Mullite Ceramic Composites

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Mullite(3Al2O3.2SiO2) is a ceramic material with high temperature stability, high temperature creep resistance, high temperature mechanical properties and excellent chemical stability, low temperature expansion and good electrical insulation. As high-temperature refractory material and composite materials, mullite is widely used in such fields as national defense, industry and civil use. The…
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07Mar 2018 by admin
95u grade microsilica factory

95u grade microsilica factory

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Microsilica 95 grade is dry silica fume available in two main forms: 95U, 95D. Microsilica Chemical composition and phtsical properties are regularly tested by SGS and international standards. Standards: American Society for Testing and Materials European Committee for Standardisation. 95u grade microsilica index items standard value: SiO2(Silicon Dioxide) Min. 95.0%…
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07Mar 2018 by admin

CE standard microsilica

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CE certification is a symbol of safety compliance rather than quality certification mark. It is the main requirement that forms the core of the European directives. CE standard microsilica: Microsilica , also called silica fume.it is a byproduct of producing silicon metal or ferrosilicon alloys. Silicon metal and alloys are…
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03Mar 2018 by admin
CSA standard microsilica in building concrete

CSA standard microsilica in building concrete

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CSA standard: CSA A5 – Portland Cement; CSA A8 – Masonry Cement; CSA A23.5 – Supplementary Cementing Materials; CSA A362 – Blended Hydraulic Cement; CSA A363 – Cementitious Hydraulic Slag; CSA A456.1 – Chemical Test Methods for Hydraulic Cement, Supplementary Cementing Materials, and Hydraulic Slag; CSA A456.2 – Physical Test…
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03Mar 2018 by admin
ASTM C1240 Silica Fume in Cementitious Mixtures

ASTM C1240 Silica Fume in Cementitious Mixtures

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ASTM Standards: C109/C109M Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube Specimens) C114 Test Methods for Chemical Analysis of Hydraulic Cement C125 Terminology Relating to Concrete and Concrete Aggregates C138 / C138M concrete density (unit weight), production and determination of gas content C135 Test…
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28Feb 2018 by admin

Density of microsilica

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The bulk density of silica fume depends on the degree of densification in the silo and varies from 130 (undensified) to 600kg/m3 (densified). The specific gravity of silica fume is generally in the range of 2.2 to 2.3. Condensed silica fume is essentially silicon dioxide in noncrystalline (amorphous) form. Since…
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24Feb 2018 by admin
Silica fume as fibre cement additive

Silica fume as fibre cement additive

Blogs
Microsilica, or silica fume, is an amorphous type of silica dust mostly collected in baghouse filters as by-product of the silicon and ferro-silicon production. Microsilica consists of spherical particles with an average particle size of 150 nm and a specific surface area of typically 20 m2/g. The chemical and physical…
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