Standard Silica Dealers in Andheri East, Mumbai

• Brand/ Product CEMGUARD® Microsilica (Silica Fume)  Densified and Undensified: Standard ASTM C1240  EN 13263  IS 15388
• Supply Capacity 100,000 TPA: Packing Big Bags, Small Bags, Bulk
• Shipment Containerized  Break-Bulk  Bulk (Road): Ships In Export: 18-21 days  Local: 2-4

CEMGUARD® Microsilica (Silica Fume) is a by-product of producing silicon metal or ferrosilicon alloys in smelters using electric arc furnaces. It is a grey coloured powder, pozzolanic in nature. It is sourced from a single, dedicated factory in China and produced under strict quality control to maintain the highest levels of product consistency, and ensure minimum standard deviation. In concrete, it fills the space between cement grains - commonly referred to as particle packing or micro-filling. It also reacts with the calcium hydroxide from cement to form an additional binder called calcium silicate hydrate. Both these effects enhance the physical and chemical properties of concrete. CEMGUARD® Microsilica is available in two dry powder forms - densified and undensified. Densified Microsilica is most popularly used in concrete construction. It is produced by tumbling undensified Microsilica particles in a silo, to form agglomerates with bulk densities between 500-700 KG/m3. Undensified Microsilica (bulk density between 200-350 KG/m3) is only used in specialized applications as it is not economical to transport because of its low bulk density. Quality-controlled and consistent Microsilica with uniform colour, and sourced from a single, dedicated factory is the key to maximizing its value in various applications. The production facilities of CEMGUARD® Microsilica have an in-house laboratory for testing of key parameters such as retention over SiO2 content, loss-on-ignition and moisture as per standard codes, while bulk density is controlled during the densification process. CEMGUARD® Microsilica has unique properties that benefit both fresh and hardened concrete. Its key advantages include increased strength and durability as well as enhanced rheology of concrete. CEMGUARD® Microsilica can be used in concrete in two ways - as an addition (generally 8-15% by mass of cement) to enhance properties of the fresh and/or hardened concrete or as a partial cement replacement (5-10% by mass of cement) to maintain the 28-day compressive strength at lower cement content (with associated environmental benefits) while reducing the heat of hydration and improving durability. Applications of CEMGUARD® Microsilica encompass shotcrete, high-strength & very high strength concrete, triple blend with fly ash, low-heat concrete, tunnels, marine & coastal, tall buildings, dams, floors & pavements, mortars & grouts and self-compacting concrete. It is also used to reduce cost of construction.

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