Powder silica fume (densified) for high performance concrete
BATIMIX Silica Fume 710 is a powder silica fume mineral additive used to produce high performance concrete. It is available in two forms: BATIMIX Silica Fume 710 U (i.e. Undensified), with bulk density typically of 200 ~ 350 kg/m³ and BATIMIX Silica Fume 710 D (i.e. Densified), with bulk density typically of 450 ~ 700 kg/m³.
When added to the concrete mix, the ultra-fine particles of BATIMIX Silica Fume 710 D significantly improve the particle packing by physically filling the voids in the cement paste. This leads to a more densified concrete skeleton with reduced levels of bleeding. On the other hand, this product reacts chemically with the calcium hydroxide present in the cement paste, yielding a calcium silicate hydrate gel that significantly enhances strength, water/chloride impermeability, and durability.
BATIMIX Silica Fume 710 D can be incorporated in a wide variety of high strength and specialty concrete mixtures such as underwater, shotcrete, self-consolidating, and pre-stressed. In the design stage, it constitutes an ideal alternative to improve strength and reduce sizing of structural sections such as columns, retaining walls, bridges, dams, and marine structures.
Concrete prepared with BATIMIX Silica Fume 710 D is characterized by the following:
In the plastic state:
• Better cohesiveness with less bleeding and segregation
• Improved pumpability of concrete
In the hardened state:
• Increased compressive and flexural strengths at all ages
• Greatly reduced permeability against water and aggressive chemicals
• Increased resistance to abrasion and erosion
• Improved concrete durability and better surface quality
Grey powder
BATIMIX Silica Fume 710 D is not a hazardous material. However, it should not be breathed or allowed to come into contact with skin and eyes. Suitable gloves and goggles should be worn. For additional information, kindly refer to the product’s Material Safety Data Sheet.
ReferenceMS-PR-5547