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Jul 23 ,2015

CORRECTIVE MAINTENANCE AND RETROFITS

Silica fume

Silica fume

Silica fume Also called silica powder - also called micro silica or silica ultrafine powder - generally referred to silica fume. Silica fume is generated in smelting ferrosilicon and industrial silicon, SiO2 and Si gas and oxygen in the air rapidly oxidize and condense to form a kind of superfine silicon powder material.

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Pebble

Pebble

The building is divided into two kinds of gravel and gravel, on this basis, each is divided into three kinds of ordinary particles, needle shaped particles and flake particles.  

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Cement

Cement

Cement properties High strength Ordinary portland cement hydration reaction rate is fast, early and late strength is high. It can be used in cast in place concrete floor, beam, column, precast concrete members. Also can be used for prestressed concrete structure, high strength concrete engineering.

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Fly ash

Fly ash

Fly ash is a fine ash collected from the flue gas after combustion of coal, and fly ash is the main solid waste discharged from coal-fired power plants. Concrete mixed with fly ash in saving a large amount of cement and fine aggregate; reducing the water consumption; to improve the concrete mixture workability; reinforced concrete pumpability; reduce the creep of concrete; reduce the hydration heat, thermal expansion; improve the concrete impermeability; increase the modification of concrete. National standard: the use of high quality fly ash and high efficiency water reducing agent to produce high grade concrete of modern concrete technology is the rapid development of the country.

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Coating

Coating

Coating, it is coated on the surface of an object to be protected or decorated,it can form continuous film, is usually dominated by resin or oil or lotion, to add or not add pigment, filler, additives, formulated with organic solvents or water and viscous liquid.

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Paint

Paint

The paint is a coating made from raw materials such as iron oxide or resin, used for decoration and protection.

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