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AP-3

AP-3 is used directly to road pavement and have specific of high adhesion, water-proofing, electric insulation, plasticity and especially, extensive of viscosity and ductility, excellent of temperature susceptibility.

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AP-5

AP-5 is used directly to road pavement and have specific of high adhesion, water-proofing, electric insulation, plasticity and especially, extensive of viscosity and ductility, excellent of temperature susceptibility.

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Iron

Iron is a metal in the first transition series. It is the most common element in the whole planet Earth, forming much of Earth's outer and inner core, and it is the fourth most common element in the Earth's crust. Iron plays an important role in biology, forming complexes with molecular oxygen in hemoglobin and myoglobin; these two compounds are common oxygen transport proteins in vertebrates. It is also used at the active site of many important redox enzymes dealing with cellular respiration and oxidation and reduction in plants and animals. Iron is the most widely used of all the metals. It is used for the construction of machinery and machine tools, automobiles, the hulls of large ships, and structural components for buildings. Since pure iron is quite soft, it is most commonly used in the form of steel. Iron catalysts are traditionally used in the Haber-Bosch Process for the production of ammonia and the Fischer-Tropsch process for conversion of carbon monoxide to hydrocarbons for fuels and lubricants. Powdered iron in an acidic solvent was used in the Bechamp reduction the reduction of nitrobenzene to aniline. Iron(III) chloride finds use in water purification and sewage treatment, in the dyeing of cloth, as a coloring agent in paints, as an additive in animal feed, and as an etchant for copper in the manufacture of printed circuit boards. Iron(II) sulfate is used as a precursor to other iron compounds. It is also used to reduce chromate in cement. It is also used to fortify foods and treat iron deficiency anemia.

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Lead

Lead is a main-group element. It is also counted as one of the heavy metals. It is used in building construction, lead-acid batteries, bullets and shots, weights, as part of solders, pewters, fusible alloys and as a radiation shield. It is also used as electrodes in the process of electrolysis. Lead compounds are used as a coloring element in ceramic glazes, notably in the colors red and yellow. It is frequently used in polyvinyl chloride plastic, which coats electrical cords. Lead, at certain exposure levels, is a poisonous substance to animals. It damages the nervous system and causes brain disorders. Excessive lead also causes blood disorders in mammals. It is restricted under the RoHS directive.

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BC 12

BC 12 is a liquid vinsol resin air-entraining admixture, designed to produce microscopic air bubbles in concrete mixes.

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BC 40

BC 40 is a new generation of modified polycarboxylated sodium salt superplasticizer admixture formulated to produce self-compacting (S.C.C.) concrete.

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BC-80

BC-80 is a non-chloride, accelerating, water-reducing admixture designed to aid the placement of concrete in cold or sub-freezing temperatures.

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GAYREX

GAYREX the standard silicate cement was developed to solve corrosion problem involving oxidizing acids. It is the only cement that will resist high temperatures above 900 0C and highly concentrated solutions. It is specially recommended for the construction of Chimneys, Incinerators, Roasters and other high temperature equipments. Due to its high porosity and relatively low strength. GAYREX is not recommended for use in water, alkalis, dilute acids solutions and extreme tribunal conditions.

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