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What is bisphenol A?

Bisphenol A is the industrial chemical 2,2-bis(4-hydroxyphenyl)-propane. It is used as a start-ing material for the production of polycarbonate plastics and synthetic resins.

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BIT Arctic

BIT Arctic is a rapid curing Ťone shotť two part chemical anchoring car-tridge system based on a low odour unsaturated resin. Specially developed using a high reactivity resin enabling it to be used in extreme conditions at tem-peratures below-18°C. The resin has a lower viscosity than the standard fixing resins to enable it to be extruded and mixed in low temperature applications. It has an extremely mild odour, high flash point and no flammability assigned to it, offering the advantage of being able to be used in confined areas.

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Chemical bonding

A chemical bond is an interaction between atoms or molecules and allows the formation of polyatomic chemical compounds. A chemical bond is the attraction caused by the electromagnetic force between opposing charges, either between electrons and nuclei, or as the result of a dipole attraction. The strength of bonds varies considerably; there are "strong bonds" such as covalent or ionic bonds and "weak bonds" such as dipole-dipole interactions, the London dispersion force and hydrogen bonding.

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Syntetic resins

Synthetic resins are also called polymers. Chemical structure of polymer molecules resemble a long chain consisting of many simple and repeated structural units typically connected by covalent chemical bonds. Polymers are often classified into two main groups depending on their response to temperature; thermohardening and thermoplastic polymers. Thermoplastic polymers (for example nylon, polypropylene, ABS resin) soften or melt while being heated up (like metals) and harden again in lower temperatures.

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Bonding systems for fixing works

Chemical bonding system in construction works is an alternative for mechanical methods of fixing. As compared to mechanical methods the system based on a new generation of chemical formulas has a wide range of advantages:

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