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  • Synthetic Resins

Synthetic Resins

Natural resins are typically fusible and flammable organic substances that are transparent or translucent and are yellowish to brown in colour. They are formed in plant secretions and are soluble in various organic liquids but not in water. Synthetic resins comprise a large class of synthetic products that have some of the physical properties of natural resins but are different chemically. Natural resins were replaced by synthetic ones with the development of the chemical industry.  Properties like toughness, transparency, having the ability to be modified, resistance to atmospheric conditions, good abrasion resistance and etc. make synthetic resins preferred material. Despite all the advantages, there some negatives too. For example, synthetic resins usually contain solvents which are flammable, toxic to environment and people working with them and they need special working conditions in order to cure (dry).

 

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Epoxy resins

Epoxy resin – very tough and resistant to mechanical stress. Decent chemical resistance and very good adhesion to different substrates (concrete, metal, wood and etc.). Becomes yellow or changes color if exposed to sunlight for long period of time unle...
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Polyurethane resins

The Polyurethane resin is more UV resistant than the epoxy, as well as better abrasion resistance and higher flexibility. Very soft and very hard products can be obtained from PU. Downside of this type of resins is the presence of moisture in the subst...
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Vinylester resins

In general Vinyl ester resins are suitable for GRP tanks and pipes, as well as for other structural elements operating in corrosive environments. Vinyl ester resins are characterized by excellent chemical resistance to many acids, bases and high mechan...
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Phenolic Resins

Phenolic resins have very high electrical insulation properties, good corrosion resistance and mechanical stability. They used in a wide variety of end use applications including for phenolic packaging coatings and the rubber industry.
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Examples for synthetic resins are Epoxy, Polyurethane, Phenol formaldehyde, Polyester, Vinyl, Vinyl ester resins and etc.