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Advantages Of Epoxy

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ADVANTAGES FOR THERMOSETTING POLYMER Epoxy Epoxy can bond strongly to most materials including metals, concrete, glass, ceramics, stone, wood and leather. Exceptions are plastics materials like polyethylene, polypropylene, Teflon and so on. It is low viscosity and very little shrinkage on curing, which makes it suitable to be used to produce reinforcement fibers and providing good dimensional stability. Besides that, epoxy has an excellent water, heat and chemical resistance. It has an excellent adhesion as well, hence their modification as epoxy glues. It also has very good electrical insulating properties. Epoxy has outstanding mechanical strength including tensile, compressive, and modulus. Polyester The benefit of polyester is it has low viscosity properties. Besides that, it is uncomplicated processing due to it has uncomplicated crosslinking requirement. The cost of polyester is also low in price. Polyester is durable, it can stretch, making it hard to tear. On the other hand, the material tends to be shiny, which is not always a desired characteristic. The color of polyester does not fade quickly in the sun. The fabric is easy to dye …show more content…

Many epoxy hardeners are known to bring on health problems, most notably in the form of dermatitis and allergies, and rigorous health provisions are therefore necessary. Some epoxy cannot be used in moist environments. Some have strong order prior to polymerization. Polyester The main drawbacks of epoxy are low temperature tolerance and UV tolerance. Other than that, it is significant shrinkage from crosslinking, and notable health problems. It is not recyclable and has a long processing

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