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The epoxy value is defined as the number of moles of epoxy group per 100g resin. So as an example using an epoxy resin with molar mass of 382 and that has 2 moles of epoxy groups per mole of resin, the EEW = 382/2 = 191, and the epoxy value is calculated as follows: 100/191 = 0.53 (i.e. the epoxy value of the resin is 0.53). [6]
Epoxy coatings are often used in industrial and automotive applications since they are more heat resistant than latex-based and alkyd-based paints. Epoxy paints tend to deteriorate, known as "chalking out", due to UV exposure. [41] Epoxy coatings have also been used in drinking water applications. [42]
At typical coating application temperatures, usually in the range of 180 to 250 °C (356 to 482 °F), the contents of the powder melt and transform to a liquid form. The liquid FBE film wets and flows onto the steel surface on which it is applied, and soon becomes a solid coating by chemical cross-linking, assisted by heat.
Epoxy putty refers to a group of room-temperature-hardening substances used as space-filling adhesives. Exact compositions vary according to manufacturer and application. Exact compositions vary according to manufacturer and application.
Powder coating is a type of coating that is applied as a free-flowing, dry powder. Unlike conventional liquid paint, which is delivered via an evaporating solvent, powder coating is typically applied electrostatically and then cured under heat or with ultraviolet light.
Insulative paints, or insulating paints, are a specially designed type of paint in which can be used to coat a surface (e.g a wall) ...
The price of petrol has increased from 65 naira ($0.40; £0.26) per litre to at least 141 naira in filling stations [6] and from 100 naira to at least 200 naira on the black market, from which many Nigerians buy their fuel.
In 2002, Asian Paints acquired a 60% stake in Egyptian paint manufacturer SCIB Chemicals for ₹ 24.5 crore (US$5.04 million). [14] It also acquired a 50.1% stake in the SGX -listed Berger International Singapore, which had operations in 11 countries across Southeast Asia , West Asia , the Caribbean , China and Malta , for US$20.8 million. [ 15 ]