Vinyl Ester Resin Working Time

It is typically used in gas tanks boat hulls and other items that will be exposed to chemicals or water for extended periods of time.

Vinyl ester resin working time.

Vinyl ester resin is selected due to its well known performance in marine conditions and good chemical resistance to a wide range of chemicals including sour crude up to 100 c. About vinyl ester resins. Vinyl ester resin is also more resistant to solvents and water degradation. It has a measured glass transition temperature t g of 110 c hence allowing the clamp to withstand up to a maximum service temperature of 80 c.

The less mekp added the longer the pot life working time will be. Like polyester resins they require mekp as a catalyst to cure or harden. Vinyl ester resins are produced by the reaction esterification between an epoxy resin and an unsaturated monocarboxylic acid. Essentially they comprise a base of polyester resin strengthened with epoxy molecules in the backbone of the molecular chain.

Ve resin is a tougher resin because of its longer molecular chains. An extremely high strength resin used for making strong stiff laminates. Vinyl ester resins are often considered a cross between polyester resins and epoxy resins. The staff is always helpful and always gets me what i need.

Vinyl ester falls between polyester and epoxy on price most physical. Mirteq australia pty limited is a privately owned australian company that manufactures a range of concrete and steel paint coatings for australian conditions. Vinyl ester resins offer increased strength corrosion resistance and durability and are used in a wide variety of applications. Highly water and chemical resistant.

Before gelation starts the activated resin can be processed therefore the period of time before gelation starts is called the manufacturing time or pot life. Unlike epoxy resin polyester and vinyl ester cure time can be manipulated by the amounts of mekp added. It can withstand repeated bending better than both polyester and. Their advice on how to work on different jobs is always welcome.

Polymer chemistry curing ve resin 10 accelerator 553s in vinyl ester resin epoxy based vinyl ester 100 100 butanox m 50 phr 2 2 accelerator nl 51p 6 co soln phr 0 5 accelerator 553s 0 5 gassing geltime in pure resin min yes 60 no 60 cobalt content mg kg 300 100 time to peak min 113 108 peak exotherm c 44 61 barcol hardness. We aim to replace thin film epoxies and polyurea coatings with vinyl ester resin based coatings that are. While vinyl ester resins are classified as polyester based formulations they are actually an intermediate between a polyester backbone and epoxy terminations on the ends of the molecules. Vinyl esters also use peroxides e g.

Typically catalyst is used between 1 25 to 1 75 1 2 3 ounce to 2 1 3 ounces per gallon. If you need a fiberglass contractor please call chris at 860 373 3938.