Essentially they comprise a base of polyester resin strengthened with epoxy molecules in the backbone of the molecular chain.
Epoxy vs vinylester resin.
Epoxy vinyl ester resin 100 100 100 butanox m 50 phr 2 butanox lpt in phr 2 trigonox 239 phr 2 accelerator nl51p 6 cobalt phr 0 5 0 5 0 5 foaming yes slightly no geltime pure resin min 24 15 25 time to peak 9.
Choosing the appropriate resin epoxy vs.
A polyester laminate job is somewhat less expensive in material costs.
The vinylester resins are only about 1 3rd as strong as the epoxy.
5 commercial epoxy vinyl esters epoxy vinyl ester resins are produced on a large scale by a number of companies including ashland reichhold and interplastic.
Polyester resins published on june 5 2018 june 5 2018 13 likes 0 comments report this post rakesh verma follow international.
Epoxy resin epoxy resin is an ideal resin for high performance and light weight parts.
In addition they do not adhere well to either the carbon fiber or kevlar materials.
It can be used with carbon fiber kevlar and fiberglass cloth.
Cloth however the epoxy laminate requires much less labor to fair.
Vinyl esters also use peroxides e g.
Mike works for a huge minnesota company.
The epoxy cloth laminate is comparable to using polyester resin with 3 4 oz.
It is not compatible with chopped strand mat fiberglass.
Resistance of vinylester resin to moisture is good and some commercial barrier coatings have been marketed utilizing this resin family.
However they are primarily used as an aesthetic application to these products.
Vinylester resin as was explained to me by an r d chemist named mike daniels.
Both resins can be thinned by reaction.
Mat and 10 oz.
Vinylesters are capable of forming secondary bonds around 500 psi mas epoxies 2000 psi.