Vinyl Ester Vs Epoxy Fairing
If the surface to be coated is epoxy laminate.
Vinyl ester vs epoxy fairing. Vinyl esters are more tolerant of stretching than polyesters. 5 reasons why epoxy floors are better than luxury vinyl flooring by sophia daukus on october 6th 2014 in environment regs many people wonder what the differences between luxury vinyl sheet or lvs and epoxy flooring and other resinous finishes are as well as which offers greater benefits these flooring types claim to offer seamless long. A resin such as epoxy polyester or vinyl ester a hardener for epoxy or catalyst for polyester vinyl ester for activating the resin and ensuring that it eventually cures to a hard plastic material. Cloth and polyester resin.
It adds excellent strength rigidity adhesion water and chemical resistance. This makes them more able to absorb impact without damage. Always use the manufacturer specified amounts of hardener or catalyst or the resin will not cure as intended. Vinyl ester resin is considered a hybrid of polyester and epoxy meaning its handling characteristics properties and price generally fall just between the other two.
Polyester and vinyl ester resins depend on a catalyst to complete the curing process. To cover wood a laminate using epoxy resin and 10 oz cloth will yield a much better job than 10 oz. Using epoxy you can improve the laminate properties with a post cure almost always. Thinning effects workability and strength thinning reduced strength but makes it easier to brush or spray.
Epoxy resin comes in two parts. For example an epoxy resin based fairing compound contains fumed silica. 80 grit sandpaper in preparation for topcoating with duratec vinyl ester fairing primer and or duratec vinyl ester primer. Has some great papers on this which i am quoting from.
Specifically proper cure of vinyl ester resins and a 15 year study of the effective use of permeation barriers in marine composites to prevent corrosion and blistering. Fairing compounds or putties typically contain the following. The b side is typically the hardener side. Leveling hull surface.
One of the only downsides to epoxy is that it is more expensive than polyester and vinyl ester resin. Vinylester is essentially a styrene modified epoxy resin. On a broad scale of viscosity vinyl esters are midway between polyesters and epoxy resins before adding styrene. Epoxy adheres to wood much better than polyester does.
The resin side is typically designated as the a side.