By the most possible and the most used method for thinning epoxy.
Thinned epoxy for recovering fiberglass mat strands.
The mat is made of high quality e glass strands.
Premium fiberglass mat this fiberglass chopped strand mat is marine grade and suitable for boat building and repairs roofing pond lining and many other applications.
This chopped strand mat has a good wet out.
It can be used with epoxy polyester or vinyl ester resin including west systems epoxy.
Epoxy resin is a very strong material that can be used as a sealant and an adhesive as well as a myriad of other things however one troublesome thing about this substance is that it is very thick and viscous which means that it can be hard to apply and sometimes it will not get into all of the dings and nicks in a surface.
Choosing the right fiberglass mat.
But also the most harmful.
The fiberglass strand in mat wets out with epoxy but the binder holding things together does not dissolve.
Apply some clear packing tape over the back of the hole to have something to lay up against.
Epoxy resin varies from brand to brand but on average there is a 35 decrease in its strength properties of the epoxy for ever 5 of thinner added.
Thinning the epoxy resin using a solvent is very damaging to the strength characteristics of the epoxy.
Hey john looking at the picture it looks like it s was made with chopped strand mat and polyester resin.
The fiberglass provides durability and strength.
It does get put into suspension and is sealed in the cured epoxy this undissolved binder causes the wet out mat to remain a bit stiff compared to wet out with a styrene based resin.
The fiberglass mat is also recognized as chopped strand mat and consists out of short fiber strands which is all held together by a resin binder.