But also the most harmful.
Thinned epoxy for recovering fiberglass mat strands.
This chopped strand mat has a good wet out.
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.
Choosing the right fiberglass mat.
Apply some clear packing tape over the back of the hole to have something to lay up against.
Hey john looking at the picture it looks like it s was made with chopped strand mat and polyester resin.
You can use the same to repair it.
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.
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.
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.
Thinning the epoxy resin using a solvent is very damaging to the strength characteristics of the epoxy.
The mat is made of high quality e glass strands.
The fiberglass provides durability and strength.
It can be used with epoxy polyester or vinyl ester resin including west systems epoxy.
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.
By the most possible and the most used method for thinning epoxy.