Thinned Epoxy For Recovering Fiberglass Mat Strands

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.

Thinned epoxy for recovering fiberglass mat strands.

The mat is made of high quality e glass strands. This chopped strand mat has a good wet out. The fiberglass strand in mat wets out with epoxy but the binder holding things together does not dissolve. It can be used with epoxy polyester or vinyl ester resin including west systems epoxy.

Hey john looking at the picture it looks like it s was made with chopped strand mat and polyester resin. Thinning the epoxy resin using a solvent is very damaging to the strength characteristics of the epoxy. 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. You can use the same to repair it.

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. In certain repairs you will need some type of reinforcement to the repair area. Four or five layers of 1 5 oz chopped stand mat and orca 200 p16 laminating resin will work great. But also the most harmful.

The fiberglass provides durability and strength. Choosing the right fiberglass mat. Apply some clear packing tape over the back of the hole to have something to lay up against.