PVA WHY you should use it.

PVA WHY you should use it.
I sprayed on 5 coats of PVA before putting the fiber glass and epoxies in the mold.
When removing parts the PVA sticks to the part and the risk if damaging the mold
is lower.

De-molding Main Beam Test Panel

De-molding Main Beam Test Panel


De-molding Main Beam Test Panel

Removing Peel Ply.

Bow Test Panel out of the mold.

Bow Test Panel out of the mold.



De-molding Bow Test Panel -A.
De-molding Bow Test Panel -B.

Bagging Test Panels.

Don't forget to add pleats to your vacuum bag where needed.

Test Panel at main beam section.

Test Panel at main beam section.

Bow section test.

Bow section test.
2 layers of 6oz S-Glass, 1 layer of 6oz. uni glass
oriented for loads.
Then 3mm thick honeycomb core, then repeat of the glass.

Mold with edge taped and 5 coats PVA.

Mold with edge taped and 5 coats PVA.

Parts cut for test panels.

Parts cut for test panels.