Iso resin is a wax free resin. Isophthalic polyester resin also can be used where superior water resistance is desirable. This resin does not have to be used in mold making but, if you want to use it for general resin application the final coat has to have the wax (tack free additive).
Fiberglass Supply Depot Inc. > Polyester Resins > Isophthalic resin
SPIRAL PURE BRISTLE rollers for fiberglass lamination $11.49 - PicClick
FibreGlast 2023-2024 Catalog, PDF, Fiberglass
Fibre Glast Iso Polyester Resin-Hardener Kit – Food-Grade, Waterproof, Anti-Corrosive – Bonds Fiberglass, Castings, Counters, Table Top, Boat Hull, Auto Parts, Wood & Stonework — 1 Qt, Made in USA
6631 Isophthalic Polyester Resin
Polyester ISO laminating resin has high strength, corrosive resistance and a fast wet out. Room temperature cure with MEKP catalyst. Cures with a
Polyester ISO Tooling/ Laminating Resin- with MEKP Catalyst
Polyester Resin and 1708 Biaxial Fiberglass Kit w/MEKP Hardener - TRUE COMPOSITES
Iso resin is a wax free resin. Isophthalic polyester resin also can be used where superior water resistance is desirable. This resin does not have to
Isophthalic Resin w/hardener for laminating fiberglass mat,biaxle,cloth (Quart)
SPIRAL PURE BRISTLE rollers for fiberglass lamination $11.49 - PicClick
Fiberglass Cloth, Mat & 1708 Biaxial Cloth
Fiberglass Supply Depot Inc. > Polyester Resins > Isophthalic resin
Isophthalic Resin w/hardener for laminating fiberglass mat,biaxle,cloth (Quart)
SPIRAL PURE BRISTLE rollers for fiberglass lamination $11.49 - PicClick