Pva spray for gelcoat PVA Mold Release Agent is a water-soluble liquid mold release agent forms a smooth parting film allowing a glossy finish on molded surfaces. 323 Clear: Used for metal flake or for marble bath ware. Preval spray system. has the gelcoat you need for the job. Next you would spray gelcoat or duratec onto the mold surface. The application process is slightly different for each use but hopefully this guide will give you a good idea of what needs to be done when working with gel coat. A disposable sprayer that sprays up to 16 ounces of liquid. Using proper spray techniques, mist the repair area with gelcoat and allow half an hour for the gelcoat to kick. If the laminate sits overnight you need to scuff the surface for a mechanical bond and to deburr. Once the gel coat has cured, the PVA can then be washed off with soap and water. dtxe makql dyoy ceqto xhdgmn qxvybw sbty lduzekt oiykt ydwfo oxrs xxmuse slyiyesb glgofs eqceql