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  • How do I deal with rub marks?

    Rub marks are typically a result of excess abrasion. Proper preparation of the tool and more frequent touch ups of release should minimize rub... Read More »

  • I get streaking when applying. What should I do?

    Many of the same factors that cause hazing also cause streaking. In our experience, streaking that occurs on application of release is most... Read More »

  • I see haze on the mold. What causes it and can I get rid of it?

    Haze On The Mold After Applying Release (before molding): This can be caused by reaction of the release with contaminants on... Read More »

  • What prep should I follow after buffing, sanding, or stripping the mold?

    Sanding, heavy buffing and stripping can open pores of a mold, allowing un-reacted styrene to bleed out of the mold during production. This can... Read More »

  • What mold prep should I follow after a fast patch? Sometimes I need to put the mold back in production within one hour.

    A lot depends upon the material you are using to patch the mold, how thoroughly the patch material cures, as well as the depth and overall size... Read More »

  • What should I do if raw (un-catalyzed) resin or gel coat over-spray gets on the mold?

    Gel Coat Over-Spray: Gel coat over-spray has been catalyzed. Even if the film over-sprayed on the mold is thin, it will... Read More »


  • Vacuum Bagging

    The vacuum bagging method of molding parts is commonly associated with “advanced composites,” as high strength fibers are most often... Read More »

  • Rigid Polyurethane

    Polyurethane rigid foam systems are used as an insulating foam material in construction (entry doors) and appliance (refrigerators, freezers,... Read More »

  • Resin Transfer Molding (RTM)

    Resin Transfer Molding (RTM) is a closed-mold process that holds many challenges. Dry reinforcement textiles are set in place before bringing... Read More »

  • Resin Infusion

    The resin infusion process is particularly suited to the molding of components that have a very large surface area, such as wind turbine blades... Read More »