This primer is mainly recommended for addition curing RTV-2 rubbers. Primer G790, undiluted: If the primer is applied undiluted, it is advisable to subsequently heat-treat the substrate.
E43 is a transparent, self-leveling, one-component, acetic cure silicone with very good mechanical properties. Excellent primerless adhesion properties.
E41 is a transparent, flowable, self levelling, one component, acetic cure silicone with excellent mechanical and adhesion properties, it does not require a primer. It will adhere to silicone, glass and metal. It will not adhere to polyethylene or polypropylene type plastics.