Improves the adhesion of Xtragrip mirror adhesive on porous substrates (also suitable for other silicones or MS polymers). In cases of increased moisture exposure, the use of Xtraprime for pre-treatment is recommended. Once applied, it is transparent and waterproof.

Application: Processing temperature between 5 °C and 30 °C. The substrate must be clean, dry, and free from dust and grease. Apply undiluted and in sufficient quantity with a brush. Xtraprime must be completely dry before processing (approximately 60 minutes at 20 °C / 65% relative humidity). To achieve full surface coverage of the substrate, Xtraprime can be applied a second time. Protect from moisture and contamination after application. Coverage is approximately 5 m² per liter, depending on the nature of the substrate.