Two-pack HS polyacrylic sealer, for wet-on-wet and dry-on-dry cycles. Sealing undercoat directly over coatable without sanding (wet on wet cycles) with topcoats (MACROFAN HS TOPCOAT / HYDROFAN). It can be used for total or partial car and commercial vehicles repairs. It is particularly suggested to seal new pieces previously painted with cataphoresis primers. It can also be used as a sealer on dry-on-dry cycles.