Midwest's Sanding Sealer Primer. The original hot fuel proof butyrate dope system which gives a durable, fast-drying, lightweight and beautiful lacquer-type finish. Use over raw wood to seal grain. Drys clear. Used for Tissue Covered Aiplane Models, Control Line Airplane Models, R/C Airplane and Boat Models, Wood Scouting Projects and Model Rockets. For use on paper, fabric coverings, balsa and basswood. Contains no lead.
Use in a well ventilated area with lung, eye and skin protection. Aero-Gloss Thinner (MIDR7043) for airbrushing and clean-up. (If airbrushing, thin 1 part dope with 1 part Aero-Gloss thinner.)
COMMENTS: Flammable: Contains toluol and methyl ethyl keytone. As with any type of painting procedure, always test for compatibility of materials on a scrap piece before attempting to paint model. For best results: Fill and seal wood with Sanding Sealer, Balsa Fillercoat Primer or Prep Primer. Sand smooth and clean surface. Use at 70 to 80 degrees (F), brushing or airbrushing with several thin coats instead of one heavy coat. To thin for airbrushing, use only Aero-Gloss Thinner. Dries ready-to-handle in 30 minutes; recoat in 1 hour for brushing, and any time for spraying. Tape free in 30-60 minutes before sanding and 24 hours or overnight before masking with vinyl electrical tape for trim painting. After painting trim, dry at least 15 minutes before removing tape. Cures to maximum fuel resistance in 3 days under normal drying conditions. Dust free in 5-10 minutes. Allow 72 hours dry time if Formula-U is to be applied as a topcoat. Tissue Models: Final applications of 1 part dope to 1 part Aero-Gloss thinner provides the smoothest finish.