High strength acrylic glue. Specially designed to fix photo-etched or transparent parts comfortably without leaving any residue whatsoever. This formula is also perfect for all types of cardboard building materials, various types of paper or laser-cut cardboard, and wood. You can also use it when creating dioramas to firmly secure groundwork products. ULTRA GLUE can be precisely applied with a brush and can be diluted and cleaned with water. Dries to a completely transparent finish in 24hours.