Colorless transparent epoxy adhesive with very rapid curing at room temperature. Sets in 5 minutes. Transparent glue line. Solvent free. Directions: Roughen, dry & degrease surfaces to be bonded. Pour out equal amounts by volume, from both tubes. Mix thoroughly & use within 2-3 mins. Apply thin layer on both surfaces. Clamp joint for 5 minutes as Araldite Klear sets.