Cement for similar plastic materials. This is a solvent, not a glue. It adheres by capilary action. Hold 2 pcs together before applying solvent. Use a brush or syringe to apply. Dealers Order DP-5 12 bottle box. Evaporation is expected with any solvent. Use within 3-6 months. Opened bottles will evaporate faster, to extend the shelf life, keep closed bottle in a sealed ziplock bag. Keep out of children's reach.