460-MI11 - Micro Prep 1-1/2ozMicroBond Advanced Adhesive for Slippery Plastics MicroPrep 1 1 2oz 44. 4mL When working with difficult to bond surfaces, such as those made of Delrin, Celcon and other engineering plastics, apply MicroPrep first. Simply apply with brush or use the spray action nozzle and allow to evaporate before gluing with Cyanoacrylate (sold separately) or painting with your favorite paint (enamels tend to adhere better after longer evaporation).