Using bondo on plastic. Keep applying thin coats until all the dings are filled up to a total thickness of 1 4 inch 064 cm. Buy a solvent for the type of plastic you are using. It will adhere to acrylic plexiglass but it might dissolve some types of styrene plastic. Use a plastic or metal spreader to apply thin coats of filler.
Put on latex gloves. Using it on your daily driver or project is not a bad thing as long as you use it the right way. Then use a thin filler or glaze to go over that for final smoothing before primer and top coat. Working quickly mix the bondo and stuff it into the syringe messy.
Fill and seal seams in metal and other surfaces right from the tube no mixing required. Plastic metal dries quickly and is easily sanded filed drilled and painted for smooth and seamless repairs. Can body filler aka bondo be used to fill plastic bumper covers. Cut a pvc cylinder in half lengthwise place a removable wood disc in either end and cover with wax paper.
In this qa video i am going to answer this question. The varibles that you have to research are the kinds of plastic you are using. 3m offers bondo products for automotive plastic composite fiberglass repair. Its built up gradually in thin layers until the dent or hole is filled and level with the surface of the metal but it should only be used with dents no more than 4 inches in diameter.
If you are gluing plastic a solvent bond is best. Bondo is polyester based. Bondo plastic metal is a product commonly used for filling dents and cracks in metal surfaces usually on automobiles. It is also ideal for filling small holes.
Robert applying filler and well just spread it lightly over these deep cuts and. Modify a 20ml plastic needleless syringe by drilling its outlet hole to 332. I was asked about the links to the plastic repair products. Load up your spreader with some bondo mixture and scrape an 1 8 inch 032 cm layer over the damaged area.
Mix it up with your bondo spreader until its all one color in this case pink because of our red filler.