Car bumper, especially if it is made of plastic, more often than other body parts suffers from a bad maneuver, the wrong race at the curb, drive over rough terrain and stray stones flying from the wheels of other cars. The value of technology of repair plastic bumper method of bonding is that it allows you to return the damaged parts to its original look and functionality using simple and available operations, execution of which by every motorist.
For ease of repair of the damaged bumper is better to remove from the car, after which remove from its surface to loosen the dirt and wash thoroughly on both sides. Next, you need to determine the material from which it is made. Be subjected to chemical analysis material of the bumper is not required, it is enough to find it on the inner side of special notation.
On the bumper of polypropylene will be present marking or PPTV PP, polyurethane bumper can be identified by the letters PUR. Denote GF15, GF30, ABS and AG6 will indicate the use of hard plastics on the bumper of fiberglass marking will be absent.
Glue plate method should be used to repair bumpers made of hard plastics and fiberglass, to repair the bumpers of soft plastics, polypropylene and polyurethane better by welding or naplavlenie.
The area of the bumper to be repaired and the adjacent undamaged areas should be sanded, cracks and edge breaks from the inner side to improve adhesion is to cut an angle grinder at an angle of approximately 450, and the ends of the cracks to prevent further breaks — to severity.
Carefully aligning the compare section of the bumper and secure them with the front side with tape or glue, you can proceed directly to the repair stage.
bumper Repair by bonding
Alesgerov the inner side of the bumper repaired and the adjacent region of width 20-30 cm, put a layer of epoxy, polyester resin, special quick-drying glue for plastics or other composite. At the place of fracture or cracked apply a patch of fiberglass the right size and tightly. Fiberglass top covered with a layer of the composite and apply the second patch.
As the drying glue or song to proceed to processing of the front side of the bumper. Rastoci the edges of cracks and fractures, the resulting grooves are filled with a composite or adhesive.
Once the composite dries, the surface of the front side of the bumper all leading up to a perfectly smooth condition, sanded, degreased, primed and painted in the desired color.
Renovated with all requirements of the bumper after dyeing to distinguish it from new only a patch of fibreglass on the reverse side of the part.
Good luck to you! No nail, no wand!