HOW TO: Repair Cosmetic Damage and Cracks on Plastic Bumpers

In this video, 3M Application Engineer Shawn Collins guides us through the steps of cosmetic plastic repair on a cracked bumper. From the importance of proper surface prep to adhesive application techniques and key tips for achieving the right finish, this video can help you get the bumper back to its pre-collision look.
Important notes (00:26)
Wear proper PPE: safety glasses, protective gloves, respirator and whatever else you need for the job. This video is intended for a professional setting such as a body shop or paint shop. Make sure to check OEM recommendations to confirm you’re using the correct adhesive for the job.
Preparing the Bumper (01:23)
Sanding and Prep (02:46)
Adhesion Promoter and Adhesive Techniques (06:03)
Sanding After Applying Adhesives (09:49)
Final Checks and Additional Tip for Smoothing (10:53)
Products used
3M™ Semi-Rigid Plastic Repair
s.3m.com/ip177agw
3M™ Polyolefin Adhesion Promoter
s.3m.com/9ybtzur9
3M™ File Belt Sanders for Body Repair
s.3m.com/1ualjfup
For more advanced tutorials, check out 3M Collision Repair Academy
s.3m.com/4fzdgwie
You’ll find courses that will expand your knowledge, deliver practical procedures that you can use right away, and, in many cases, earn you I-CAR credits.
Safety+warranty information
s.3m.com/1e8ra7t9
Website: s.3m.com/hdjo4wvg
Instagram: s.3m.com/u316azzn
Facebook: s.3m.com/r1rm8g45
The information contained in the 3M Collision Repair KZbin videos is intended for industrial/occupational use by persons with the knowledge and technical skills to use such information. For additional information, including important safety and warranty information, regarding 3M Automotive Aftermarket products, visit: s.3m.com/0joyahri. Please follow all local and country regulations regarding use of the products.
Important Note: There are many factors that can affect an individual repair, so the technician and repair facility need to evaluate each specific application and repair process and determine what’s appropriate. 3M recommends reviewing relevant vehicle repair and OEM guidelines prior to starting all repairs.
This video may show products not available in your area.

[@petar443]

8:20 Great tip. Thanks Mr. Collins.

[@jeffreyvallis8642]

What is the disc he uses at the end to get rid of the fuzziness

[@Pallidus_Rider]

Can link to 3M gloves be added to description? 👍

[@Jopakilo]

3m teaching professional how to fix bumper

[@3MCollision]

#3mcollision #plasticrepair #bumperrepair #fenderrepair #adhesives #autobodyrepair #autobodyshop

[@Grimsaviour]

Great video. What is the part number for the scotch brite wheel?

[@3MCollision]

Thanks for the positive feedback! It should be the Scotch-Brite Roloc + General Purpose Scuffing Wheel - 07443.

[@denisb1914]

👍