Repairing Cracks in Plastic Tail Light Lenses: A Guide Fixing a cracked plastic tail light lens isn’t very difficult if you go about it the right way. How to Fix Crack in Plaster — A Step by Step Guide (Different methods and materials)
Step-by-Step Repair Process
Remove the Tail Light Lens:
Remove a tail light lens from the car to avoid any serious shocks.tail light repair (ad)
Reverse it to the other side so that you will be able to turn into the inside for the repairs.
Prepare the Crack Filler:
Cyanocrylate Adhesive: This is super glue that provides good shear resistance and can be used for minor cracks. Use generously but not excessively, as excess can ruin the lens surface and1.
Epoxy Resin: For more substantial structural reinforcement, you can use a two-part epoxy. Prepare it following the package instructions and apply along the crack after superglue14.
If you are doing a more advanced repair, the methylene chloride will work as well to solvent weld. This involved using a syringe to spread the solvent onto both sides of the crack, which then acted to dissolve the plastic and vaporise—essentially welding the two surfaces together2.
Application Techniques:
In the case of solvents or thin adhesives, it is recommended to use a syringe for accurate application.
Epoxy — keep the lens laying flat during cure for a Smooth surface4.
You can use some painter’s tape around the crack area if you are worried about too much adhesive getting on your surface.
Finishing Touches:
Once the adhesive or epoxy has dried, sand away any of the leftover parts of material for a smooth finish.
Step 3 (Optional) — Apply a clear coating or polish to protect the part and bring back the shine
Alternative Methods
Hot Glue Approach — For quick and dirty repairs, use of hot glue to attach cracks together before applying a longer-term cure like epoxy –35
Top brands we carry: These hinge pins are the perfect solution to use with our brand new waterproof 2, 4, and 5 compartments. Legal Brayden The four complementary plastic pins require a minimal amount of load from the little bristle fibers… Pros Plastic Weld Products: Available at hobby stores, these items are made especially for repairing plastics and can be quite strong when used properly(2).
This article will teach you a few methods that you can use depending on how bad the crack is and what materials you have to remove it completely. Please remember to work in a well ventilated area and wear gloves when using adhesives or solvents.
