How To Repair A Cracked Tortoise Shell

How to Repair Cracks in Polyethylene

by C.L. Rease

motorcycle image by Aleksander from Fotolia.com

Polyethylene has made its way into many components of cars, motorcycles and boats. Although strong and lightweight, polyethylene is not impervious to peachy. When a polyethylene office cracks, you lot demand to repair the part immediately to reduce the chances of the crack growing and ruining the polyethylene part. Advertised quick epoxy fixes for polyethylene parts will agree temporarily, but they will not create a permanent repair on the part. Welding the cleft will permanently repair information technology, and it will also strengthen the damaged area, eliminating the chances of the cleft returning.

Footstep ane

Set the temperature of the plastic welder to 575 degrees Fahrenheit, turn the welder on and set up it aside to allow the plastic welder to reach the correct welding temperature.

Step 2

Wipe the surface area around the polyethylene crack with a clean rag to clear the crack and the area surrounding the crack of materials that could contaminate the weld articulation.

Pace three

Put on your condom glasses.

Pace four

Bevel 1 side of the crack in the polyethylene part to a depth at to the lowest degree 1/8 inch deep. Make sure that you lot bevel 1/2 inch past each stop of the crack.

Step 5

Align the speed tip of the plastic welder with the beveled stop of the crack that is furthest away from you. Slide one end of the polyethylene filler rod into the guide of the plastic welder's speed tip.

Step 6

Apply downward pressure level on the length of polyethylene filler rod, as you pull the plastic welder toward you lot slowly. Watch the surface area where the polyethylene filler rod meets the surface of the beveled polyethylene crack. If you detect a small bead of melted polyethylene flowing ahead of the filler rod and the polyethylene is not called-for, you are pulling the plastic welder at the right speed.

Step 7

Cut the polyethylene filler rod even with the end of the speed tip guide, when y'all are i inch away from the stop of the scissure you are repairing. Continue pulling the plastic welder toward you to fuse the remainder of the polyethylene rod to the surface of the polyethylene repair.

Step eight

Allow the polyethylene repair to cool thoroughly before continuing.

Step 9

Attach the 120-dust sandpaper to the palm sander.

Pace 10

Sand the polyethylene filler rod shine with the surface of the polyethylene part to blend the repair into the role.

Repeat the process to repair the backside of the polyethylene crack, to complete the polyethylene crack repair.

References

Things You'll Need

• Plastic welder with speed tip
• Clean rag
• Safety glasses
• Dice-grinder with a tapered carbide tip
• Polyethylene filler rod
• Lineman's pliers
• 120-grit sandpaper
• Palm sander

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Source: https://itstillruns.com/repair-cracks-polyethylene-6063592.html

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