You can use other lights instead, such as ultraviolet light, etc. Other methods can also be used:
Steps for repairing broken glass:
1. Pour window cleaner onto a car wash towel, wipe the area to be repaired and use a cloth. a razor blade or sharp point. Carefully scrape objects or remove debris from cracks.
2. Align the bracket with the broken point of the glass and fix it, then pour 4-5 drops of glass repair fluid into it.
3. Use a syringe to extract the residual air inside the damaged spot and wait 15 to 20 minutes for the bubbles to escape completely.
4. After unplugging the syringe, reinsert it into the holder, squeeze the syringe and pour the repair fluid into the crack. Leave for 15 minutes until the repair fluid has completely penetrated the crack.
5.Use a safety blade to pry and tear off the backing, then apply the remaining repair fluid to the crack. Secure the plastic sheet and squeeze out any air bubbles with a razor blade. Wait 15 minutes in direct sunlight, or one hour if the weather is cloudy or there is insufficient light.
6. Remove the plastic part and remove excess resin.