Answer: Yes, it can repair welding burns on glass. You’d better see if the burned glass is tempered or not. If not, you need pay attention to temperature control during repair. For fear of bursting, glass in repair cannot be too hot to touch. Welding burns are generally serious, so you need also pay attention to deformation control during repair. In this regard, you should ask the client about his acceptance standard first. If his requirement is high, you may choose our kit of 4, 5, or 6 inches to ensure the repair effect can reach his acceptance standard.