Kalimex QUICKSTEEL Steel Reinforced Epoxy Putty - Metal Repair Weld - 2 Pack

Forms a permanent bond with aluminium, brass, copper, steel, PVC, fibreglass, plastics, glass, wood, and more. Resistant to petrol, diesel, oil, and even battery acid. Cures to a steel-hard finish in just 15–30 minutes – even underwater – with a full chemical cure in 60 minutes.

eBay