WINKEL PRO KNEAD STEEL is a hand kneaded epoxy putty. It cures in 5 minutes and hardens like steel within 20 minutes. It makes very solid adhesion within minutes, even under water. After 1 hour it can be cut, drilled and becomes suitable for other machining processes. It has long-term temperature resistance of 121 ° C and short-term 232 ° C temperature resistance. * NATO stock code: 8030-01-519-7679