Astra Mk 4 Petrol - Radweld - Kildrummy

My Astra has a leaky radiator. Is it ok to use radweld until I can source a new radiator or is Radweld a No No?

Astra Mk 4 Petrol - Radweld - Collos25

Works in most cases and can last for a long time you have nothing to lose using it

Astra Mk 4 Petrol - Radweld - Doc
Have used it many times on different cars. It works well.