Selleys Supa Glue (Assorted Types)Selleys Supa glue has up to 4 times the bond strength on metals than standard Super Glues. It is impact resistant, heat resistant up to 150C and is more flexible than standard super glues. Supa Glue has been formulated to give you more working time than standard Super Glues and sets in around 2-3 minutes. And of course you know that if it’s Selleys it works!