joke Fill R-90

Product information "joke Fill R-90" Cu-Ag-Cr-Fe filler for beryllium-free application and joining of pure copper and bronze with a very high copper content. Very good electrical and thermal conduction properties, identical in colour. An increase in hardness of up to 30 % is possible by deep freezing at –20 °C and more. Hardness approx. 90 HB, up to 130 HB after deep freezing. Materials: copper, copper materials, AMPCOLOY®