Lastek B3020 V

Flux coated cadmium free silver brazing, brass colour

Flux coated, cadmium free silver alloy, moderate silver content, for general maintenance. Suitable for joints with large clearances.

For joining brass and other copper alloys, steel, stainless steel, cast iron and hard metal.

Good colour match with brass.

Operating temperature, up to 300 °C. // Melting range: 690-810 °C.

Lastek B3020V is cadmium free and applies to the European RoHS guideline and the European cadmium guideline.

Specifications & Usage


Machine parts for food and beverage industry.

Chandeliers, brass fittings and brass ornamental pieces.

Valves of bronze and brass.

Heat exchangers.

Automotive and electrical industry.


Joint preparation: optimum clearances 0.05 to 0.20 mm.

Preheat the work piece slightly with neutral flame. Rub the coated rod along the joint to apply the flux. As soon as the flux is flowing, melt the rod. Continue heating until the alloy flows into the entire joint by capillarity.

Cool down and remove flux residues by brushing with hot water.


Welding proces: Brazing rod
Material Type: Silver solder
Welding positions: PA, PB
Norm : EN ISO 17672
Classification: AG 220
Norm: EN 1044
Classification: AG 206
Minimum packing: 1 kg in a cardboard box