Boric Acid Powder 1 kg Tub Arbe USA 1.5 Litre Wax Injector with Digital Thermostat

Boric Acid Powder 1 kg Tub Arbe USA 1.5 Litre Wax Injector with Digital ThermostatA traditional favourite with Jobbing Repairer Jewellers and Silversmiths How to prepare and use Clean the piece as you would before soldering and assembling. Mix with 1 litre of methylated spirits and 150g of Boric acid in a glass or polyurethane container, with a lid. Depending on the size of the piece, cover it entirely by dipping or brushing on a fine coating. Heat all over with a torch to form white coloured skin; this creates a protective barrier

Item Height: 2inch

Great for all types of detail work in both hard and delicate materials

Display: 5-digit 18mm LCD

x (width x height)

Working voltage: 12V ±10%

Input Voltage: AC 24V (or DC 30V

Potentiometer knob can change the output duty cycle of controller and then change the motor speed

The spindle and valve are designed to give a very exact and quick flame setting

100mm (4" inch) Square

Directional nozzle for accurate deployment

Powered by 4 supplied AA batteries or included universal voltage 100v-240v AC adapter

- Mainly used in opitcal microscope to firm the observed objects