ERICO CADWELD Exothermic Welding - Manual (Page 11)

Fig. 22
Pour 1/4 to 1/3 of the starting material over the
welding material in the mold crucible.
Fig. 23
Close the lid and pour the remaining 3/4 to 2/3 of the
starting material into the slot on the mold cover.
NOTE: Welding material is an exothermic mixture
and reacts to produce hot molten material with
temperatures in excess of 2500 degrees Fahrenheit
(1400 degrees Celsius) and a localized release of
smoke. Avoid looking directly at the “flash” of
light from ignition of starting material. Avoid
inhalation of smoke/fumes.
Fig. 24
Aiming the flint igniter from the side, ignite the
starting material on the mold cover. Withdraw the
igniter quickly to prevent fouling.
Allow approximately 30 seconds for completion of
the reaction and solidification of the molten material.
9
The CADWELD
®
Process