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(1923-1948)

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(1949-1960)

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Strength and Reliability
VACUUM BRAZING AND MAGNESIUM MAKE US STRONG

Vacuum brazing in the manufacturing process is the key to the performance, strength, and durability of Griffin aluminum thermal transfer products. After the radiator is assembled, all of the components must be joined (brazed) together by accurately heating it to a high temperature (approx. 1,100 + degrees F)

the two brazing processes most commonly used are Vacuum Brazing and Cab (NOCOLUX) Brazing. Vacuum brazing requires magnesium to braze, and magnesium is the alloy that gives aluminum its strength. Magnesium is used in aluminum alloys for aircraft frames and in the structural components of vehicle chassis where high strength is required. A CAB brazed aluminum product does not have the equivalent strength of a Vacuum Brazed product because magnesium is absent in the CAB brazing process. This results in a substantially weaker product. actual thermal load cycle testing has concluded that tube to header failures occur 50% more frequently in CAB brazed products versus Vacuum Brazed Products.