LPT-0130
QUESTION
Most aluminium foil used is known to be dead soft which has good folding characteristics which belongs to?
OPTIONS
(A) “O” temper
(B) “H-12” temper
(C) “H-14” temper
(D) All of the above
ANSWER
(A) “O” temper
EXPLANATION
Fully annealed aluminium foil is designated “O” temper and is commonly described as dead soft because it has excellent flexibility and folding characteristics. H-12 and H-14 are strain-hardened tempers and are therefore less soft. Hence, option (A) is correct.
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