
16
Solution Effects on Metals
Cleaning
Steel
Brass
Alumi-
Magne
Zinc
S
.
Steel
Tin
Agent
num
sum
Optical (1)
None
none
none
none"
none"
none
none"
Jewelry (1)
None
none
none
none
none
none
none
O
x
ide (2
)
Slight
none
slight
attacks
attacks
none
none
Remover SC31
Etch
at
t
ack
Electronic
None
none
slight
none
none
none
none
cleaner
SC20
attack
General(1)
none
none
slight
none
none
none
none
Purpose SC20
attack
Metal (1)
none
none
none
none
none
none
none
SC52
Rust (3)
none
none
attacks
attacks
attacks
none
slight
stripper
attack
(1)
=
Alkaline
;
(2)
=
ACidic
;
and (3)
=
Caustic
.
Warning
*Free hydrogen may be released if solution comes in contact with reactive
metals.
** no effect if solution temperature is less than 140°F.