配方类型:

METALS AND TREATMENTS

配方说明:

Metal Cleaner (Acid Cleaners)

配方组成:

Phosphoric acid (85%)/47.2
Butyl cellosolve/16.0
"Renex" 690 or "Renex" 698/2.0
The cleaner can be applied by spray, dip or flow-brush. It should be
left on clean metal long enough to wet it completely and on rusted metal
long enough to loosen the rust. It is then flushed off with water,
preferably hot water.
Wipe-off Typ
"Renex" 690/2.0
Phosphoric acid (85%)/14.0
Butyl cellosolve/25.0
Water/34.8
Water/59.0

配制方法:

The wipe-off type should be left on the metal surface for about 30 sec. It should then be wiped off with damp and then dry rags. The surface may show a film of gray-white iron phosphate and is then ready for coating.