JH-C7 has double action to degrease and to remove oxidized film. Specially suitable to the pretreatment of aluminum profiles produced with wasted aluminum. The advantage: process is simple, it can keep the brightness of aluminum profiles.

1. Bath Composition (For make-up):

JH-C7
Water

40g/L
balance

2. Processing Parameters:

Temperature
Time

Room Temperature
3-10min

3. Bath Maintenance:

(1) 5kg of JH-C7 should be added for treating one ton of aluminum profiles.
(2) The bath should be cleaned up regularly, because impurities, dust and others may contaminate the bath liquid during the production process.