KF-P-NCF-15L non-chrome conversion coating

Product Features

KF-P-NCF-15L non-chrome conversion coating chemical is able to use for wide range of Aluminum alloys in powder coating pretreatment. Its advantages are fast, homogeneous and  smooth coating, low roughness, strong adhesion, good anti-corrosion, chemistry  stable, good anti-acid and heat-resistant. Compliance to European new chrome-free standard. Operation at 30~45 degrees centigrade and immersion time for 1.5 to 2 minutes.

Operating Conditions

  • PH: 2~3
  • Temperature: 30~45℃
  • Time: 1.5~2min
  • Free Acid: 1~4

Making of new bath

Mix KF-P-NCF-15L with D.I. water at concentration 50kg/m3 with accelerant 4g/L(add according to pH).

Fill in D.I. water to bath to about two-third of volume, then slowly add KF-P-NCF-15L and mix thoroughly. Test and adjust free acid and pH to operating range. KF-P-NCF-15L is ready to use.

*Tank material: SUS 304

*Heating and temperature control system are required

Operation Process

 

Process
Temperature
Immersion Time
Pre-Degreasing
45~60℃
1.5 Minutes
Degreasing
45~60℃
1.5 Minutes
Water Rinsing
Room Temperature
1 Minute
Water Rinsing
Room Temperature
1 Minute
Pickling
Room Temperature
1.5 Minutes
Water Rinsing
Room Temperature
1 Minute
Water Rinsing
Room Temperature
1 Minute
KF-P-NCF-15L Non-chrome conversion
30~45℃
1.5~2 Minutes
Water Rinsing
Room Temperature
1 Minute
Water Rinsing
Room Temperature
1 Minute