Cleaning media

Selection of a suitable cleaning method

cleaning quality & follow-on process

Cleaning quality Post-cleaning process
  H2O H2O
CNp
KW Alk.-
Prop.
Lösem.
+H2O
PER   H2O H2O
CNp
KW Alk.-
Prop.
Lösem.
+H2O
PER
Preliminary cleaning + + + + + + Painting +(4) +(4) 0 + + +
Final cleaning + + 0 + + + Vacuum depositing +(4) +(4) 0 + + +
Deep cleaning + + 0(1) +(1) + 0 Galvanizing + + - + + +
Spot-free +(4) +(4) 0 0 + 0 Plasma +(4) +(4) 0 + + +
Hydrocele test 0 +(4) 0 + + + Heat treatment 0 0 0 + + +
Salt-free + + - 0(2) + - Branding +(4) +(4) 0 + + +
              Bonding 0 +(4) - + + +
              Welding + + 0 + + +
Small parts/bulk materials good without rotary movement - + 0 0 0 + Further processing + + + + + +
Level surface, closely spaced - + - 0 0 + Assembling + + + + + +
Blind holes < 1mm - + - +(1) 0 + Intermediate storage 0(3) 0(3) + + + +
              Storage/Transport 0(3) 0(3) +(3) +(3) +(3) +(3)
  H2O H2O
CNp
KW Alk.-
Prop.
Lösem.
+H2O
PER   H2O H2O
CNp
KW Alk.-
Prop.
Lösem.
+H2O
PER

Assessment: + Good, 0 Limited, - Poor
Remarks: (1) with ultrasound, (2) with polar additives, (3) Addition of conservation material, (4) = Material-dependent

Part material & Impurity

Part material Impurity on the part
  H2O H2O
CNp
KW Alk.- Prop. Lösem. + H2O PER   H2O H2O
CNp
KW Alk.- Prop. Lösem. + H2O PER
Steel + + + + + + Cutting oil + + 0 + + +
Stainless steel + + + + + + Conservation oil 0 + 0 + + +
Brass + + + + + + Drawing grease 0 + 0 + + +
Copper 0 0 + + 0 + Wax 0 0 0 + + +
Aluminium + + + + + + Soap + + - 0 + -
Zinc 0 0 + + + + Emulsion + + - 0 + 0
Bronze + + + + + + Lubricant + + + + + +
Casting + + + + + + Lapping paste + + 0 + + 0
Glass + + 0 + + + Polishing paste 0(1) 0 0(1) 0(1) +(1) 0(1)
Plastic + + 0 - - +(2) Pigment + + 0 0 0 0
Ceramic + + 0 + + 0 Metal friction + + 0 0(1) 0(1) 0(1)
Sintered metal - + - 0 0 + Resin - - + + + +
Die-cast zinc + + + + + + Adhesives - - - 0 0 -
              Flux 0 0 - + + 0
              Fingerprints + + - 0 + -
  H2O H2O
CNp
KW Alk.- Prop. Lösem. + H2O PER   H2O H2O
CNp
KW Alk.- Prop. Lösem. + H2O PER

Assessment + Good, 0 Limited, - Poor
Remarks (1) with ultrasound, (2) with operation immerse/steam degrease at approx. 50 to 60°C