Product composition: Modified epoxy-amine, enclosed type isocyanate, pigment filling and so on
Product features: Fine water dispersibility, construction stability, low coating cost and excellent comprehensive performance
Application field: for electrophoretic painting of metal parts in vehicle and household appliances
Index:
| Item |
Index
|
Testing method
|
|
appearance
|
no caking
|
visual inspection
|
|
solid component(%)≥
|
68
|
GB/T1725
|
|
fineness (μm)
|
≤25
|
GB/T1724
|
Bath solution index:
| Item |
Index
|
Testing method
|
|
solid component (%)
|
16-18
|
GB/T1725
|
|
PH value (25℃)
|
5.7-6.4
|
PH
|
|
specific conductance(μs /cm) (25℃)
|
1200±400
|
HG/T3952
|
|
MEQ value
|
40-60
|
HG/T3952
|
|
binder ratio
|
0.30-0.50 (grey)
0.16-0.20 (black)
|
HG/T3952
|
|
throwing power (cm)
|
＞17
|
HG/T3952
|
Coating process :
| Item |
Index
|
| bath temperature control (℃) |
23-27 |
| pressure voltage (v) |
150-300 |
| electrophoresis time (s) |
120-180 |
| drying condition (℃/min) |
170/30 |
Film property :
| Item |
Index
|
Testing method
|
|
appearance
|
smooth
|
visual inspection
|
|
film thickness (μm)
|
18-24
|
GB/T1764
|
|
adhesive force
|
0-2
|
GB/T9286
|
|
flexibility (mm)
|
≤2
|
GB/T1731
|
|
pencil hardness (H)
|
≥2
|
GB/T6739
|
|
shock resistance(cm)
|
50
|
GB/T1732
|
|
salt fog resistance (h)
|
720
|
GB/T1771
|
|
Pesticide technical materials
