Thermosetting acrylic resin CB-89 for electroplating varnish
This product is designed for vacuum plating, water electroplating of Cr and Ni, or in Stainless, etc. The developed 2K-PU topcoat has the characteristics of excellent adhesion, good dye compatibility and good alcohol resistance.
Application
(1). Water electroplating Cr, Ni and true aluminum plating on ABS material 2K-PU varnish
|
Main agent |
Weight ratio (g) |
Hardeningagent |
Weight ratio (g) |
|
CB-89 |
25.0 |
TPA-100 |
1.46 |
|
Thinner |
20.0 |
TMOF |
0.05 |
|
|
|
TOL |
2.49 |
|
|
|
BAC |
0.5 |
|
Total |
45.0 |
℃ |
4.5 |
(2) 2K-PU varnish on Stainless (stainless steel) TPA-100 specifications (NV:100%, NCO% 23.1); Thinner composition: MEK/DIBK/TOL/BAC=4/3/2/1(Wt.)
Main agent/hardener/thinner=10/1/5(Wt.)
NKⅡ 8″~ 8″5 Spraying Baking conditions: 65℃/1 hour; coating film Performance: Adhesion OK
|
Main agent |
Weight ratio (g) |
Hardeningagent |
Weight ratio (g) |
|
CB-89 |
22.5 |
TPA-100 |
2.25 |
|
KFLEX-188 |
1.2 |
TMOF |
0.05 |
|
(20%)CAB551-0.2 |
0.25 |
TOL |
1.7 |
|
DBTDL(10%) |
0.05 |
|
0.5 |
|
Thinner |
16.0 |
|
|
|
Total |
40 . 0 |
|
4.0 |
Thinner composition: MEK/DIBK/TOL/BAC=4/3/2/1(Wt.); Main agent/hardener/thinner=10/1/6(Wt.)
NKⅡ 8″~ 8″5 Spraying Baking conditions: 80℃/1 hour ;Coating film performance: resistant to boiling water for 1 hour, appearance and adhesion OK
>
DBTDL(10%)
0.05
0.5
Thinner
16.0
Total
40 . 0
4.0
Thinner composition: MEK/DIBK/TOL/BAC=4/3/2/1(Wt.); Main agent/hardener/thinner=10/1/6(Wt.)
NKⅡ 8″~ 8″5 Spraying Baking conditions: 80℃/1 hour ;Coating film performance: resistant to boiling water for 1 hour, appearance and adhesion OK