Rongda PCB ink manufacture

A-9000 liquid photoimageable etching and plating ink is made from excellent materials with higher resolving power, anti-etching and excellent anti-plating. It is applicable to the manufacturing of high-precision circuit board. Technical parameters are showed in the following table (at room temperature conditions unless otherwise noted):<br />
 <br />
Model<br />
ProperitiesA-9000<br />
ColorBlue<br />
Viscosity<br />
(25℃ VT-04E/F)60~70 dPa.s<br />
Pre-cure<br />
75±5 ℃The 1st side10 min<br />
The 2ndside20 min<br />
Exposure energy100~200 mj/cm2, 7~9 grade<br />
Film hardness<br />
(after exposure)2H<br />
Development1%Na2CO3 aqueous solution, 30℃, 2 kgf/cm2 pressure<br />
Adhesion(copper surface)100/100<br />
Resolution50 µm<br />
Stripping3~5%NaOH solution, 50℃, 3~5 min<br />
Package5 kg/barrel, 1 kg/barrel<br />
Shelf life<br />
(stored in dark place at less than 25℃)6 months<br />
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