Rongda PCB ink manufacture

I. Introduction <br />
UVS-1000 type solder resist ink is UV curing solder mask developed for printing circuit board. It does not contain solvent without pollution. It is characterized by fast curing, excellent adhesion after curing and excellent heat resistance and insulation. Technical parameters are showed in the following table (at room temperature condition unless otherwise noted):<br />
Model<br />
 <br />
ProperitiesUVS-1000<br />
ColorG (green), BL (blue)<br />
Viscosity (VT-04E/F)130±30 dPa.s<br />
Cure conditionNumber and variety of lampsHigh pressure mercury lamp or halogen lamp 80W/cm<br />
Irradiation distance10 cm<br />
Transmitter speed3~7m/min<br />
Film hardness4H<br />
Adhesion100/100<br />
Chemical resistance10%H2SO4 5%NaOH, C2H3CL3, 60 min<br />
No discoloration or falling out<br />
Insulation resistanceAbove 1×1011<br />
Package5 kg/barrel<br />
Shelf life<br />
(stored in dark place at less than 25℃)6 months