1.solder ink for PCB with high quality 2. American UL certification 3.ISO9001 4.ISO14001 5.double-sided boards
KSM-S6189 is two-component , screen printing , high precision , lye-development solder mask ink. It is applicable to double-sided board and multi-layer board for making thin and intensive circuit. It has good screen printing adaptability and good surfacing. The post cured film provides excellent adhesion , resistance to chemicals and heat.
1. Properties of ink
Items | Features | Notes |
Color | Green,Blue,Yellow,Red,Black,White | About 50 types |
Fineness | ≤8 u m | 0-25 u m Fineness gauge |
Mix ratio | Base/Hardener = 3:1 | Weight ratio |
Solid content after mixing | 75±3% |
|
82±3% | Tamponade series | |
Viscosity after mixing(25degree centigrade) | 200±30dPa . s | VT-04F |
300±50dPa . s | VT-04F,matt and tamponade series | |
Density after mixing(25 degree centigrade) | 1.30-1.50g/ml |
|
Pot life after mixing | 24hour | Store below 25 degree centigrade in dark |
Environment standard | In compliance with RoSH directives | SGS testing |
Halogen content | ≤600ppm | Only KSM-S6188 E series |
Pre-barking limit | 75 degree centigrade, 70min |
|
Exposure energy | 300-600mj/2 | The effective value through The polyester film |
Package | Base:750g,Hardener:250g | Conventional package |
Base:3kg,Hardener:1kg | According to customer requirements | |
Shelf life | 6 months since the date of manufacture | Store below 25 degree centigrade in dark |
2. Properties of the film(after post cured)
Items | Features | Notes |
Pencil hardness | ≥6H | Pencil harder |
Solvent resistance | Good | 25°C,C2H5OH ,20min |
Acid resistance | Good | 25°C,10vol%H2SO4 ,20min |
Alkali resistance | Good | 25°C,10vol%NaOH ,20min |
Insulation resistance | ≥1.0×1012Ω | IPC-SM-840D 3.8.2 |
Resistance to molten solder | 288°C×10secends×3times OK | IPC-SM-840D 3.7.3 |
Resistance to flame | UL94V-0 | Certified number:UL-E189612 |
Attention :
1.The base and hardener should be mixed according to the ratio and stirred thoroughly before using.
2.We will offer you special diluent or DPM if the ink need dilute.
3.The values above are based on experiments in our lab. Experiments need to be carried out in order to get proper using condition.
PCB ink for KSM-S6189
