Liquid photoimageable solder mask is one kind of solder resisting ink, which widely be used on PCB of two-component, screen printing, high precision, lye-development.

Brief introduction:
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.
KSM-S6189 series of all the color ink has passed the safety certification of UL94 V-0.

Description:
Product name: Liquid photoimageable solder mask
Model: KSM-S6189
1. The quality of liquid photosensitive solder resist ink is very excellent, suitable for the manufacture of high-end electronic products, the price is moderate.
2. It is recommended to use KSM-S6189, which has a variety of colors to choose , good color stability , good screen printing adaptability and excellent adhesion , high resistance to chemicals and heat. It has extensive operating conditions .
3. Liquid photosensitive solder resist ink has good printing properties, its density, heat resistance, chemical resistance is extremely excellent, has a wide range of operating conditions, is a very general and easy to operate, highly acceptable ink.

Parameters:
Color: Green,Blue, Black, Yellow, White, Red
Fineness: ≤8µm 0 ~25µm Fineness gauge
Mix ratio: Base/Hardener=3:1 Weight ratio
Solid content after mixing: 75±3% surface printing ink
84±3% tamponade series
Viscosity after mixing (25ºC): 200±30 d Pa.s VT-04F surface printing ink
300±30 d Pa.s VT-04F tamponade series
Density after mixing (25ºC): 1.30 ~1.50 g/ml
Pot life after mixing: 24 hour Store below 25ºC in dark
Environment standard: In compliance with RoHS directives SGS testing
Halogen content : ≤600ppm Only KSM-S6188 E series
Pre-baking limit: 75ºC , 70 min
Exposure energy: 300 ~600 mJ/cm2 The effective value through the polyester film
Package Base : 750g , Hardener :250 g According to customer requirements
Base : 3.35kg , Hardener :1.25kg
Shelf life: 6 months since the date of manufacture Store below 25ºC in dark