UV Curable Solder Mask Ink is a photosensitive resin compound used to insulate, protect, and repair printed circuit boards (PCBs). It’s applied over exposed copper traces, pads, or reworked areas and cured using ultraviolet (UV) light to create a hard, protective coating. 🔍 Key Features: # Type Liquid UV-curable epoxy/ink # Color Options Green (most common), black, red, blue, white # Curing Method UV light (365–405 nm) # Cure Time 5–15 seconds (with strong UV light) # Viscosity Thick enough to stay in place; can be spread with a brush or squeegee # Volume Usually 10cc/10ml syringes # Shelf Life 6–12 months (store in a cool, dark place) 🛠️ Main Uses: # Protects repaired PCB traces or pads # Covers exposed copper to prevent oxidation or short-circuits # Reinforces jumper wires or weak solder joints # Masks areas during reflow or wave soldering # Aesthetic finishing for reworked PCBs ✅ Benefits: *Fast curing under UV light *Excellent adhesion to PCB materials *Strong insulation properties *Improves durability and moisture resistance of repaired boards *Easy application via syringe