Kailiwei UV-218 Flux Paste

• It’s a lead-free flux paste, designed for PCB / BGA / SMD rework.
• No-clean: After soldering, it doesn’t leave corrosive residue (or at least minimal) so cleaning isn’t strictly necessary.
• UV visibility: The flux is formulated to “glow” under UV light. This can help you inspect whether you’ve applied enough flux or where it's placed.
• Good wetting behavior: Helps solder flow better, reduces oxidation, which is especially useful for fine-pitch components.
• Package / Format: Typically sold in paste / grease form (syringe or tub).
• Weight / Size: Commonly found in 100?g tubs according to seller listings.
• Use Cases: Best for BGA rebelling, chip-level rework, PCB repair — especially where you don’t want to wash flux afterwards.