Mechanic iSm5 Jumper Wire Soldering Paste – High-Activity Flux Paste for Enameled Jumper Wire & Pad Flying Repairs

Overview 

The Mechanic iSm5 is a specialized, high-activity soldering flux paste engineered specifically for micro-soldering flying wires, motherboard pad bridging, and enameled jumper wire connections. Stripping thin varnish or enamel coatings off 0.01mm–0.02mm micro-jumper wires can be tedious and damage fragile strands; the iSm5 paste solves this by chemically breaking down the insulating layer upon contact with a hot soldering iron tip while instantly pre-tinning the underlying copper core.

Key Features 

• Self-Stripping Varnish Breakdown: Chemical activators melt away enameled insulation coatings on contact under heat, eliminating the need for manual scraping or blade burnishing.

• Instant Pre-Tinning Action: Simultaneously cleans oxidation and plates the bare copper wire with a smooth, bright layer of solder in seconds.

• Micro-Point Viscosity: High-tack paste gel adheres directly to tiny jumper wires and fine micro-pads under microscopic inspection without running off.

• Non-Conductive No-Clean Residue: Leaves a clear, high-insulation barrier post-soldering that prevents accidental shorting across adjacent trace lines.

• Protects Micro-Pads: Facilitates fast, low-temperature joint formation to prevent lifted pads or thermal damage on thin smartphone PCBs.

Technical Specifications 

Common Applications

• Tinning 0.01mm, 0.02mm, and 0.05mm ultra-fine enameled jumper wires without scraping

• Reconnecting broken logic board trace lines and torn BGA pads (flying wire technique)

• Face ID, Dot Projector, Touch IC, and Home Button flex cable jumper repairs

• Laptop, iPhone, and Android micro-soldering wire jump procedures