Riesba NC-559-ASM is a gel flux for repairing small-electronics boards: soldering BGA and SMD parts, swapping ICs and restoring contact traces. It has medium activity and low corrosivity and needs no cleaning afterwards. The flux comes in a 10 ml syringe with a dispensing needle, and the included fine needle tip helps place it precisely.
Specifications
| Feature | Details |
|---|---|
| Brand and model | Riesba NC-559-ASM |
| Form | Gel, paste-like |
| Syringe volume | 10 ml |
| Residue cleaning | Not required (No-Clean) |
| Activity | Medium |
| Corrosivity | Low |
| Jobs | BGA, SMD, ICs, general electronics |
| Dispensing | Needle on the syringe |
| Set | Flux gel and fine needle tip |
What you get
- Two needles for different jobs — the syringe dispenser for routine work and a fine tip for tight spots.
- No board washing — a no-clean flux.
- Low corrosivity — residue is less of a risk for thin traces.
- Gel that stays in place — the paste consistency does not spread.
- Medium activity — for everyday electronics repair.
Who it is for
Service technicians replacing BGA chips and SMD parts in smartphones, tablets and laptops, and home repairers who occasionally restore traces on boards. It is especially handy for anyone working under a microscope who values precise dosing.
Who should look elsewhere
If you solder large parts with heavy oxide layers, a more active flux is the better choice. Also note that the supplier does not give an activity temperature range.
Applications and compatibility
The flux is used for precise BGA and SMD soldering, contact trace restoration, servicing smartphones, tablets, laptops and other small electronics, and wherever residue is not washed off after soldering. The supplier does not name specific equipment it has been tested with.
What is in the box
A syringe of Riesba NC-559-ASM flux gel, 10 ml, with a dispensing needle, plus a fine needle tip.
Questions and answers
What comes in the set?
A 10 ml syringe of flux gel with a dispensing needle and an extra fine needle tip.
Is it safe to leave residue on the board?
It is a no-clean flux with low corrosivity, so the residue does not need to be washed off.
Which jobs is it suitable for?
BGA, SMD and IC soldering, trace restoration and general electronics work.
Is the flux runny?
No, it is a paste-like gel that stays where it is applied.
Reviews
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