Halogen-Free Flux

Halogen-free flux is a soldering aid free from halogen components, suitable for electronic soldering, offering environmental benefits and reduced corrosion risks.

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Flux products have been tested by the Industrial Technology Research Institute (ITRI) - Electronics Department, meeting the surface insulation resistance test standards. These fluxes are suitable for soldering operations on various electronic substrates and components. They offer high operability, low residue, no corrosion, high insulation, excellent diffusion rate, and high reliability. These fluxes can meet the requirements of hole filling, solder wetting rate, and yield in lead-free processes.

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Halogen-Free Flux Specification.pdf

Item	PR-604	PR-608	PR-614	PR-630	PR-504
Color & Appearance	Light yellow, transparent liquid	Light yellow, transparent liquid	Light yellow, transparent liquid	Light yellow, transparent liquid	Light yellow, transparent liquid
Solid Content (Wt%)	4.0 ± 1.0	8.0 ± 1.0	14.0 ± 1.0	30 ± 2.0	7.0 ± 1.0
Specific Gravity (25°C)	0.808 ± 0.01	0.820 ± 0.01	0.840 ± 0.01	0.885 ± 0.01	0.798 ± 0.01
Insulation Resistance (Ω)	1×(10^12) over	1×(10^12) over	1×(10^12) over	1×(10^12) over	1×(10^12) over
Diffusion Rate (%)	85 over	88 over	85 over	88 over	90 over
Corrosivity	Pass	Pass	Pass	Pass	Pass
Drying Quality	Pass	Pass	Pass	Pass	Pass
Acid Value (mg-KOH/g)	20 ± 2	23 ± 2	25 ± 2	31 ± 2	16 ± 2
Flash Point (°C)	12	13	14	15	13
Halogen Content (%)	0.15	0.15	0.15	0.15	ND
Diluent	Specialized	Specialized	Specialized	Specialized	Specialized
Preheating Temperature (°C)	85~105	85~105	85~105	85~105	85~105
Remarks	Halogen testing complies with IEC 61249-2-21	Halogen testing complies with IEC 61249-2-21	Halogen testing complies with IEC 61249-2-21	Halogen testing complies with IEC 61249-2-21	Halogen testing complies with IEC 61249-2-21