Cored Solder Wire

Warton Solder Products manufactures a comprehensive range of flux-cored solder wires for electronics, electrical, industrial and metal fabrication applications.

Our cored solder wires are available in leaded and lead-free alloys, with a wide choice of flux formulations, flux percentages, reel sizes and wire diameters from 10 SWG (3.25 mm) to 34 SWG (0.234 mm). Larger diameters, including 5 mm and 7.02 mm, are also available for selected applications.

Products can be supplied to recognised industry standards including BS EN 29454, ISO 9453 and IPC/J-STD classifications where applicable. If you require a specific alloy, flux classification or customer specification, please contact us.

Cored Wire Flux Options

Product	Description	Halide Content	Alloys Available	Flux Percentage	Specification
Nexus Nu-Clear	No clean, clear minimal and non-tacky residue. Powerful wetting even on oxidized copper, brass and tin substrates. Low odour, non-offensive fume. Very fast soldering. Suitable for fast ‘drag soldering’ and high speed automated soldering.	Halogen Activated 1.5% Nominal	Lead Free & Leaded	3, 2, 1%	ROM1 J-STD-004B
Nexus Gold	No clean, clear minimal and non-tacky residue. Powerful wetting even on oxidized copper, brass and tin substrates. Low odour, non-offensive fume. Very fast soldering. Suitable for hand soldering, automated and high speed soldering.	Halogen Activated 0.5% Max.	Lead Free & Leaded	3, 2, 1%	ROL1 J-STD-004B
Nexus Space	No clean, clear minimal and non-tacky residue. Suitable for most aerospace and satellite applications.	Halide Free	Lead Free & Leaded	3, 2, 1%	ROL0 J-STD-004B
Autosol RA	No clean, rosin activated formulation for hand soldering, automated and high speed soldering. Autosol offers rapid efficient soldering of copper, brass, nickel and zinc. Applications include lamp and component technology and sensitive electronic assembly.	Halide & Halogen Activated	Lead Free & Leaded	3, 2, 1%	ROM1 J-STD-004B
Future HF	No clean, halide free, exhibiting the absolute minimum of clear residue after soldering, with no offensive odours generated during the soldering process.	Halide Free	Lead Free & Leaded	2, 1%	ROL0 J-STD-004
Omega II	No clean, rosin free (colophony free) Omega contains no resin acids, pine oil or other naturally occurring derivatives and has specifically been designed to reduce the number of world- wide cases of industrial asthma, related to rosin usage with a cored solder wire. Omega provides excellent wetting whilst leaving a minimal, clear residue.	Halide Free	Lead Free & Leaded	3, 2, 1%	REL0 J-STD-004B
Hydro Flux	A water washable cored solder wire suitable for surface mount and conventional assemblies. Residue must be removed.	Organic Activated	Lead Free & Leaded	2%	2.1.2 BS EN 29454 1994
Activ8	An acid cored solder wire for metal fabrication. Activ8 will solder brass, bronze, cadmium plating, copper, galvanised wire, iron, lead, mild steel, nickel and nickel plating, resistance wires (most types although flux residues should be removed), silver, spring steel, most stainless steels (using 96S), tinplate and zinc and zinc plating. Activ8 residues should be removed. Activ8 should not be used on electronic assemblies.	Halide Activated	Lead Free & Leaded	4, 3%	3.1.1 BS EN 29454 1994

Other wire fluxes available, for process specific & specialised application requirements please contact sales@wartonsolder.co.uk for more information.

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Flux Classification and Testing

J-STD-004 is the IPC standard used to designate the requirements for soldering fluxes. As is the case with international standards, updates happen which can result in the classification of a soldering flux changing.

We at Warton Solder Products would like to take the opportunity to offer some basic information on the latest standard requirements for the classification of soldering fluxes, including how halide content is evaluated in accordance with the latest standards.

If you would like to know more about how soldering flux classification works and what these classifications mean to you and your customers then please read our cored solder flux classifications questions and answers help page.

Flux Classification Questions & Answers

Wire Gauge / Diameter

SWG	MM	INCH
10	3.25	0.128
11	2.95	0.116
12	2.64	0.104
13	2.34	0.092
14	2.03	0.080
16	1.63	0.064
18	1.22	0.048
19	1.02	0.040
20	0.914	0.036
21	0.813	0.032
22	0.711	0.028
24	0.559	0.022
26	0.457	0.018
28	0.376	0.014
30	0.315	0.012
32	0.274	0.010
34	0.234	0.009

Thicker gauges such as 7.02mm, and 5mm are available, please contact sales@wartonsolder.co.uk for more information.

Leaded Alloys Available

Alloys available to BS 219: 1977, EN 29453: 1994 and ISO 9453:2020, IPC-J-STD-006A. Please contact us if the alloy you want is not listed.

Sn63/Pb37, Sn60/Pb40, Sn50/Pb50, Sn45/Pb55, Sn40/Pb60, Sn35/Pb65, Sn30/Pb70, Sn70/Pb30, Sn20/Pb80, Sn15/Pb85, Sn50PbCu1, Sn60PbCu2, HMP 5S, LMP 62S, TLS/5 (LS4), Pb95/Ag5

Lead-Free Alloys Available

Alloys available to BS 219: 1977, EN 29453: 1994 and ISO 9453:2020, IPC-J-STD-006A. Please contact us if the alloy you want is not listed.

Lead Free 99C, 97C, 95A, 96S, 96/4, 98S, 95S, Tin, TSC, SAC405, SAC305, SAC105, SAC3, SAC2, SAC1, Sc100e

Packaging Options

Available in 100g, 0.25kg, 0.5kg, 1Kg, 2Kg, 2.5Kg, 3Kg, 5Kg, 10Kg, 15Kg and 25Kg reels.

Standard and DIN specification reels available.

Important Product Information

The Company warrants only that the goods will correspond as to quality and description with the Company’s own specifications, as set out in the relevant product data sheet.

All other terms, conditions or warranties relating to quality, fitness for purpose or performance, whether express or implied, are excluded to the fullest extent permitted by law.

It is the Buyer’s responsibility to satisfy itself, by inspection and testing of samples before placing an order, that the goods are suitable for the intended purpose, conditions of use, operating environment and any process or combination with other goods or materials.

In no event shall the Company be responsible for special, incidental or consequential damages, whether the claim is in contract, negligence or otherwise.

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