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Lead Free Solder Bar Sn99.3Cu0.7 SAC07


Lead Free Solder Bar Sn99.3Cu0.7 SAC07

Lead Free Solder Bar

Lead Free Solder Bar Sn99.3Cu0.7, often referred to as Solder BarSAC07, is a prominent soldering alloy designed to meet the stringent demands of modern electronics manufacturing. Composed of 99.3% tin (Sn) and 0.7% copper (Cu), this solder bar offers exceptional performance, reliability, and compliance with environmental regulations. For projects that need to comply with RoHS lead free regulations but budget has to be controlled, this solder alloy is a very good alternative to the leaded solder 63 37.


Specifications of Lead Free Solder Bar Sn99.3Cu0.7 SAC07:

Alloy Composition

99.3% Tin (Sn), 0.7% Copper (Cu)

Melting Point



20 to 25kgs/box


XF Solder or OEM service


Features of Specifications of Lead Free Solder Bar Sn99.3Cu0.7 SAC07:

RoHS Compliant

Sn99.3Cu0.7 solder bar is a lead-free composition. It meets environmental regulation like RoHS, making it allowed to be used in many applications

Exceptional Property

The alloy showcases outstanding wetting behavior and mechanical strength, ensuring strong bonding between the solder and surfaces being joined.

Universal Uses

Sn99.3Cu0.7 solder bar is compatible to most flux in the market, depending on what it is used to solder. Such as electronics flux, acid flux for metal etc.

Controlled Cost

This solder bar alloy is the cheapest one out of the 3 types of lead free solder bars, it helps to reduce the overall manufacturing cost of your projects.


Applications of Lead Free Solder Bar Sn99.3Cu0.7 SAC07:

For dip soldering or wave soldering of PCB and electrical parts. These ways of assembly have much higher output than doing manual soldering by using soldering wire.


It's used for tinning purpose of wires and electronics components.


It's also used for soldering metal sheets or metal parts, such as galvanized steel, copper, stainless steel materials.

Metal gutter soldering with solder bar

Metal Joinery

Dip Soldering with solder bar

Dip Soldering

wave soldering with solder bar

Wave Soldering


How to use Lead Free Solder Bar Sn99.3Cu0.7 SAC07?

For assembly of PCB or tinning of electrical parts, the solder bar Sn99.3Cu0.7 will be used in the methods of either dip soldering or wave soldering. Both methods we need to melt the solder bars in the solder pots or inside the wave soldering oven. But dip soldering is manual operation and brings us convenience of easy handling especially for small projects or customized projects; While the wave soldering is an automatic soldering process which can brings very high output and it's suitable for making mass production.


For metal joinery purpose, we will need soldering irons or torch gun for melting the solder bar SAC07 during using.



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