Flux and rosin are products that every soldering iron should be equipped with. They are basic products, necessary during soldering work. During soldering there is a risk that a coating of non-metallic compounds will form on the treated surface, usually it is the effect of the metal's reaction with the atmosphere. It has an adverse effect on the bonding effect, because it makes it difficult to form a solid weld. However, we can remove the coating, for which the flux is intended. This makes the surfaces to be bonded perfectly clean. At the same time, the fluxes protect against the formation of oxides during soldering. The advantage of using the flux is also the possibility to use high current without the risk of high arc radiation. This translates into efficient and safe work. Another task of the flux is to reduce the risk of chipping on brazed materials. In our store's offer there are fluxes and rosin with different parameters and properties available. You can adjust them individually to the working conditions, soldered elements and your own preferences.
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Rosin / resin and fluxes
Products: 23
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Liquid flux type "no clean". The package has a volume of 15 ml.
Index: CHE-00433
Index: CHE-00433
Concentrated rosin flux class RMA is designed for SMD assembly.
Index: CHE-00632
Index: CHE-00632
High-quality soldering acid ensuring a perfect finish when soldering on nickel-plated surfaces . The offered preparation is placed in a 100 ml package.
Index: TRP-23602
Index: TRP-23602
Gel flux thickened, designed for surface mounting of SMD elements. RMA class colophony flux does not require washing after soldering. It is in the form of a light brown...
Index: TRP-16727
Index: TRP-16727
Universal TK83 flux with a medium-active, alcoholic rosin formula with the addition of organic activators. For even distribution of the preparation, the bottle is equipped...
Index: TRP-23615
Index: TRP-23615
Liquid flux type "no clean" with a brush. Packing volume of 50 ml.
Index: TRP-10894
Index: TRP-10894
LP1 flux for SMD soldering - 100ml
LP1 flux , offered by TermoPasty , is a colorless liquid with a slightly straw color, which is characterized by a sharp, alcoholic odor and low density - 0.8 g/cm³ at a...
Index: TRP-23611
Index: TRP-23611
Soldering acid with brush 35ml
Brazing acid used when working with nickel-plated surfaces . There is a convenient brush on the cap to facilitate even distribution of the preparation. The package has a...
Index: TRP-23600
Index: TRP-23600
Soldering acid with brush 50ml
A product designed to work with nickel-plated surfaces , removing residues and ensuring a perfect finish. The brush placed on the cap allows you to conveniently distribute...
Index: TRP-23601
Index: TRP-23601
Flux TS81 for soldering steel - 100ml
TS81 flux is a modern steel brazing agent with a unique formula that facilitates cleaning and ensures easy removal of residues . The product was placed in a 100 ml package.
Index: TRP-23617
Index: TRP-23617
Index: NSZ-02424
Liquid, medium-active flux which is an alcohol solution of rosin with the addition of organic activators. Designed for installation of SMD and BGA and soldering in tight...
Index: TRP-12441
Index: TRP-12441
Soldering acid with brush 100ml
Brazing acid used when working with nickel-plated surfaces . Even distribution is facilitated by the brush placed on the cap. The package contains 100 ml of soldering acid.
Index: TRP-23603
Index: TRP-23603
AC 81/N flux - calcium-free - 100ml
AC 81/N flux is a modern product designed to ensure effectiveness during soldering. As a 2.1.2/3 A flux, it is characterized by high activity. It is an aqueous solution...
Index: TRP-23609
Index: TRP-23609
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Universal TK83 flux with a medium-active, alcoholic rosin formula with the addition of organic activators. The preparation was placed in a 500 ml package, which ensures...
Index: TRP-23616
Index: TRP-23616
Flux TS81 for soldering steel - 500ml
TS81 flux is a modern steel brazing agent with a unique formula that facilitates cleaning and ensures easy removal of residues . The product was placed in a 500 ml package.
Index: TRP-23618
Index: TRP-23618
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Flux TK83 for soldering SMD - 50ml
TK83 flux is an alcoholic colophony solution with the addition of organic activators, designed for soldering at a temperature of 280°C maximum. The product is a liquid,...
Index: TRP-15858
Index: TRP-15858
AG5 flux for SMD board soldering - 100ml
AG5 flux for soldering SMD boards from TermoPasty . It is a transparent liquid with an alcohol-resinous odor . For easier application, the bottle is equipped with a brush....
Index: TRP-23610
Index: TRP-23610
RF800 flux is a medium-active rosin solution, irreplaceable in the SMD machine soldering process. Perfectly wets copper and tin-lead surfaces, ensuring reliability and...
Index: TRP-23614
Index: TRP-23614
Thickened rosin flux of RMA class, intended for SMD mounting. It comes in a syringe with volume of 14 ml.
Index: CHE-05692
Index: CHE-05692
Index: NSZ-00169
See also
Is soldering flux more important than tin?
The answer to this question may be surprising - but to some extent the answer can be affirmative. Although uneven tin and a good quality alloy significantly improve the soldering results, even old or improperly made connections can often be re-soldered without even using a piece of new tin - the main role is played by the soldering flux.
Flux, i.e. the proper course of soldering
Even the best solder with the addition of organic activators without flux (e.g. due to too long heating or using too high a temperature) will quickly lose its original properties (e.g. in the case of high current). Although you should not overdo it with flux - it is necessary for every solder, which can be particularly noticeable in SMD assembly (in the surface SMD soldering process). But which soldering flux should you choose?
Types of fluxes
The choice of flux (e.g. for soldering copper) is often dictated by the previous preferences and experience of the installer, but some general principles can be indicated. The simplest and most frequently used flux by many people is ordinary activated rosin - nothing more than a high-purity resin, enriched with chemical compounds that make soldering much easier. Heated solder rosin hardens quickly, and after cooling it becomes brittle, which can be seen especially on older boards.
Working with gel and liquid fluxes is completely different. The former are perfect for SMD soldering, because when applied to the board they retain their properties for a long time, melting only near the tip. Liquid fluxes evaporate very quickly, but therefore do not leave any traces, which are still quite visible in the case of gel fluxes. Both types of fluxes mentioned above often come in the "no clean" variety, which means that they do not require washing the tiles after use (although this is good practice in most cases).
Fluxes available at the Botland store
In this category you will find various types of fluxes, perfect for all assembly and repair works. For traditionalists, we have classic rosin in cans of 20, 40 and 100 g. People involved in SMD assembly will especially appreciate fluxes in gel (e.g. the excellent Flux RMA 223), in the form of a pen (Flux Pen TK83) and liquid (RF800, available in various packages from 15 ml to 100 ml). For professionals, we also have high-class, thickened gel flux from AG Termopasty, packed in convenient syringes.
Rosin and flux are one of the basic elements of good soldering. We also offer high-quality soldering pastes that ensure smooth soldering. We also offer solder pastes intended for both SMD and THT soldering. Solder paste may additionally contain tin, which enriches its composition. Selected products have a lower melting point, which ensures a higher level of safety during soft soldering. Buy them at the Botland store - a proven supplier.
Rosins and fluxes - FAQ
Flux is a mandatory accessory in the workshop of soldering beginners. It usually comes in the form of a paste. It removes oxides and impurities, prevents the formation of new ones, facilitates melting and improves soldering fluidity, and also increases the moisture of the solder on the brazed material. Its residues should be removed to prevent corrosion.
SMD surface soldering is associated with precision and minimalism. Thickened rosin fluxes work well here because they allow easy application to the material. Gel fluxes applied to the board will maintain their properties for a long time, such as, for example, they do not require cleaning after soldering and are non-corrosive. Flux RMA 223 .
Rosin is a soft, natural resin containing appropriate activator compounds. It is created after distillation of turpentine from resin - most often pine resin. It is used as an excellent flux for tin-lead soldering. Other materials used as fluxes include silica, dolomite, lime, borax and fluorspar.