Rosin is a resinous substance that is used in the soldering process. It is pine and fir in the matter from the resin of the trees obtained.

As previously used resin?

Rosin has long been used as a means for rubbing bows with which to extract the sounds from the violin and other stringed instruments. In the middle ages healers knew about the healing properties of pine and spruce resin, and used rosin powder as a therapeutic drug. The illusionists resin served as the assistant to show some tricks. At contests in archery warriors smeared it tips of their arrows to accidental injury not led to the contamination.

Greece still preserved a tradition to use pine rosin for smearing jams and crevices of the barrels before pouring into them a white wine. In the SEVENTEENTH and EIGHTEENTH centuries, the resin was added to all lubricants. Therefore, travelling in carriages or carts were obliged to leave at the stations of his route charge for greasing the wheels, as the process of production of these viscous materials were very costly.

How to use resin in our day?

Rosin and its derivatives have found application in the manufacture of paper and paperboard, in the manufacture of plastics, synthetic rubber, artificial leather, varnishes, paints, mastics, linoleum. Rosin is one of the components of certain pharmacological drugs, need it, and in brewing. On its basis is made of a substance which increases blood circulation and is used in the manufacture of aromatic oils.

But the most popular use of this resinous substance – soldering process. To connect the parts under the heat of the soldering iron needed to solder. Rosin contributes to its adhesion to the tip of the iron does not allow to spread over the surface. This greatly facilitates the soldering process and makes it more simple. To successfully connect the parts rosin can be rubbed (tin) designated spikes or, conversely, to immerse the soldering tip. And in that and in other case, the resinous substance will ensure the adhesion of the solder.

The quality of the rosin depends on what raw materials it is made and the different ingredients. The budget is the product obtained from the wastes of paper production and contains plasticizer and preservative and chemical substances. Such resin cannot be used for processing of musical instruments, as it can damage lacquer coating and have a negative impact on the health of the musician. The best rosin Laubach. It contains micro-particles of gold of 999 tests.