Silver solder Prs
Foreign brands.
Silver brazing alloys such as Rothenberger, Rolot S2 have a complex multi-component copper-based alloy. 1.5−2.5% Ag, 5.9−6.5% phosphorus, plus alloying additives such as cadmium, tin and others that increase the quality of the joint. Melting point: 650−810°C. Suitable for materials such as brass, copper and bronze. For brass and bronze flux paste LP5 is recommended. But such solders are not suitable for iron-nickel copper-nickel alloys.
PSR solders
The best selling brands are PSR 2, PSR 15, PSR 72 which are the most practical in use.
| Alloy | Fe | Ag | As | Sn | Pb | Cd | Sb | Bi | Impurities |
|---|---|---|---|---|---|---|---|---|---|
| PSR2 | ≤0.15 | 1,7−2,3 | --- | 29−31 | 61−64,65 | 4,5−5,5 | --- | ≤0.01 | ≤0.15 |
Solder PSRMC 37.5 and PSR 2.5 are less popular on the market. The classification classifies PSR solders into soft and hard. The former include those with a temperature of less than 300 °C. Accordingly, hard solder melts at t° more than 300 °C… There are technical tables of correspondence of solder PSR number and melting temperature. For example, solder PSR 72 has a melting point of 780 °C, and solder PSR 2.5 — 765 °C. PSRMC 37 is a type of silver solder. It has a melting point of about 692 °C. This means it can be classified as a hard solder.
| Alloy | Fe | Ag | As | Sn | Pb | Cd | Sb | Bi | Impurities |
|---|---|---|---|---|---|---|---|---|---|
| PSR2.5 | ≤0.15 | 2,2−2,8 | --- | 5−6 | 91−92,65 | --- | --- | ≤0.01 | ≤0.15 |
Advantages
Withstand high temperatures. No flux is needed to join copper with copper. Non-corrosive, environmentally friendly, high fluidity, high deformation characteristics, suitable for soldering systems subjected to considerable mechanical or thermal loads.
Application
Ideal for Capillary-slot soldering of copper pipes in cold and hot water supply systems, gas supply systems (liquid, natural gas) as well as for installation of refrigerating systems, air conditioning systems and oil pipelines. These brazing alloys are specially designed for capillary-slot brazing of copper pipelines without the use of fittings.
HTS solder
Used when it is necessary to braze aluminum. Allows you to perform work without using flux, which is very convenient because aluminum is covered with a dense oxide film, but only the solder hts 2000 is able to give a quality seam. This solder is very practical. For low-temperature welding of non-ferrous metal products, a gas torch, such as oxyacetylene, propane, or MAPP, is used. Its affordability and ease of use make it a leader among all known brazing solders for non-ferrous metals.
Supply
We supply certified silver solder of any brands of domestic and foreign firms. The specification includes data on the percentage composition and performance characteristics of products. With us it is easy to buy wholesale any semi-finished products for large-scale production. We also provide services to retail buyers. The high level of service and responsiveness of service is the face of our company.
Buy at a bargain price
Evek GmbH has an unlimited assortment of solders of all grades and qualities at the best price. If you are interested in our offer, please contact your nearest office. Qualified specialists will provide all necessary information regarding products, price range, sales conditions. The cost of goods depends on the parameters of products and additional terms of delivery.