POS61 and POS40 solders are required for high-quality electrical and metal bonding. POS61's increased tin concentration provides improved conductivity and strength, making it excellent for precision electronics work. POS40 is a low-cost option that delivers dependable performance in a variety of applications. Both methods ensure that the joints are sturdy and enduring. For further specs and product alternatives, go to https://ukrstarline.ua/ru/cvetnoj-prokat-i-splavy/splavy/pripoj.