Androkavo tests some of the cheap eBay solder against the brand-name stuff; it gets there in the end, but it's surely not the advertized 60/40 alloy and needs to be close to 400° before it behaves itself.
Cheap eBay solder vs the good stuff
Solder wire - Low vs High Quality
Solder wire - Low vs High Quality Watch this video on YouTube. Androkavo tests some of the cheap eBay solder against the brand-name stuff; it gets there in the end,…