... normal temperature range, as far as soldering, extend tip life. Use Note2: After a period of time soldering tip, the surface oxide layer will ... technology. And now we have developed a new generation of soldering tip that is more welding smooth and longer life. We have ... /40W/60W/80W/150W) 920, 900M, 900L, T12, T18 , QUICK 200 ,Weller series soldering tips.4. We also can make as your ...