Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Tix Solder by Grobet Sale $47.00 | / SKU 54-808 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Tix Solder Hardest soft solder on Earth. Melts at 275°F (135°C) and has a holding power of 4300 PSI. Adheres to all ordinary solderable materials and works with gun, iron, torch or soldering machine. Stays white and does not tarnish.