- Exceptionally high impact resistance, heat resistance and thermal conductivity;Higher heat resistance than lava nozzles;Most popular nozzle type in TIG welding;Resist splatter build-up;Recommended for most welding operations except for use in confined areas;Made from high strength alumina;Has very good electrical insulating properties -
![Best Welds Alumina Nozzle TIG Cup, 1/2", Sz 8, For Torch 9, 12, 17, 18, 20, 22, 25, 26, 27, 1 EA, #57N74 Best Welds Alumina Nozzle TIG Cup, 1/2", Sz 8, For Torch 9, 12, 17, 18, 20, 22, 25, 26, 27, 1 EA, #57N74](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/231261/334857/100-57N74__37519.1592577817.jpg?c=2)