- Aluminum filler materials are silicon-aluminum types for welding of 6052 and 6063 types; in some cases, other aluminums are also welded with this type.
- Shaved for ultimate cleanliness.
- Optimized to reduce smoke & fumes.
- 4046 contains silicon additives which results in improved fluidity of the weld pool
- 4046 provides a bright weld finish making it the most popular aluminum type