A non-activated, white rosin flux (in conformance with MIL-F-14256F, Type R) is laminated onto the entire braid to protect against oxidation and promote solderability. Ultra-pure, oxygen-free, copper braid quickly and completely removes solder from circuit boards and components. Its fast wicking action protects components from harmful heat damage. 5-ft. rolls (only) come packaged in static-dissipative bobbins.