For the fastest wicking action, rosin flux coated braid is ideal for high volume PCB production/repair environments. Available in anti-static spools (marked with "AS" below) to prevent static build-up from damaging sensitive components. Specifications: Meets or Exceeds MIL-F-14256; NASA NHB 5300, 4 (34-1); NASA NPC 200-4; NASA SP5002; 1821: HP 8690-0588; 1823: HP 8690- 0577; IPC Standard-J-STD-004