3" × 4" Soluboard Substrates – 6/Pack Materials:Flax 57% Bismuth

57% Bismuth

5 mm effective working length

Use this solder wire with plenty of flux to ensure a strong solder joint when you’re adding components to your board by hand

Compatible with common PCB substrates like FR1 and FR4

substrate and nozzles preferences

3" × 4" Soluboard Substrates – 6/Pack Materials:Flax 57% BismuthAbout Soluboard Soluboard is the world's first fully recyclable rigid PCB substrate, engineered by Jiva Materials to provide the mechanical and electrical performance of traditional FR 4 materials while delivering a significant reduction in environmental impact. Composed of natural fibers encased in a halogen free, non toxic polymer, this patented material has been designed from the ground up to dissolve in warm water at end of life, enabling the