BASE METAL OPTIONS of PV Ribbon：

Basic Material Copper Content: ≧ 99.90% Base Copper Conductivity: ≧99% IACs Tensile Strength: ≦ 25kgf/mm² Elongation： ≧25% (copper width < 3mm) ≧15% (copper width≧3mm) Bare Copper Flat Wire Thickness Tolerances： ±10% of the nominal thickness Bare Copper Flat Wire Width Tolerances：±0.1mm
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SOLDER COATING OPTIONS：

•  Solder Composition in wt%: Sn63/Pb37 ; Sn62/Pb36/Ag2 ; Sn96.5/Ag3/Cu0.5
•  Melting Point of Solder: 183℃;179℃;217℃
•  Thickness of Single Solder Layer: 10~40μm(Depends on customer requirements)
•  Storing on all Solder Coated Ribbons is 12 months

SM-821 FLUX TECHNICAL SPECIFICATION Item Result Appearance Transparent to Light Yellow Liquid Specific Gravity (25℃) 0.805± 0.012 Acid Number (mg KOH/g) 24 ± 6 Solids Content (％) 4.2 ± 0.6 * Storage & Indication: 6 months after manufacturing. Store in cool place and tighten the cap. Do not expose to sunlight or close to heat source.

Solarjoin produces the most popular specified ribbon into markets and still provides special ribbon sizes depending on customer requests. Ribbon sizes are based on the bare sizes below.

*Other solder compositions, width or thickness of PV ribbon are also available.

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