Contains 5% Silver, 6% Phosphorus and the remainder is Copper. Similar to 15% silphos with the ability to fill gaps and form fillets without adversely affecting strength. Meets AWS BCuP-3 and recommended brazing range: 1325-1500°F.5% silver, 6% phosphorus, remainder copperSimilar to 15% silphos with the ability to fill gaps and form fillets without adversely affecting strengthMeets AWS BCuP-3Recommended brazing range: 1325-1500°F