What will be the increase in cost of the tin silver copper solder paste?
All the substitute materials for lead (silver and copper) are more expensive then lead. However, the majority of the cost of solder paste is in the manufacturing of the product Most solder paste suppliers estimate that the additional cost for the tin silver copper solder paste once it reaches equal volume with tin lead solder paste will be between 5% and 8%. However, pricing should be discussed with your particular supplier.