Model Application Advantages
TC-315 all kinds of heat interchanger, the electric appliance components, kinds of pipelines Can get good welding no matter how large the clearance is
TC-316 ” The lowest temperature of phosphor copper welding
TC-325 Air conditioning, heat interchanger, vehicles, shipbuilding, scientific instrument, switch, contact and so on The coagulation scope is broad, fit for the big gap welding
TC-312S Used in all kinds of heat interchanger, electric appliance parts, and all kinds of pipings The characteristic is between 310A and 315
TC-310D Coal gas apparatus, welding of freezer and other copper products Good fluidity, good operation, fit for the welding with the gap of above 0.3cm
TC-302 Used in all kinds of heat interchanger, electric appliance parts, and all kinds of copper alloy tubes ”
TC-306 Air conditioning, heat interchanger, vehicles, shipbuilding, scientific instrument, switch, contact and so on The tensity is especially good, can be used as the substitute of the silver solder

JISSpec chemical ingredient（%） Temperature（℃) Stretch% Longitudinal strengthkg/m2 Proportion
P Ag Sn Zn Cu Coagulation Liquefication Welding temperature
BCuP-3 5.8-6.7 4.7-6.3 - - remainder 645 815 720-815 10-13 30-35 8.1
BCuP-4 6.8-7.7 5.8-6.2 - - remainder 645 720 690-790 - - 8.1
BCuP-5 4.8-5.3 14.5-15.5 - - remainder 645 800 705-815 10-14 33-39 8.5
BCuP-6 6.5-7.2 1.8-2.2 - - remainder 645 790 730-815 11-13 20-25 8.0
- 8.0-8.6 - - - remainder 705 780 705-805 12-16 20-25 7.8
- 6.8-7.3 - 7.0-8.0 - remainder 620 680 640-700 10-14 27-31 8.1
- 7.3-7.8 5.8-6.3 7.0-8.0 - remainder 605 645 620-680 18-23 40-50 8.3












JISSpec chemical ingredient（%） Temperature（℃) Stretch% Longitudinal strengthkg/m2 Proportion
P Ag Sn Zn Cu Coagulation Liquefication Welding temperature
BCuP-5 4.8-5.3 14.5-15.5 - - REM 645 800 705-815 10-14 33-39 8.5
BCuP-6 6.5-7.2 1.8-2.2 - - REM 645 790 730-815 11-13 20-25 8.0
- 8.0-8.6 - - - REM 705 780 705-805 12-16 20-25 7.8



JISSpec chemical ingredient（%） Temperature（℃) Stretch% Longitudinal strengthkg/m2 Proportion
P Ag Sn Zn Cu Coagulation Liquefication Welding temperature
BCuP-6 6.5-7.2 1.8-2.2 - - REM 645 790 730-815 11-13 20-25 8.0




JISSpec chemical ingredient（%） Temperature（℃) Stretch% Longitudinal strengthkg/m2 Proportion
P Ag Sn Zn Cu Coagulation Liquefication Welding temperature
BCuP-3 5.8-6.7 4.7-6.3 - - remainder 645 815 720-815 10-13 30-35 8.1