Kester offers a wide variety of flux types with activity ranges from ORH1 for difficult to solder applications down to ROL0 for applications requiring low levels of halides. We offer internal and external flux types to create the optimal solution for your product needs. Please contact technical support for additional recommendations on which flux type and flux coating will work best for your application.
*J-STD-004A
Kester preforms can be processed in a wide range of dimensions. Please view the table below for our standard dimensional offerings and tolerances. If the required volume and dimensions of your preform are unknown please call your local Kester sales representative to assist you in the calculation of these values.
As stampings require customized tooling please contact your local sales representative today to discuss your product needs.
Preferred Lead-Free Alloys
Sn96.5Ag3.0Cu0.5
Sn95.5Ag3.8Cu0.7
Sn97Ag0.2Sn0.8Cu2
Sn96.3Ag3.7
Preferred Leaded Alloys
Sn63Pb37
Sn10Pb88Ag2
Sn62Pb36Ag2
Sn60Pb40
Other alloys may be available, depending on melt point required.