Solder Chemistry’s BLF083 is a lead-free, no-clean paste designed for excellent soldering results with a wide range of process conditions. BLF083 offers outstanding low-voiding, slump and solder beading resistance, as well as high-temperature stability, long-term processing and standing time. BLF083 paste delivers:

  • Low-voiding performance
  • Excellent low- to medium-speed printing
  • High tackiness
  • Good response-to-pause
  • Low beading
  • Clear residue
  • Easy clean ability

BLF04 is a lead-free, no-clean solder paste that is a good fit for automotive applications due to its ultra-low voiding, enhanced surface insulation resistance, and void-free solder joints. BLF04 also offers:

  • Excellent high-speed printing
  • Good tackiness and excellent wetting
  • Excellent response-to-pause with good open time
  • Low beading
  • Pale yellow residue
  • Easy solvent clean ability

Solder Chemistry is a highly-qualified, full-service producer of solder pastes, solders, and fluxes for a wide variety of SMT applications. Its proven products are supported by its superior technical support and excellent customer service. Solder Chemistry is a German company responding to the soldering needs of local and international customers with its unique formulations and fast turn response to both product and technical needs.

BLF083 and BLF04 are supported by Solder Chemistry’s cored wire, flux, rework materials, and SMT adhesives.

To learn more about its solder solutions, visit the company in Hall 5, Booth 320 at SMTConnect or go online to

About Solder Chemistry
Solder Chemistry is a highly-qualified producer of solder pastes, solders, and fluxes for a wide variety of SMT applications. Founded in 1994, Solder Chemistry has set new standards in quality, innovation, and customer satisfaction, powered by its knowledgeable R&D and technical support staff. Its flexible, customer-oriented structure allows it to serve large, international companies as well as small businesses in a fast, reliable manner. Its commitment to quality has earned the company several industry-recognized certifications, including ISO 9001: 2015 and ISO 14001: 2015. In 2020, Solder Chemistry became an Indium Corporation company, but still delivers service to its customers with its own formulations and service.

For more information about Solder Chemistry, visit