For over 100 years, Kester has been a global leader in supplying higher performance interconnecting materials and related services to the electronic assembly market. Globally, Kester is known for their high quality product and advanced manufacturing technology.
Kester “44” is a high activity RA core flux designed for excellent instant wetting action, including Nickel surfaces. Kester “44” residue is non-corrosive if not cleaned. Per J-STD-004, “44”® is classified as ROM1 flux.
The Kester "44" can be used for both lead bearing and lead-free soldering.