Qualitek 399-42 is a homogeneous mixture of halogen-free, low solids organic flux designed for high-temperature lead-free wave-soldering, selective soldering, surface mount assembly and through-hole applications. 399-42 exhibits excellent wetting and through-hole fill. 399-42 was formulated specifically for lead-free soldering processes.
Qualitek 399-42 flux is also available in bulk container sizes (5L & 10L), please contact our Sales Office for a quotation for these container sizes.
Key Product Features and Benefits:
– Available to purchase online in a 1L container. For larger container sizes contact our Sales Office.
– Flux Classification: ORL0
– Excellent Hole Fill
– Specifically designed for Lead-Free Solder Systems
– 2 year shelf life from DOM