AQUANOX A4639 is an aqueous cleaning solution designed for hard to clean lead-free, rosin and no-clean flux residues in batch cleaning systems. A4639 provides exceptional cleaning results and protection of metallic surfaces with minimal monitoring and no sump-side additives.

AQUANOX A4639 is easy to control and effective on a wide range of soils at low operating temperatures and concentrations making it a low cost of ownership product. A4639 will clean B-side misprints without adversely affecting the finished assembly. AQUANOX A4639 is best suited for single chamber batch spray-in-air cleaning tools.

Product Data
Application: PCB Cleaning
Typical Process
Process: Spray
Concentration: <15%
Temperature: <150°F / 65°C
Rinse: DI Rinse Heat Optional
Dry: Hot Air
Product Properties
pH (10g/L): 10.0
Flash Point: None to Boiling
Boiling Point: 214°F / 101°C
Water Soluble: Partial
VOC, @ 10% 61.5 g/L

NOTE: The above process parameters are recommendations based on extensive testing done in KYZEN’s application lab. Your KYZEN sales representative can assist you in optimizing your process parameters.

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