Nordson EFD 6-415-A - Water Soluble Paste
The Nordson 6-415-A is a water-soluble flux consisting of organic acids, thixotropy, and solvent. WS flux residue is corrosive and should be removed within 96 hours of reflow to avoid damage to your assembly. Residue may be removed with water at 60° C (140° F) and 40 psi of pressure.