Chemtronics CWF1 Chemask®WF Solder Masking Agent is a high-temperature temporary spot mask that protects component-free areas from molten solder during wave soldering. It is water-soluble and designed to be removed using open and closed loop aqueous cleaning systems. Chemask WF is low-foaming and has no effect on deionized water (DI) system resin beds. This water-soluble formulation is stable with rosin, organic, and inorganic fluxes.
Protects boards from molten solder up to 515°F (268°C)
Filterable in waste streams using micron bags
Extends deionized water system life
Low foaming
Compatible with most flux types
Leaves no corrosive residue
Methanol-free
Non-contaminating
Patent No. 6,207,265
Typical Applications of Chemtronics CWF1 Chemask®WF Solder Masking Agent
During wave soldering, Chemask WF Solder Masking Agent protects:
Component-free areas
Gold connectors
Gold fingers
Pin connectors
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