Sodium Persulfate
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Flexstrip
An aqueous photoresist stripper specifically formulated for flexible circuit stripping operations. FLEXSTRIPcontains copper antitarnish agents providing a cleaner surface for subsequent flex material processing. FLEXSTRIPproduces fast strip speeds while producing large particles suitable for filtration. It contains no glycol ether solvents for greater compatibility with flex materials and a safer working environment.
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Ultrastrip BAT
A highly concentrated, long lasting, high performance non-caustic stripper for removal of aqueous dry film photoresists. It can be used on both inner and outer layers and produces large particles suitable for filtration. ULTRASTRIP contains copper brightening agents to provide a bright, uniform surface. It contains NO glycol ether solvents for a safer working environment.ULTRASTRIP BAT contains antitarnish agents which preserve the copper surface for automatic optical inspection and better etching characteristics.
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HASL Precleaner SL™
HASL Precleaner SLTM is a powerful, non-foaming, free rinsing, alkaline cleaner specifically designed to clean copper prior to HASL or alternative finishes. It will remove solder mask developer scum, oven baked oxidation and residues, fingerprints, and oils. HASL Precleaner SLTM will not etch copper nor will it damage the. HASL Precleaner SLTM can be used in conjunction with a light microetch or acid cleaner. If an acid cleaner is used, MicroCleanTM ZE is preferred. If a microetch is used, much lower levels of metal removal are fully acceptable, thus minimizing costs and reject rate. Because of the potent cleaning agents that destroy organo-metallic compounds (such as insoluble copper/soldermask compounds) present on the copper surfaces, use of HASL Precleaner SLTM will reduce the requirement for a second pass through the HASL.
