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Eternal’s Maestro Process Chemistry Line

Eternal chemical formulas are tailored to meet the precise requirements of the electronics industry’s most advanced circuit boards. The Maestro formulation is:

Developer: specifically designed to improve sidewalls and increase yields

Strippers: developed to improve stripping especially in over-plate situations.

Surface prep chemistries: created to improve adhesion to even difficult surfaces.

Anti-foams: work in concert with your entire process.


(For complete listing of product and safety data sheets, please go to the Data Sheet Selector.)

 
 
 
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Maestro Product Guide

Developer
Maestro Image Clean 3200 - Concentrated developer 32% Potassium Carbonate
Maestro Image Clean Developer 4500 - Concentrated developer solution 45% Potassium Carbonate
Maestro Image Clean 9000 - Concentrated replenisher

Resist Strip
Maestro Resist Strip 1000 -
Formulated to remove fully aqueous dry films and liquid resists in soak or spray applications
Maestro Resist Strip 4000 - Additional anti-tarnish protection while removing fully aqueous liquid photoresists in spray or soak applications.

Tin Strip
Maestro Tin Strip 3000 -
A nitric acid based solution for stripping tin or tin/lead from printed circuit boards.

Antifoam
Maestro Suds Away 5000 -
De-foamer FETM is a fully organic non-Silicone water-soluble de-foamer that rinses readily and leaves no residue
Maestro Suds Away 5500 - A highly effective foam suppressant for aqueous developing and stripping of photopolymer films.

Equipment Cleaner
Maestro Equipment Cleaner 6000 -
Removes water hardness, photoresist and soldermask scum and metal salt deposits
Maestro Equipment Cleaner 6500 - Citric based cleaner
Maestro Equipment Cleaner 7000 - A concentrated alkaline equipment cleaner designed to clean conveyorized processing equipment

Copper Cleaner / Etch
Maestro Clean 7000 -
A liquid persulfate-based copper micro-etch that is pre-mixed with sulfuric acid. ME 515L removes copper
Maestro Clean 7500 - An acid, non-etching cleaner that provides the most effective removal of chromate conversion coating
Maestro Clean 8000 - Formulated to remove dirt, oil, fingerprints and other soils from copper surfaces without etching the