suppliers
Focus Tech
About Focus Tech
We supply process chemicals and control solutions to printed circuit board fabrication and chemical milling operations. These chemistries are tailored to work effectively with DuPont and other dryfilm products. Focus Tech has a well established stable of existing products but also prides itself in being able to quickly and effectively formulate custom products for customer specific applications. Insulectro and Focus Tech are your complete source for reliable, high quality process chemicals, control solutions and product support.
Dryfilm / Soldermask Developer
Inner Layer Dryfilm Resist Strip
Affordable caustic blend dryfilm resist stripper. Proprietary cleaner and anti-tarnish to maintain clean equipment stain free copper.
Fast stripping dryfilm resist stripper. Proprietary cleaner and anti-tarnish to maintain clean equipment stain free copper.
Tin Stripper
Ammonium Bifluoride / hydrogen peroxide tin stripper for stripping tin without attacking nickel.
High loading tin stripper which can also achieve faster stripping speeds.
Antifoam
Outer Layer Dryfilm Resist Strip
High loading dryfilm stripper. Proprietary cleaner and anti-tarnish to maintain clean equipment stain free copper.
Solvent based stripper to maximize stripping capability. Proprietary cleaner and anti-tarnish to maintain clean equipment stain free copper.
Micro Etch
Alternative Oxide
Cupric Etch
Our ready-to-use, liquid formulation provides the safest, most stable oxidizer to handle.