Chemical Milling Masking Resin

Dymax SpeedMask 734-BT harsh-environment masking resin is designed to cure in seconds upon exposure to UV/Visible light.

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Dymax SpeedMask 734-BT harsh-environment masking resin is designed to cure in seconds upon exposure to UV/Visible light. This maskant provides excellent surface protection during chemical milling/etching, plating, anodizing, and grit-blasting operations, aiding in the manufacturing, overhaul, repair, and rework of turbine engine blades and components, vanes, and other metal substrates. 734-BT was developed to withstand typical 200°F+ Nitric Acid (HNO3) and Hydrofluoric Acid (HF) solutions used for the chemical milling of titanium components.

Fast-curing, solvent-free 734-BT is designed for spray or dip masking of components. Used as a temporary protective coating, it replaces environmentally hazardous and time-consuming solvent- or water-based maskants. A highly visible blue color, it's easy to see when applied onto components. When cured, 734-BT offers surface protection from chemical processing of nickel alloys, steel, titanium, stainless steel, aluminum, and glass, the company says, adding that after cure, the resin peels off cleanly leaving no residue.
 

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