734-BT


Chemical Milling and Harsh-Environment Processing SpeedMask® Maskant

SpeedMask® 734-BT UV/Visible light-curable maskant provides good surface protection during chemical milling/etching, plating, and anodizing, as well as aggressive grit-blasting operations. The products aid in the manufacturing, overhaul, repair, and rework of turbine engine blades, vanes, and other turbine components. 734-BT is impervious to most acid and alkali solutions. When cured, it provides surface protection from chemical processing of nickel alloys, steel, titanium, stainless steel, aluminum, and glass.

This fast-curing, solvent-free organic masking resin is designed for either spray or dip masking of components. Used as a temporary protective coating, the material is a replacement for environmentally hazardous and time-consuming solvent- or water-based maskants. 734-BT requires no mixing prior to use.

SpeedMask materials are solvent free and cure upon exposure to light. Their ability to cure in seconds results in lower processing costs. When cured with Dymax UV light curing spot lamps, focused beam lamps, flood lamps, or conveyor systems they deliver optimum speed and performance for maximum efficiency. Dymax lamps offer the optimum balance of UV and visible light for the fastest, deepest cures. SpeedMask® 734-BT is in full compliance with the RoHS2 Directives 2015/863/EU.

Specifications


Viscosity (nominal):  24,000 cP

Shore Hardness:  D25

Modulus of Elasticity MPa [psi]:  5.5 [800]

Cure Time**:  5 Seconds

Package Sizes Available*:
30 mL Syringe
160 mL Cartridge
300 mL Cartridge
1 WM Liter Bottle
15 Liter Tapered Pail

*In Europe materials are sold in g/kg not mL/L
**Cure time based upon Dymax 5000-EC Light Curing Flood Lamp System (200 mW/cm2)

Applications


  • Chemical Milling/Etching
  • Plating
  • Anodizing
  • Grit Blasting
  • Recommended surfaces include nickel alloys, steel, titanium, stainless steel, aluminum, and glass

Features:


  • UV/Visible Light Curing
  • Excellent Surface Protection
  • Excellent Chemical Resistance
  • Fast Curing
  • Easy Peel Off
  • Moderate Adhesion
  • Spray or Dip
  • High-Visibility Blue Color
  • Trimmable After Cure
  • Rolls Royce approval as Metal Spray Maskant with designation of OMat 2/241

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