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Aptek 2503-A/B Low modulus urethane conformal coating

 

Subcategory: Polyurethane, TS; Thermoset

Material Notes:
APTEK 2503-A/B is an unfilled, two component, electrically insulating, transparent, flexible urethane coating system designed for the encapsulation and protection of electronic services mounted on printed circuit boards. For coating applications that require toughness, this system provides a combination of excellent flexibility and optimum tensile strength/elongation characteristics

Qualified to Mil-I-46058C and SCD 6528981; Non-TDI based for safety; Excellent reversion resistance for good physical stability under high heat and humidity environments; Tg below -70ºC for excellent low temperature cycling, storage and performance; Excellent substrate adhesion, no primer needed, superior to silicones; Exceeds NASA outgassing requirements for high vacuum environments; Fluoresces under black-light (UV) to facilitate QC inspection of coating coverage; Low viscosity and long work life for spraying or dipping operations

Information provided by Aptek Laboratories, Inc.

Available Properties
  • Density
  • Viscosity
  • Outgassing - Total Mass Loss
  • Collected Volatile Condensable Material
  • Hardness, Shore A
  • Tensile Strength, Ultimate
  • Elongation at Break
  • Volume Resistivity
  • Insulation Resistance
  • Dielectric Constant
  • Dielectric Strength
  • Dissipation Factor
  • CTE, linear 20°C
  • Glass Temperature
  • Flash Point
  • Processing Temperature
   
Property Data

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