Materials / Electronic Materials

Moistureproof Materials/Antifoulants

Moistureproofing Measures for Wiring and Antifoulant Measures for Glass and Metals

Iwatani offers moistureproof materials characterized by outstanding reliability to protect circuit board wiring, as well as antifoulants whose properties are ideal for glass and metal surfaces.

Product Characteristics

Major Applications

  • Moistureproofing and insulating exposed wiring in bonds between FPC substrates and touch panel sensor modules
  • Protecting metal components and circuit boards from substances such as hydrochloric acid, sulfuric acid, sulfur dioxide gas, and lithium battery electrolyte
  • Protects against sulfurization of Ag plated frames on LEDs, etc.
  • Moistureproofing and insulating coatings for high frequency circuit boards
  • Moistureproofing and insulating coatings for LED circuit boards

Physical Properties Data

Test item DP-502TH DP-508TH DP-508C DP-520C DP-530C
Appearance Clear/transparent Pale yellow/transparent Pale yellow/transparent Pale yellow/transparent Pale yellow/transparent
Active ingredient concentration 2% 8% 8% 20% 30%
Viscosity [mPa·s] 5 or less Approx. 5 Approx. 5 Approx. 20 Approx. 100
Film thickness [µm] 1 5 5 10 to 20 20 to 30
Dry-to-touch time Less than 5 s 5 to 10 s 1 to 2 mins 5 mins 10 to 20 mins
Contact angle Horizontal 112°
n-hexadecane 70°
Volume resistivity 3.9 × 1015 Ω·cm
Dielectric strength 84 kV/mm
Ambient temperature range [C°] -30 to 150

Please inquire for more information.

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