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Creative Materials 129-02

129-02 is a flexible, ultraviolet-cured dielectric coating that is used as a protective, insulating layer over polymer thick film conductive inks in the manufacture of membrane switches. This coating can be used on a variety of substrates such as polycarbonate, treated and untreated polyesters, Kapton, epoxy/glass PC boards and glass. A smooth, void-free coating is obtained that has good resistance to humidity. 129-02 is a lower viscosity version of 114-09.

Features

  • Clear, flexible UV curable dielectric for use over shielding conductive inks

Product Type: Radiation Curable Coating

Features: Excellent Humidity Resistance, Flexible, Good Smoothness, Low Viscosity, UV Curable

Application Area: Membrane Touch Switch

Compatible Substrates & Surfaces: Glass, Plastics, Polyimide

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Application Area
Compatible Substrates & Surfaces
Cure Method

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Viscosity1000cps-
Dielectric Strength365volts/mil-
Volume Resistivity7.1x 10^15Ω - cm-
Dielectric Constant (1 kHz)4.3--
Dielectric Factor (60 Hz)0.018--
Solid Content100%-
Specific Gravity1.07--
Coverage (at 1 mil)1600ft^2/gal-

Regulatory & Compliance

Certifications & Compliance

Safety & Health

Safety & Handling
  • Use with adequate ventilation.
  • Keep away from sparks and open flames.
  • Avoid prolonged contact with skin and breathing of vapors.
  • Wash with soap and water to remove from skin.

Storage & Handling

Shelf Life
6 months at 25°C
Suggested Handling & Curing

Material is ready to use as received. Store in cool area away from heat or sunlight. Cure using a 200-300 watt/inch mercury vapor lamp. Speed of cure will vary depending upon available energy. Typical cure time ranges from a few seconds to 1 minute when work is positioned 6 – 10 inches from lamp. Faster curing can be accomplished by moving lamp closer to work. When applying two layers, it is sometimes desirable to under-cure the first layer so as to improve interlayer adhesion.

Shelf Life
  • 6 months at 25°C in an unopened container.