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Creative Materials Inc. 127-24

127-24 is a green, matte finish, screen-printable, solvent-resistant, flexible, ultraviolet curable dielectric coating that is used as a protective, insulating layer over, or between, polymer thick film conductive inks in the manufacture of membrane switches and flex circuits. This coating can be used on a variety of substrates such as polycarbonate, treated and untreated polyesters, Kapton, epoxy/glass PC boards, glass and Indium Tin Oxide sputtered surfaces. A void-free coating is obtained that has good resistance to humidity, temperature and solvents. 127-24 is designed for use in crossover applications with various CMI conductive inks, including 118-09A/B, 118-41, 114-01,112-15, 125-15, 125-13 and 112-48 just to name a few. Please consult Creative Materials' technical support when considering using 127-24 with other Creative Materials' conductive inks or adhesives. 127-24 is a version of 125- 17MG with greater moisture stability

Features

  • Highly flexible green dielectric.

Application Area: Flexible Circuits, Membrane Touch Switch

Compatible Substrates & Surfaces: Glass, Plastics, Polyimide

Features: Excellent Flow Properties, Excellent Humidity Resistance, Excellent Printability, Fast Cure, Flexible, High Temperature Resistance, Low Odor, Matte Finish, Solvent Resistance, Solvent Resistant, UV Curable

Application Method: Screen Coating

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Features & Benefits

Labeling Claims
Benefits
  • Low odor 
  • Zero VOC’s (when fully cured)
  • Excellent Flow Properties
  • Excellent Printability
  • Fast Cure

Applications & Uses

Application Method
Compatible Substrates & Surfaces
Application Method
  • Screen-print

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Viscosity10000cps-
Dielectric Strength365volts/mil-
Volume Resistivity7.1 x 10^15ohm-cm-
Dielectric Constant (1 kHz)4.3--
Dielectric Factor (60 Hz)0.018--
Solid Content100%-
Specific Gravity1.13g/cc-
Screen Mesh*170-270 Polyester--
Screen Mesh*200-400 Stainless Steel--
Coverage (at 1 mil dry (in2/g.)**50--

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. 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 1minute when work is positioned 6-10 inches from lamp. Faster curing can be accomplished by moving lamp closer to work or increasing lamp intensity. 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. Some filler may settle during storage. Mix well prior to using to re-suspend filler.