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Creative Materials 119-21

119-21 is a pad-printable, solvent-resistant, electrically conductive ink and coating, suitable for pad-printing very narrow circuit lines. This product features excellent adhesion to Kapton, heat stabilized polyester, glass and a variety of other substrates. Unlike conventional conductive materials, this product is very resistant to acetone and methyl ethyl ketone. It is also very resistant to scratching and creasing. Some applications for 119-21 include, but are not limited to, emi/rfi shielding of polyimide flexible circuits, polymer thick film circuitry, membrane switches, electrical attachments for surface mounted devices, and anode coatings for tantalum capacitors. 119-21 is a pad-printable version of 118-41.

Features

  • Abrasion resistant, adheres to ITO

Application Area: Circuit Substrates, Membrane Touch Switch, Polymer Tantalum Capacitor

Compatible Substrates & Surfaces: Glass, Plastics, Polyimide

Features: Crease Resistance, Electrically Conductive, Electromagnetic Shielding (EMI), Good Paint Adhesion, Good Scratch Resistance, High Hydrolytic Stability, Radio Frequency Shielding (RFI), Solvent Resistant

Color: Silver

Application Method: Pad Printing

Chemical Family: Silver & Silver Compounds

Technical Data Sheet
  • TypeDocument Name
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Knowde Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Application Method
Compatible Substrates & Surfaces
Cure Method
Application Method
  • Pad-print

Properties

Color
Typical Properties
ValueUnitsTest Method / Conditions
Conductivity 0.01ohms/sq/mil
Typical Cured Properties
ValueUnitsTest Method / Conditions
Viscosity10,000 - 12,000cps
FillerSilver
Percent Silver (cured)min. 86
Volume Resistance2.5e-05Ω-cm
Sheet Resistivity0.01Ω/sq./mil
Hydrolytic StabilityExcellent
Useful Temperature Range55 to 200ºC
Thermal StabilityGood to 200°C

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
2 months at 25°C, 4 months at 5°C, 6 months at -10°C
Suggested Handling & Curing

119-21 is ready to use as supplied. Further thinning may be accomplished by adding small amounts of CMI Thinner #113-39 (fast evaporating) and/or Thinner # 114- 20(slow evaporating). Prior to using, be certain to resuspend silver. Best properties, for most applications, result when cured for 45 minutes at 160°C or 30 minutes at 175°C. The use of B119-44 accelerator will allow for lower temperature curing providing good properties when cured from 50°C to 150°C. End user is advised to experimentally determine temperature and time best suited for individual applications.