Membrane Switches

Creative Materials, an ISO 9001 and ISO 14001 certified company, develops, manufactures and markets specialty chemical products to customers worldwide.
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Creative Materials develops a variety of silver, carbon, and dielectric inks that are used in the manufacture of the various layers that comprise membrane switches. Silver and carbon inks, with different conductivities and curing conditions, can be matched with a substrate choice and resistivity requirements of the printed circuitry of the membrane switch. Creative Materials provides membrane switch inks that are suitable for printing on either flexible or rigid surfaces, with useful temperature ranges from -55°C to 200°C. We offer blendable carbon and silver inks to achieve cost reduction and to tailor our inks to conductivity requirements. We also formulate compatible dielectric ink used to overlay protective layers.

Membrane switches interface between the user and electronic devices, and are used in aerospace, consumer, industrial, defense and gaming industries. Touch screens and plastic keyboards are examples of devices that utilize membrane switches.

Our popular ink systems are comprised of a compatible silver ink, carbon ink and a dielectric ink, which can be blended to adjust conductivity and to create cross-linkage to ensure enhanced conductivity and protection of circuitry. We also offer a number of conductive adhesives that work with these systems.

Conductive Silver inks
Product Description Conductivity Temperature Stability Application Method
112-15A Standard membrane switch conductive ink. 0.010Ω/sq/mil Moderate Screen-print
125-10 Economical conductive ink. 0.015Ω/sq/mil Moderate Screen-print
125-10ADP Abrasion resistant economical conductive ink 0.015Ω/sq/mil  Moderate Screen-print
125-13HV Fine line printable, 3 to 4 mil widths and spaces, high viscosity 0.015Ω/sq/mil Moderate Screen-print
108-06 UV curable conductive ink 0.15Ω/sq/mil Moderate Screen-print
126-33 Abrasion resistant extremely conductive ink 0.008Ω/sq/mil High Screen-print
125-26A/B119-44 Fine line printable, 3 mil line widths, adheres to ITO 0.015Ω/sq/mil High Screen-print
Conductive Carbon inks
Product Description Conductivity Temperature Stability Application Method
112-48A Standard membrane switch resistive ink < 20Ω/sq/mil Moderate Screen-print
124-50 Resistive conductive ink ideal for urethane and polycarbonate substrates <40Ω/sq/mil Moderate Screen-print
126-48 Resistive conductive ink ideal for printed heaters <50Ω/sq/mil Moderate Screen-print
Dielectric Inks/Coatings
Product Description Conductivity Temperature Stability Application Method
127-24PB Highly flexible blue dielectric. 7.1 x 10ˆ15 Ω-cm Moderate Screen-print
127-24PG Highly flexible green dielectric. 7.1 x 10ˆ15 Ω-cm Moderate Screen-print
Conductive Adhesives
Product Description Conductivity Temperature Stability Application Method
102-32 High temperature, flexible silicone adhesive. 0.0001Ω-cm High Syringe dispense
124-08C One component, long pot life, flexible conductive adhesive 0.0002Ω-cm High Syringe dispense
GPC-251A/B2612 Two part, room temperature, flexible conductive adhesive 0.0002Ω-cm High Syringe dispense
124-33 Extremely flexible conductive adhesive 0.0005Ω-cm Moderate Screen-print