DM-GRA-9101S is a graphene-carbon hybrid paste for applications such as sensors, heaters and printed resistors that can be processed at low temperature.

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DM-GRA-9101S

Description

Product Description

DM-GRA-9101S is a single part screen printable carbon-graphene hybrid paste for general electronic application use. DMGRA-9101S is designed for printing large feature sizes (>1 mm line width) such as bus bar structures where excellent electrical conductivity is required. The paste should be cured at >140˚C for 30-60 mins to achieve a sheet resistance of ~10Ω/‪/25µm. Tailored pastes can also be provided at increased sheet resistances, please contact us for further information.

Product Benefits

  • Good printability
  • Low temperature curing
  • Good screen residence time  
  • Compatibility with low temperature substrates such as PET

Paste Preparation

The paste is a single part system. Gently stir before use. Avoid rapid stirring to prevent air entrapment during the stirring process. Once the paste has been removed from the container for printing, this may introduce contamination. Please do not replace the paste in the original container.

Additional information

Uncured Properties
Viscosity after mixing (Pa.s)

2-6

Thinner

For slight adjustments in viscosity use DM-GRA-9101-DT

Solids Content (%)

50-55%

Processing Conditions
Substrate

FR4, Glass, PET

Screen

1500 PET 100/250-40Y

Flood Speed

30 mm/s

Print Speed

60 mm/s

Squeegee Hardness

70 Shore

Squeegee Pressure

10 Kg

Squeegee Angle

45o

Cured Thickness

5-10 µm

Number of Strokes

2

Cure Process

Convection oven or IR heating

Cure Temperature (oC)

>140oC

Cure Time (mins)

30 mins

Cured Properties
Sheet Resistance

10 Ω/□‪/25µm

Adhesion

5B ASTM D3359

Hardness

H (ASTM 3363)

More
Size (g)

100g, 250g, 1Kg

Still Unsure?

Development

We offer a tailored formulation development service, using graphene based materials, to meet specific customer requirements.  We have experience of developing systems for specific customer applications, with different properties including:
  • Barrier Layer
  • Sensor systems including stress/strain
  • Improved lubricity
  • Rheology changes to enable use of different deposition techniques
  • Polyurethane, silicone and epoxy systems

Applications

  • Stress-strain sensors with improved gauge factor
  • Barrier layers
  • Heaters
  • Printed resistors
  • General printed electronics