LF350
Conductive Nano Copper ink—thin layers
Copprint LF350 Nano Copper Ink for high conductivity screen printing on PET substrates.
Technology: Screen printing
Appearance: Copper paste
Filler Type: Copper
Substrate: PET
Key Product Benefits
Drying: hot air
Sintering: Hot press
Application: Conductive Nano Copper Ink for Additive Printing
Common Applications: . UHF and HF antenna, heaters and sensors
TYPICAL PROPERTIES OF COPPRINT NANO COPPER PASTE (UNCURED)
Particle Size, μm D90<0.15
Solid Content, after10 minutes @150ºC, 83±1%
Density, 2.9±0.15 g/ml
Viscosity @ r.t., DVEHA Brookfield spindle 14, mPa∙s (cps) 4000- 7000
Thixotropic Index (1.5/15 s-1) 1.4-1.6
Coverage area @5μm dry film thickness, 17 m²/kg
Shelf Life, @<-10°C, 180 days
Flash Point – See SDS
Drying and Sintering
Copprint LF350 may be dried employing dry hot air, (near) infrared or ceramic lamps.
Sintering temperatures and times depend on PET substrate and equipment.
Drying cycle: 120 sec @70°C (Hot air/Reflow oven)
Sintering cycle:30-120 sec @200°C (Hot press)
*Conditions (time / temperature) may vary based on application requirements, drying equipment, oven loading and actual temperatures.
CURED NANO COPPER Physical Properties
Adhesion: tape test 3M Scotch 234 (Passed)
Cross cut test ISO 2409-2007 4-5b
Electrical Properties: Sheet Resistance, ohm/□/25 μm <0.004
DIRECTIONS FOR NANO COPPER INK USE
Nano Copper Paste Activation: Copprint LF350 is supplied as a single-component formulation ready for use.
SCREEN PROPERTIES
Emulsion, Solvent resistant emulsion: 10 to 40 μm
Squeegee Shore Hardness: 70 to 90 Shore
Screen Type: Polyester screen, mesh 100-300
EQUIPMENT MAINTENANCE & CLEAN-UP
Equipment can be cleaned with Dowanol DB followed by aqueous solution, 10-20% w/w 2-amino-2-methyl-1-propanol.
STORAGE
Store sealed container under -10°C in a dry location ( Storage above -10°C can adversely affect product properties).
Paste removed from containers may be contaminated during use.
Do not return Paste to the original container.
Copprint is not responsible for paste which has been contaminated or stored under faulty conditions.
For safe handling of Copprint Nano Ink consult the Safety Data Sheet (SDS.
For technical data please see the Technical Data Sheet (TDS)
