LF365

General Purpose Conductive Copper Ink, Thick Layer, Fine Lines, High Thixotropy

LF365

LF365

General Purpose Conductive Copper Ink—Thick Layers, Narrow Lines, High thixotropy 

 

Copprint LF365 screen printable paste is formulated to provide high electrical conductivity on SI/FR4. 
Technology:Screen printing 
Appearance:Copper paste 
Filler Type:Copper 
Substrate:SI/FR4 

 

Key Product Benefits  

Drying: Hot air/Reflow oven 
Sintering: Hot press 
Application:Conductive Copper Ink 
Common Applications: Photovoltaic cells,Printed electronics,PCB.  

 

TYPICAL PROPERTIES OF COPPRINT NANO COPPER PASTE (UNCURED)  

 

Particle Size, μm   D50 < 1.0, D90 < 3.0 
Solid Content, after 10 minutes @150ºC, 93±2%
Density, 4.5±0.2 g/ml 
Viscosity @ 25°C , DVEHA Brookfield spindle 14,100rpm, mPa∙s (cps) 70000-100000 

Thixotropic Index (2/20 rpm)   5.5-7.5 

Coverage area @10 μm dry film thickness, 12.5 m²/kg 
Shelf Life, @<-10°C, 180 days 
Pot life @ 25°C, Hours 72  

 

Drying and Sintering  

Drying cycle 
120sec @90ºC (Hot air, Reflow oven)  

 

Sintering cycle 
12 sec @280 °C (Laminator) 
120 sec @240°C (Hot Pressing)  

Conditions (time and temperature) may vary based on customers’ experience, application requirements,

drying equipment, oven loading and actual oven temperatures.  

 

TYPICAL PROPERTIES OF CURED MATERIAL

Physical  Properties  

Adhesion:(tape test 3M Scotch 234) pass 
Cross cut test ISO 2409-2007 4-5 b  

Electrical Properties:Sheet resistivity 
S2S (Hot press), mΩ/□/25 µm <2.9 
R2R (Laminator), mΩ/□/25 µm <2.0  

 

DIRECTIONS FOR NANO COPPER INK USE  

Copprint LF365 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 150 to 250  

 

EQUIPMENT MAINTENANCE & CLEAN-UP  

The equipment can be cleaned with Dowanol DB followed by water and repeated if necessary.  

 

STORAGE  

Store sealed container under -10°C in a dry location. 

(Long 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)

 

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