Voltera LF-301 copper Ink for paper

SKU: MBS-VOLT-59
GTIN: 0658917504939
Category: Voltera
Manufacturers:

Voltera LF-301 copper ink for paper

solvent-based copper paste
high electrical conductivity
excellent adhesion
small particle size

€ 734,95

incl. 19% VAT , plus

Available immediately
Delivery time: 31 - 33 Workdays (DE - int. shipments may differ)

The Copprint LF-301 is a screen-printable conductive copper ink (nano/micro copper paste) for the additive printing of thin conductive patterns on paper substrates. As an oxidation-free, rapidly self-sintering in-air ink, it enables low-cost, high-conductivity printed electronics using standard screen-printing equipment and is particularly suited to UHF, HF, and NFC RFID antennas on paper. It is supplied as a ready-to-use 2 ml cartridge.

The LF-301 is a solvent-based copper paste with high electrical conductivity, small particle size, and good adhesion. It is designed for depositing thin copper layers on paper in the range of approximately 3–6 µm and is suitable for manual, semi-automatic, and reel-to-reel screen printing. A screen mesh of 150–200 mesh/cm is recommended; printing is done on the glossy side of the paper.

Processing is carried out by hot-air drying followed by sintering with a laminator or hot roller. Copprint inks are oxidation-free and compostable, reducing the ecological footprint of printed circuits. The paste must be mixed in its original container prior to printing.

Technical Data

Manufacturer / type	Copprint LF-301
Technology	Screen printing
Filler / appearance	Copper, copperish paste
Particle size	D50 < 0.15 µm, D90 < 3.0 µm
Solids content (10 min @ 150 °C)	80 ± 2 %
Density	2.7 ± 0.2 g/ml
Viscosity (25 °C, Brookfield spindle 14, 100 rpm)	2,000–2,500 mPa·s
Coverage (5 µm dry film thickness)	20.9 m²/kg
Substrate	Paper (glossy side)
Recommended layer thickness	approx. 3–6 µm
Drying	Hot air
Sintering	Laminator / hot roller: 5 s @ 260–300 °C
Sheet resistivity (laminator @ 260 °C, 5 s)	< 0.006 Ω/□ at 25 µm
Sheet resistivity (laminator @ 300 °C, 5 s)	< 0.004 Ω/□ at 25 µm
Adhesion (tape test 3M Scotch 234)	Pass
Shelf life	180 days at < -10 °C
Fill volume	2 ml cartridge

Product Benefits

High electrical conductivity
Small particle size
Good adhesion
Excellent screen printability
Oxidation-free, self-sintering in air
Suitable for reel-to-reel production

Typical Applications

UHF, HF, and NFC RFID antennas on paper
Printed sensors

Scope of Delivery

1× Copprint LF-301 copper ink, 2 ml cartridge

Storage note: the ink requires cold, dry storage in the sealed original container below -10 °C (shelf life 180 days). The paste must be mixed prior to printing (e.g. paste mixer, approx. 15 min at 300 rpm). Do not return unused paste to the original container. Refer to the current Copprint data sheet for exact drying and sintering parameters.

Manufacturer Information Voltera
https://www.voltera.io

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