Cookson Group POLYSOLDER® LT Two Part Electrically Conductive Adhesive Paste

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Cookson Group POLYSOLDER® LT Two Part Electrically Conductive Adhesive Paste (discontinued **)
Categories:	Polymer; Adhesive; Thermoset
Material Notes:	This two-part material is a lead-free, no clean, environmentally benign solder substitute specifically designed for electronic component assembly, especially surface mount. POLYSOLDER Lt is normally provided as a one part, ready to use product. However, this two-part system is available for long distance shipments, so that dry ice is not required. Information provided by Cookson Electronics
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Physical Properties	Original Value	Comments

Filler Content	78 - 82 %
Viscosity	150000 cP	HBT 5x cp-51 spindle, 1 rpm

Mechanical Properties	Original Value	Comments
Adhesive Bond Strength	>= 2500 psi	Die shear

Electrical Properties	Original Value	Comments
Volume Resistivity	0.00015 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	54.0 µm/m-°C	Below Tg
Thermal Conductivity	3.50 W/m-K
Glass Transition Temp, Tg	90.0 °C

Processing Properties	Original Value	Comments
Pot Life	480 - 720 min	On screen
Shelf Life	6.00 Month @Temperature -40.0 °C	Mixed
	6.00 Month @Temperature 25.0 °C	Unmixed

Descriptive Properties
Assembly Temperature	130-170°C
Junction Resistivity	<25 mohm	Typical, tin-lead coated components

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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