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Cotronics Duralco™ 4540 Machinable Epoxy

Category	Polymer , Thermoset , Epoxy
Manufacturer	Cotronics
Trade Name	Duralco™
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Cotronics Duralco™ 4540 Machinable Epoxy.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Patches, fills, seals, and repairs with outstanding adhesion, ductility, thermal conductivity and shock resistance.Corrosion Resistance: excellent resistance to chemicals and solventsApplications: repairing leaks, solder joints, cracks, holes, castings, heating elements, cooling coils, high temperature instruments, assemblies.

Physical Properties	Metric	English
Density	1.90 g/cc	0.0686 lb/in³
Moisture Absorption at Equilibrium	0.20 %	0.20 %
Viscosity	30000 cP	30000 cP

Mechanical Properties	Metric	English
Hardness, Shore D	80	80
Tensile Strength, Ultimate	68.9 MPa	10000 psi
Elongation at Break	1.2 %	1.2 %

Thermal Properties	Metric	English
CTE, linear	80.0 µm/m-°C @Temperature 20.0 °C	44.4 µin/in-°F @Temperature 68.0 °F
Thermal Conductivity	5.04 W/m-K	35.0 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	260 °C	500 °F
Shrinkage	0.10 %	0.10 %

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+8 ohm-cm	1.00e+8 ohm-cm
Dielectric Strength	3.94 kV/mm	100 kV/in

Processing Properties	Metric	English	Comments
Cure Time	60.0 min @Temperature 121 °C	1.00 hour @Temperature 250 °F

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