Henkel Loctite® 5920™ RTV Silicone Sealant

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Henkel Loctite® 5920™ RTV Silicone Sealant
Categories:	Polymer; Adhesive; Thermoset; Silicone; Silicone, RTV, Adhesive/Sealant Grade
Material Notes:	LOCTITE® 5920™ is a moisture-curing, non-corrosive silicone. The thixotropic nature of LOCTITE® 5920™ reduces the migration of liquid product after application to the substrate. It has been designed specially for gasketing and sealing applications where excellent temperature resistance is required. It is also used for electrical insulating applications. This product is suitable for high temperature applications.
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Physical Properties	Metric	English	Comments

Density	1.05 g/cc	0.0379 lb/in³	uncured

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	23 - 38	23 - 38	cured 7 days, 25°C; 45-55% RH; ISO 868
Tensile Strength, Ultimate	1.41 MPa	205 psi	cured 7 days, 25°C; 45-55% RH; ISO 37
Elongation at Break	>= 350 %	>= 350 %	cured 7 days, 25°C; 45-55% RH; ISO 37
Adhesive Bond Strength	0.103 MPa	15.0 psi	Brass; Lap Shear, cured 21 days, 22°C; 50% RH; 0.5 mm gap; ISO 4587
	0.103 MPa	15.0 psi	ABS; Lap Shear, cured 21 days, 22°C; 50% RH; 0.5 mm gap; ISO 4587
	0.103 MPa	15.0 psi	Silicone; Lap Shear, cured 21 days, 22°C; 50% RH; 0.5 mm gap; ISO 4587
	0.241 MPa	35.0 psi	Aluminum; Lap Shear, cured 21 days, 22°C; 50% RH; 0.5 mm gap; ISO 4587
	0.241 MPa	35.0 psi	Mild Steel; Lap Shear, cured 21 days, 22°C; 50% RH; 0.5 mm gap; ISO 4587
	0.241 MPa	35.0 psi	Stainless Steel; Lap Shear, cured 21 days, 22°C; 50% RH; 0.5 mm gap; ISO 4587
	0.276 MPa	40.0 psi	Copper; Lap Shear, cured 21 days, 22°C; 50% RH; 0.5 mm gap; ISO 4587
	0.379 MPa	55.0 psi	Zinc Plated Steel; Lap Shear, cured 21 days, 22°C; 50% RH; 0.5 mm gap; ISO 4587
	0.621 MPa	90.0 psi	Aluminum (Grit Blasted); Lap Shear, cured 21 days, 22°C; 50% RH; 0.5 mm gap; ISO 4587
	0.655 MPa	95.0 psi	Mild Steel (Grit Blasted); Lap Shear, cured 21 days, 22°C; 50% RH; 0.5 mm gap; ISO 4587
	1.00 MPa	145 psi	Phenolic; Lap Shear, cured 21 days, 22°C; 50% RH; 0.5 mm gap; ISO 4587
	1.28 MPa	185 psi	Steel (e-coated); Lap Shear, cured 21 days, 22°C; 50% RH; 0.5 mm gap; ISO 4587

Electrical Properties	Metric	English	Comments
Volume Resistivity	5.50e+15 ohm-cm	5.50e+15 ohm-cm	cured 21 days, 22°C; 45-55% RH; IEC 60093
Surface Resistance	2.00e+17 ohm	2.00e+17 ohm	cured 21 days, 22°C; 45-55% RH; IEC 60093

Thermal Properties	Metric	English	Comments
CTE, linear	340 µm/m-°C	189 µin/in-°F	cured 21 days, 22°C; 45-55% RH; ISO 11359-1
Maximum Service Temperature, Air	350 °C	662 °F

Processing Properties	Metric	English	Comments
Cure Time	360 min @Thickness 2.00 mm	6.00 hour @Thickness 0.0787 in	room temp
	4080 min @Thickness 5.00 mm	68.0 hour @Thickness 0.197 in	room temp
	10100 min @Thickness 10.5 mm	168 hour @Thickness 0.413 in	room temp

Descriptive Properties
Color	Copper
Extrusion Rate	>275 g/min		Semco Cartridge
Gap Fill	0.24 in.
Tack Free Time	20 - 60 min.		22°C; 45-55% RH

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PLOCT141 / 51877

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