Henkel Loctite® Ultra Grey® 5999 Flange Sealant

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Henkel Loctite® Ultra Grey® 5999 Flange Sealant
Categories:	Polymer; Adhesive; Thermoset; Silicone; Silicone, RTV, Adhesive/Sealant Grade
Material Notes:	Silicone Gasketing Loctite® Silicone Gasketing materials include unique products with excellent resistance, formulations for high operating temperatures, and UV-curing formulations for cure-in-place production requirements. Silicone gasketing products are best suited for large gap applications and stamped metal assemblies where flexing occurs. Loctite® 5999 Form-in-place Heavy Body RTV Silicone Ultra Grey® Flange Sealant High modulus for rigid flange assemblies. Heavy body provides instant seal. Excellent oil, transmission fluid, gear oil, and water/glycol resistance. Non-corrosive. Low odor. Low volatility. Grey. Cure Type: Moisture Typical Use: Oil/water resistant, instant seal
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Physical Properties	Metric	English	Comments

Density	1.45 g/cc	0.0524 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	60	60
Tensile Strength, Ultimate	3.45 MPa	500 psi
Elongation at Break	175 %	175 %

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	204 °C	400 °F
Minimum Service Temperature, Air	-53.9 °C	-65.0 °F

Processing Properties	Metric	English	Comments
Cure Time	1440 min	24.0 hour	Full Cure; Varies with substrates
Tack-Free Time	10.0 min	0.167 hour

Descriptive Properties
Color	Grey
Extrusion Rate	105 g/min
Gap Fill	0.24 in.

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PLOCT142 / 51878

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