RTV Silicone



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RTV Silicones by

2-Part Potting/Encapsulating Compound RTV511

Technical Support
for RTV Silicones

1-800-255-8886

M.G. Chemicals Disclaimer
for RTV Silicones >

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MSDS
Specifications
Available Sizes

Related products:
	RTV567 Clear
	RTV577 White
	RTV656 Clear



	Selection Guide One Part Chart Two Part Chart


	General Purpose Aerospace Marine High Performance Assembly Electronics Thermal Conductivity High Temperature Low Temperature

Primary Characteristics

White Flowable

Condensation cure

Extreme low temperature

Thermal insulator

Primer required

Use for:

Cast-in-place heat shielding

Thermal insulation

Low & high temp. bonding

Potting, encapsulating and coating electronic assemblies and components

Excellent for cast-in-place heat shielding, thermal insulation, and low temerature bonding, potting and encapsulation of electronic assemblies. Composition is free of solvents and solvent odour. Excellent retention of elastomeric properties at temperatures from -115°C to 204°C (-175°F to 400°F). This two-part silicone is supplied with a curing agent. Silicone primer is required. Cures at room temperature and has excellent adhesion qualities. The product comes complete with catalyst DBT. Specialized catalysts are avialable upon request.

Available Sizes

Catalog Number	Sizes Available	Description	Case Qty
RTV511-1G	1 gallon	12 lb. kit	1
RTV511 requires a primer. Visit our primer guide for details.

Specifications

Use	Adhesive Sealant
Special Feature	High tensile strength
Standards	FDA 21CFR 177.2600
	MIL-A-46106
	UL Recognized
	UL File No. E-36952
	UL 94 HB
Cross Reference	RTV 102, DC 732
Uncured Properties
Consistency	Paste
Color	White
Specific Gravity	1.21
Tack Free Time	20 min
Work (pot) life	1.5 hour
Useful Temp. Range	-60°C to 205°C (-75°F to 400°F)
Cured Properties - MECHANICAL
Hardness	42 (Shore A)
Tensile Strength	2.65 MPa (380 psi)
Elongation	170%
Tear Strength	3.8 kg/cm
	(21 lb/in, 3.7 kN/m)
Cured Properties - ELECTRICAL
Volume Resistivity	2 x 10¹⁴ ohm · cm
Dielectric Strength	20 kV/mm
	500 V/mil
Dielectric Constant	3.6 @ 60 Hz
Cured Properties - THERMAL
Thermal Conductivity	0.5 x 10^-4 cal/sec/cm²
Brittle Point	-60°C (-75°F)
Thermal Expansion	7 x 10^-5 (°C)^-1
Other
Viscosity (@ 25°C)	16,000 cps
Mix ratio (by weight)	100 : 0.5

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