ITW Insulcast® RTVS A-4000 Silicone Potting/Encapsulation Compound

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ITW Insulcast® RTVS A-4000 Silicone Potting/Encapsulation Compound
Categories:	Polymer; Thermoset; Silicone; Silicone, RTV, Encapsulation Grade
Material Notes:	Insulcast® solutions are compounds designed for potting and encapsulating. INSULCAST RTVS A-4000 is a two component solvent based silicone resin adhesive with excellent lap shear and peel strengths at elevated temperatures. RTVS A-4000 can be used to bond silicones, Mylar, metals and many engineering plastics, and will maintain significant peel strength up to 300°F. It will retain flexibility over an elevated temperature range of -73° to 260 °C. RTVS A-4000 is approved for use within the Army Missile Command, The Department of the Army and is available for use by all agencies of the Department of Defense under MIL-A-47317(MI). The overall balance of peel strength, cohesion, lap shear strength and high temperature holding power observed in RTVS A-4000 adhesive provides a versatility that makes this product useful in a wide variety of fastening and bonding applications. Information provided by ITW Performance Polymers.
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Available Properties

Specific Gravity, Uncured. Part B
Specific Gravity, Uncured. Part A
Solids Content, uncured
Viscosity, ASTM D2393, Part B
Viscosity, ASTM D1084, Mixed, Part A, Part B
Viscosity, ASTM D2393, Part A
Adhesive Bond Strength, ASTM D624, silicone to aluminum lap shear
Adhesive Bond Strength, ASTM D624, Mylar to Mylar lap shear
Peel Strength, Cured. Mylar to Mylar @ 180°
Peel Strength
Dielectric Strength, ASTM D149
Maximum Service Temperature, Air
Minimum Service Temperature, Air
Flash Point, COC. Uncured
Cure Time
Cure Time
Pot Life, Part A, Part B. Refrigerated
Shelf Life, Part A, Part B

Property Data

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Manufacturer Notes:
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Category Notes
Plastic

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