Protective Silicone Potting and Encapsulation Materials

Momentive Performance Materials provides leading-edge silicone technologies to help meet performance and productivity challenges in a wide range of automotive and electronic applications. Momentive’s dielectric potting and encapsulation materials are principally used to protect electronic components from moisture and harmful contaminants. These materials can help provide stress relief protection to circuits from thermal, vibration, and mechanical stress. Momentive offers a range of materials including one- and two-part products and specialized grades that offer thermal conductivity, flame retardancy, and low volatiles.

Protective Silicone Potting & Enacapsulation MaterialsProtective Silicone Potting & Encapsulation Materials

Key Features

Temperature resistance
Low modulus, good dampening properties
Low viscosity
Very fast cure
High dielectric strength
Self-healing gels

Typical Benefits

Thermal and mechanical stress protection
Easy flow around components
Productivity, high outputs
Reliability

Potential Applications

ECU potting
Air flow mass meter
Sensor potting
LED encapsulants

Typical Physical Properties

(selected grades only; please contact us for material selection support)

Product	System (1)	Ratio (w/w)	Cure Time	Color	Type	Viscosity (Pa·s)	Feature
TSE3051	AC, 1K	n.a.	1 hr @ 150 °C	Clear	Gel	0.7	1 Part - Easy handling
TSE3070	AC, 2K	1:1	0.5 hr @ 70 °C	Clear	Gel	0.8	Excellent vibration damping
TSE3032	AC, 2K	10:1	1 hr @ 100 °C	Clear	Rubber	4	Non bonding
TSE3033	AC, 2K	1:1	30 min @ 150 °C	Clear	Rubber	1	Self bonding
TSE3331K	AC,2K	1:1	1 hr @ 120 °C	Dark Grey	Rubber	3	UL94 - V0. Thermal conductive
TSE3251	AC, 1K	n.a.	1 hr @ 150 °C	White	Rubber	8.5	1K - Easy handling
RTV11	CC, 2K	Variable	24 hr @ RT	White	Rubber	11	FDA compliant (2), deep section cure possible
TSE3660	CC, 2K	100:8	24 hr @ RT	Light blue	Rubber	3	Low temp adhesion, good deep sectioncure, UL-94 HB

(1) AC = Addition Cure, CC = Condensation Cure
(2) Compositionally compliant with the requirements of 21 CFR 177.2600 - Rubber articles intended for repeated use have been found, through testing of a representative sample, to meet the extractives limitations in 21 CFR 177.2600(e) and/or (f). It is the responsibility of the user to determine that the final product complies with the extractive limitations and other requirements of 21 CFR 177.2600 under their specific manufacturing procedures.
NOTE: Typical properties are average data and are not to be used as or to develop specifications.

Protective Silicone Potting & Enacapsulation MaterialsProtective Silicone Potting & Encapsulation Materials

Encapsulants, Gels and Potting

Protective Silicone Potting & Encapsulation Materials