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  1. All products
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  3. OPA / Momentive RTV6100 Series / Clear Potting Silicone / 1:1 Mix
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Pricelist: Default USD pricelist Pricelist
Default USD pricelist
Pricelist: Default USD pricelist Pricelist
Default USD pricelist
OPA / Momentive RTV6100 Series / Clear Potting Silicone / 1:1 Mix

OPA / Momentive RTV6100 Series / Clear Potting Silicone / 1:1 Mix

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Momentive RTV6136-D1 and RTV6100 Series Silicone Dielectric Gels

Momentive RTV6136-D1 and the broader RTV6100 series are two-part, low-viscosity silicone dielectric gels designed for electronic protection, stress relief, cushioning, and environmental sealing. These materials cure into extremely soft, gel-like elastomers that combine the self-healing behavior of a liquid with the dimensional stability of a non-flowing elastomer.

The RTV6100 family includes multiple formulations with different cure speeds, working lives, low-temperature performance, and production handling characteristics. RTV6136-D1 is the high-strength, tougher gel option in the series, offering improved tear resistance compared with conventional silicone gels while still maintaining the softness, clarity, dielectric performance, and stress-relief characteristics expected from silicone gel encapsulants.

These gels are well suited for delicate electronic assemblies, displays, sensors, aerospace electronics, high-reliability modules, and other applications where the material must protect components without placing excessive mechanical stress on solder joints, wire bonds, surface-mounted devices, or fragile substrates. Their low viscosity helps the material flow around components and into complex geometries, while the cured gel provides shock and vibration dampening, moisture protection, dielectric isolation, and thermal-stress relief across a wide operating temperature range.

The RTV6100 series gives designers a useful range of standard choices, including fast-curing, extended-working-life, high-strength, general-purpose, and extended low-temperature variants. In addition to selecting from the standard RTV6100 series options, these silicone systems can be further optimized for application-specific requirements. Depending on the design and process window, formulations and processing methods may be adjusted or enhanced for adhesion, working life, cure profile, final softness or durometer, penetration value, optical clarity, flow behavior, and other critical characteristics.

RTV6100 Series Material Characteristics

MaterialGeneral PositioningPot Life at 25°CCured Gel CharacterUseful Temperature RangeRefractive IndexTypical Use Fit
RTV6126-D1Extremely fast cure5 minutesVery soft silicone gel-50°C to 200°C1.41Automated high-speed dispensing where very fast room-temperature cure is needed
RTV6136-D1High-strength / tougher gel30 minutesSoft gel with improved tear resistance-50°C to 200°C1.41Higher-reliability encapsulation where soft stress relief and improved cured strength are both desired
RTV6156Extended low-temperature performance1 hourFirmer gel compared with most of the series-115°C to 235°C1.43Harsh low-temperature applications, aerospace, outdoor, or wide-temperature electronics
RTV6166General-purpose silicone gel2 hoursVery soft silicone gel-50°C to 200°C1.41Cost-effective general encapsulation, cushioning, and dielectric protection
RTV6186High-strength with long working life8+ hoursSoft gel with improved tear resistance and long process window-50°C to 200°C1.41Manual or non-automated production lines where long working time is needed
RTV6196Very fast cure15 minutesVery soft silicone gel-50°C to 200°C1.41Fast production where automated meter-mix-dispense processing is available

Pot-Life and Cure Time Comparisons

ProductPot-Life at 25°CCure Time at 25°CCure Time at 65°CCure Time at 100°CCure Time at 150°C
RTV6126-D15 mins< 1 hr20 mins5 mins2 mins
RTV619615 mins< 2 hrs1 hr10 mins5 mins
RTV6136-D130 mins< 4 hrs2 hrs20 mins10 mins
RTV61561 hr< 18 hrs4 hrs1 hr15 mins
RTV61662 hrs< 24 hrs4 hrs1 hr15 mins
RTV61868+ hrsN/A*4 hrs1 hr15 mins

* RTV6186 requires a minimum cure temperature of 60°C.

RTV6136-D1 is especially useful when a soft dielectric gel is needed but the application also benefits from greater cured strength and tear resistance. It is commonly considered for applications where reworkability, probe testability, component protection, and long-term reliability are important, but where a conventional elastomer would be too rigid or place too much stress on the assembly.

For production use, the RTV6100 series is typically supplied as matched two-component kits designed for 1:1 mixing by weight. Some fast-cure versions, including RTV6126-D1, RTV6136-D1, and RTV6196, have relatively short pot life and are best processed with automated meter-mix-dispense equipment for repeatable results. Surface cleanliness, material compatibility, cure inhibition testing, and controlled mixing are important for consistent performance.

FPD.DEV can support selection, modification, validation, and production process development for RTV6136-D1 and related RTV6100 series silicone gels, including optical, electronic, aerospace, display, and high-reliability encapsulation applications.


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Product Detail: OPA / Momentive RTV6136-D1 / Clear Potting Silicone / 1:1 Mix

Specifications

Optical Silicone
Weight 240 (2 x 0.125 Liter), 1900g (2 x 1 Liter), 7296g (2 x 1 Gallon), 36kg (2 x 5Gallon)
Processing Unfiltered, Filtered, Enhanced
Others
Variation 6136, 6126, 6196, 6156, 6166, 6186

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