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Silicone Adhesive

MG Chemicals is the authorized master distributor for Momentive RTV silicone products (formerly known as GE Silicones). Our silicone adhesive portfolio includes a wide range of features to meet your needs, including consistency, adhesive strength, flame retardancy, outgassing, thermal conductivity, and more. Those familiar with GE silicone glue will know that RTV silicone adhesives are advantageous over other adhesive technologies because of their high heat resistance and wide operating temperature range. This, coupled with their low modulus, makes them an ideal choice for protecting delicate components in particularly harsh environments, such as automotive and aerospace applications.

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RTV Silicone Adhesive
1035 - Premium RTV Silicone Adhesive Sealant

1035 – Premium RTV Glue for Electronics

RTV 1035 is a one-part, neutral cure, clear RTV glue that cures to a durable silicone sealant. As the silicone cures, a neutral vapor releases making it an ideal sealant for sensitive electronic components. The cured silicone is soft, clear with a thick consistency making it easy to apply locally. The adhesive provides good hold and can seal around components to prevent moisture protection.

RTV 1035 is an electronics silicone since it does not release acetic acid during cure. Unlike some moisture cure silicones, RTV 1035 does not attack copper. Aside from releasing little odor during cure, RTV 1035 adheres well to many substrates including metal, plastics and glass. This electronics sealant achieves primerless adhesion and survives in many outdoor settings.

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RTV106 - High Temperature Silicone Sealant

RTV106 – High Temperature Silicone Sealant

RTV106 is a red, one-component, ready-to-use high temperature silicone sealant. This high temp silicone withstands temperatures up to 260C and handles brief exposure up to 315C. Aside from resisting high heat, the RTV106 is ideal for applications both indoor and outdoor. RTV106 qualifies as suitable for use near food production and cures at room temperature in only 24 hours.

RTV106 adheres well to many substrates including glass, metal and many plastics. Users do not need to use a primer to achieve excellent adhesion for most surfaces. RTV106 holds up under extreme temperatures, making it an ideal material for industrial use such as automotive and aerospace.

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RTV162 - Silicone Glue

RTV162 – Silicone Glue

RTV162 is a one-component, ready-to-use, electronics grade silicone glue that has excellent mechanical properties, making it an ideal white silicone sealant. It releases a neutral vapor as a byproduct of cure, and can be used to bond metallic electronics components.

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1035 - Premium RTV Silicone Adhesive Sealant

1035 – Premium RTV Glue for Electronics

RTV 1035 is a one-part, neutral cure, clear RTV glue that cures to a durable silicone sealant. As the silicone cures, a neutral vapor releases making it an ideal sealant for sensitive electronic components. The cured silicone is soft, clear with a thick consistency making it easy to apply locally. The adhesive provides good hold and can seal around components to prevent moisture protection.

RTV 1035 is an electronics silicone since it does not release acetic acid during cure. Unlike some moisture cure silicones, RTV 1035 does not attack copper. Aside from releasing little odor during cure, RTV 1035 adheres well to many substrates including metal, plastics and glass. This electronics sealant achieves primerless adhesion and survives in many outdoor settings.

Read More »
RTV106 - High Temperature Silicone Sealant

RTV106 – High Temperature Silicone Sealant

RTV106 is a red, one-component, ready-to-use high temperature silicone sealant. This high temp silicone withstands temperatures up to 260C and handles brief exposure up to 315C. Aside from resisting high heat, the RTV106 is ideal for applications both indoor and outdoor. RTV106 qualifies as suitable for use near food production and cures at room temperature in only 24 hours.

RTV106 adheres well to many substrates including glass, metal and many plastics. Users do not need to use a primer to achieve excellent adhesion for most surfaces. RTV106 holds up under extreme temperatures, making it an ideal material for industrial use such as automotive and aerospace.

Read More »
RTV162 - Silicone Glue

RTV162 – Silicone Glue

RTV162 is a one-component, ready-to-use, electronics grade silicone glue that has excellent mechanical properties, making it an ideal white silicone sealant. It releases a neutral vapor as a byproduct of cure, and can be used to bond metallic electronics components.

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  • Wide operating temperature range – maintains elasticity between -60 to 200°C
  • Electrically insulating – Will not cause electrical shorts
  • FDA-approved grade available – May be used for indirect food contact
  • Low modulus – Does not stress components during cure or thermal cycling
  • Excellent weathering resistance – Does not degrade from elemental exposure
  • Secondary features available – Includes grades for flame retardance, thermal conductivity, low outgassing and optical clarity
  • Form-in-place gaskets – Seals and protects against moisture ingress
  • Thin section potting – Absorbs low energy impacts to PCBs
  • Staking PCB components – Adds extra support to vulnerable components from mechanical shocks
  • Thermal management in battery packs – Facilitates lateral heat flow from cell to cell
Can I speed up cure with heat?

For some grades, you can lower the cure time by applying higher heat; however, with condensation cure materials, this does not work as cure is governed by the availability of atmospheric moisture and cure time is typically 12-24 hours. You may marginally lower cure time by subjecting the silicone very humid environments but cure will still take several hours. Conversely, arid environments will extend the cure time.

Why can I not apply 1-part condensation cure materials thicker than ¼”?

The thickness constraint of 1-part condensation cure materials stems from the fact that the materials cure from the outside in. Applying the material too thick causes the outer skin to harden which seals off moisture from penetrating deep into the applied silicone leaving it uncured. If your application requires material at a greater depth, consider instead a 2-part addition cure material that can be applied thick.

Can I machine the cured adhesive?

Once cured, you can machine the silicone to some extent like sanding and polishing.

How are 1-part condensation cure silicones sub-divided by their by-product?

You can roughly divide 1-part condensation cure silicones into 2 groups, neutral cure and acetoxy cure. During the cure process, 1-part condensation cure grades release by-products which sub-divides these materials. Acetoxy cure silicones release acetic acid as a cure by-product so naturally, since this is acidic it is not recommended for applications involving metals. Neutral cure materials release methanol or methyl ethyl ketoxime which are both non-acidic and can be applied to metallic materials.

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