Momentive
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Momentive RTV108 One Part Silicone Sealant, 10.1 Ounce Caulker, Translucent
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Momentive RTV108 One Part Silicone Sealant, 10.1 Ounce Caulker, Translucent
General purpose, one-part silicone sealant that cures to a tough, durable, resilient silicone rubber on exposure to atmospheric moisture.
Momentive RTV108 One Part Silicone Sealant, 10.1 Ounce Caulker, Translucent
Item #: 1139298

Momentive RTV108 One Part Silicone Sealant, 10.1 Ounce Caulker, Translucent

87% of respondents would recommend this to a friend

Item #: 1139298
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General purpose, one-part silicone sealant that cures to a tough, durable, resilient silicone rubber on exposure to atmospheric moisture.
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What Stands Out

Professional Grade
Momentive RTV108 offers a high-performance solution for sealing that meets professional standards, ensuring durability and reliability for various applications in both indoor and outdoor environments.
One-Part Application
This sealant requires no mixing, allowing for quick and easy application. Its user-friendly formula makes it accessible for both DIY enthusiasts and professional contractors alike.
Translucent Finish
The translucent appearance blends seamlessly with various surfaces, providing an aesthetically pleasing finish without compromising on sealing integrity and performance, making it ideal for visible areas.

Product Details

Shop Momentive RTV108 One Part Silicone Sealant, 10.1 Ounce Caulker, Translucent online at a best price in Laos. B004V40DJ4
  • Tack-Free Time: 20 minutes
  • May be used on equipment in contact with edible products
  • Maximum continuous operating temperature: 400°F
  • Tensile Strength: 28 kg/cm2 (400 lb/in2)
  • Capable of curing at room temperature and ambient humidity
  • Self-adhesion properties
Brand NameMomentive
UPC094703354218
Unit Count1 Count
Number of Items1
Part NumberRTV108
ModelRTV108-10.1 0Z
ManufacturerMomentive
Item Weight327 Grams
Water Resistance LevelWaterproof
Item FormPaste
Compatible MaterialRubber
Style NameRTV108
ColorTranslucent
Surface RecommendationTile, Pipe, Counter Top, Window, Door, Sink, Tub, Walls
Material TypeSilicone Rubber
MaterialSilicone Rubber
BrandMomentive
StyleRTV108

Who Should Buy?

Suitable For
  • Home Repair DIYers

    Ideal for homeowners looking for a reliable solution for sealing gaps and cracks in various surfaces.

  • Bathroom Applications

    Perfect for utilizing in bathrooms, ensuring water-tight seals around sinks, tubs, and showers in humid environments.

  • General Crafting

    A great choice for crafters needing a flexible sealant for projects involving glass, ceramics, and other materials.

Not Suitable For
  • High-Temperature Needs

    Not suitable for applications requiring resistance to extreme temperatures beyond the silicone's rated limits.

Product Description

Momentive RTV108 One Part Silicone Sealant, 10.1 Ounce Caulker, Translucent

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is Momentive RTV108 One Part Silicone Sealant used for?

    Answer: Momentive RTV108 is a versatile silicone sealant primarily used for sealing, bonding, and waterproofing applications. It is ideal for use in areas like windows, doors, and plumbing fixtures. Its excellent adhesion properties help create a durable, waterproof seal that can withstand extreme temperatures and conditions, making it suitable for both indoor and outdoor projects.
  • Question: How long does it take for RTV108 silicone sealant to cure?

    Answer: The curing time for Momentive RTV108 silicone sealant largely depends on the humidity and temperature of the environment. Typically, it starts to become tack-free within about 20 minutes and can take up to 24 hours to fully cure. This allows for flexibility in project timing, ensuring that the seal performs well without needing immediate disruption.
  • Question: Is Momentive RTV108 safe to use in food-related applications?

    Answer: Momentive RTV108 is not recommended for use in applications directly involving food contact. Although it has excellent sealing properties, it does not meet specific safety standards governing food-grade materials. For kitchen or food-related projects, consider using a food-safe silicone sealant specifically designed to be compliant with safety regulations.
  • Question: Can I paint over RTV108 silicone sealant after it cures?

    Answer: Generally, painting over Momentive RTV108 is not advisable, as silicone sealants have a non-adhesive surface that paint struggles to stick to. For projects requiring paint, consider using a paintable silicone or a different sealant, ensuring your finished project meets aesthetic needs while maintaining effective sealing properties.
  • Question: What colors does Momentive RTV108 come in?

    Answer: Momentive RTV108 silicone sealant is commonly available in a translucent option, allowing it to blend well with various substrates and surfaces. This translucence means it can provide an aesthetically pleasing finish without obstructing the visual appeal of the installation, especially in applications around glass or colored materials.
  • Question: Is RTV108 suitable for high-temperature applications?

    Answer: Yes, Momentive RTV108 silicone sealant is formulated to withstand high temperatures, making it ideal for applications exposed to heat, such as around ovens, heaters, or in automotive environments. Its temperature tolerance ensures that the seal maintains integrity even in demanding conditions, preventing leaks and ensuring durability.
  • Question: How do I apply Momentive RTV108 silicone sealant?

    Answer: Applying Momentive RTV108 silicone sealant requires a few simple steps. Start by ensuring the surface is clean and dry to optimize adhesion. Use a silicone caulking gun for precise application, and apply the sealant in a steady, continuous bead, smoothing it with a caulking tool or a finger for better finish, depending on the desired appearance.
  • Question: Is RTV108 resistant to mold and mildew?

    Answer: Momentive RTV108 is designed to be resistant to mold and mildew, making it an excellent choice for areas prone to moisture, such as bathrooms and kitchens. This property helps maintain not only the effectiveness of the seal but also ensures a cleaner, healthier environment by preventing fungal growth over time.
  • Question: Can Momentive RTV108 sealant be used underwater?

    Answer: Yes, RTV108 can be applied in wet conditions and cures underwater. This feature makes it suitable for sealing applications in bathrooms, aquariums, or plumbing repairs. Its waterproof qualities ensure that seals remain intact and effective, even when submerged, providing added versatility in various project scenarios.
  • Question: Where can I buy Momentive RTV108 One Part Silicone Sealant, 10.1 Ounce Caulker, Translucent?

    Answer: You can buy Momentive RTV108 One Part Silicone Sealant from Ubuy in Laos. Ubuy offers a convenient online shopping experience with a variety of solutions, ensuring you can find the sealant you need quickly and easily, suitable for your projects.

Momentive Caulk Editorial Review

Momentive RTV108 One Part Silicone Sealant, 10.1 Ounce Caulker, Translucent is a versatile sealant that excels in various applications, especially when water resistance is crucial. Many users praise this product for its impressive adherence to different materials including metal and ceramics, with one reviewer noting its successful use in a saltwater tank sump without any leaks. The sealant is easy to handle, setting tacky quickly, though users should be mindful of the strong odor during use. Additionally, it's flexible enough to withstand impacts, making it ideal for intricate DIY projects and repairs.

Customer Reviews & Ratings

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Pros

  • Strong adhesion to various materials
  • Waterproof after curing
  • Flexible and durable for flexibility needs
  • Quick tack time for easy application
  • Ideal for aquatic projects and terrariums

Cons

  • Strong odor during application might be an issue for some

Platform Trust & Buyer Confidence

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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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Features & Benefits

  • Excellent low and high temperature performance (-75° to 400°F)
  • Recognized by UL under UL FIle # E-36952
  • Can be used in food contact applications where FDA regulations apply
  • Tack-free time: 20 minutes
  • Self adhesion properties
  • Can be applied to vertical and overhead surfaces where pourable / self-leveling sealants are not practical

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