Permatex 75150 Black Silicone Adhesive Sealant, 3 oz
Permatex 75150 Black Silicone Adhesive Sealant, 3 oz
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Permatex 75150 Black Silicone Adhesive Sealant, 3 oz

4.6 stars out of 228 reviews
(4.6)|
228 ratings
Permatex 75150 Black Silicone Adhesive Sealant, 3 ozPermatex Black Silicone Adhesive Sealant 3 oz 75150
Pack Size:Single

Key item features

  • Professional Formula: This black silicone adhesive sealant is a sensor-safe, general-purpose black RTV sealant suitable for both indoor and outdoor use.
  • Versatile Use: Capable of sealing, bonding, repairing, mending, and securing materials such as glass, metal, plastics, fabric, vinyl, and weather stripping.
  • Element Resistant: Waterproof and flexible, this sealant resists water, weather, and vibration, ensuring durability in various applications.
  • Wide Temperature Range: Effective in temperatures ranging from -75°F to 450°F (-59°C to 232°C), making it suitable for diverse environments.
  • Electrical Protection: Can be used to protect and repair electrical wiring, adding to its multipurpose functionality.
  • Suggested Applications: Ideal for door frames, electrical connections, seams and roofs, vinyl tops, weather stripping, housings, and coverings (not recommended for engine gasket applications).
  • Low Odor: Features a low odor formula, making it more pleasant to use in various settings.
  • Flexible Application: Can be applied to both horizontal and vertical surfaces, providing versatility in use.
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Current price is $5.88$1.96/oz
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Customer ratings & reviews

4.6 out of 5 stars
stars228 ratings75 reviews
How item rating is calculated
  1. 5 stars81% (184)
  2. 4 stars10% (23)
  3. 3 stars3% (6)
  4. 2 stars2% (4)
  5. 1 star5% (11)

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Showing 1-3 of 75 reviews

Nov 4, 2025
Eric
Item details
Size: 3 oz
Count per pack: 1
5 out of 5 stars review

Verified Purchase

Easy to apply--strong bond

This product was easy to use and provided a nice seal that bonded the upper and lower case of my washing machines transmission. IOW, the oil did not leak or seep out, which was the goal.

Helpful?7BD7DFWVSTUV16879902
Dec 13, 2025
GreaseNinja
Top Reviewer
Item details
Size: 3 oz
Count per pack: 1
5 out of 5 stars review

Verified Purchase

Great Sealant

I have used this sealant for years on most everything that needs to not leak. It bonds quickly and is easy to apply. I always carry an extra tube in my tool box.

Helpful?7BD7DFWVSTUV16879902
Nov 22, 2025
David
Top Reviewer
Item details
Size: 3 oz
Count per pack: 1
5 out of 5 stars review

Verified Purchase

Permatex Brand has always been a top product for my engine rebuilding and general sealing since 1976

Helpful?7BD7DFWVSTUV16879902