The 10 Best _Permatex_ High Heat Silicones (2022 reviews)

_permatex_ high heat silicones
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If you are looking for collection of best _permatex_ high heat silicones, This page is just for you.

Our review process:

Our Top Picks:

Best Overall:
Buy: Permatex Additional Sealer
READ REVIEW

Best For Differential:
Buy: Permatex Premium Rtv Gasket Maker
READ REVIEW

Best For Sealing The Joints:
Buy: Permatex High Temp Silicone
READ REVIEW

Best For Automatic Transmission Pans:
Buy: Permatex Rtv Silicone
READ REVIEW

Best For Lots Of Uses:
Buy: Permatex Gasket Maker
READ REVIEW

Best For Use:
Buy: Permatex Anaerobic Sealer
READ REVIEW

Best For Leak Prone Areas:
Buy: Permatex High Heat Silicone
READ REVIEW

Best For Heavy Duty Applications:
Buy: Permatex Advanced Gasket Maker
READ REVIEW

Best With Low Odor:
Buy: Permatex New Optimum Red Rtv Gasket Maker
READ REVIEW

Best For Exhaust:
Buy: Permatex High Heat Silicone
READ REVIEW

Best Overall: Permatex Additional Sealer

Permatex Additional Sealer
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Compared with other Permatex's products, the Permatex Additional Sealer has a design with broader appeal. The permatex additional sealer lets it cure and it is definitely worth the price. Brought some permatex ultra copper maximum temperature rtv silicone gasket maker is the most advanced, high - temp rtv silicone gasket available. These gasket makers offer significant performance advantages, excellent torque retention and hi-temp, sensor-safe properties.

Lastly, the permatex additional sealer is sensor-safe, low odor, and non-corrosive with superior adhesion.

Almost all buyers found that the silicone is a colour which doctors are told to watch out for as indicative of an ebola outbreak. Also, a few strongly agree that the silicone is too much pressure and heat to use any caulk or rtv. Moreover, they say that these days silicone sealants are so much better than they used to be.

Top Customer Quotes:
  • This is made for a water pump.
  • Most advanced, high temp rtv silicone gasket available.
  • This does the job and it is great for exhaust manifolds.
  • This forms a pretty strong bond.

Best For Differential: Permatex Premium Rtv Gasket Maker

Permatex Premium Rtv Gasket Maker
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The permatex premium RTV gasket maker should be able to handle its purpose and duties with ease. The permatex premium RTV gasket maker works as advertised and it is blue. Designed specially for high-torque and high vibration applications, like those common in imported engines, this premium rtv gasket maker exceeds manufacturers’ performance requirements. This premium rtv gasket maker exceeds manufacturers ' performance requirements, featuring maximum vibration resistance and outstanding resistance to oils, cooling and shop fluids.

Most importantly, the Permatex Premium Rtv Gasket Maker is good for the rear differential, holds strong and it does the job.

Most buyers quickly discovered that silicone is best for that is the right stuff. It is like real rubber, oil, gas etc. In addition, they say that the silicone is quite forgiving to work with at 80f+ temperatures. In addition, they say that the silicone is good for use around the shop. To sum up, the tone of buyers is very positive and we believe that the silicone suits the purpose.

Top Customer Quotes:
  • This is doing a great job, no leaks.
  • This can be used by others or as a good substitute.
  • This does not smell like acetic acid (vinegar) like some silicone sealants.
  • This is where the halves of the house go together, then yes.

Best For Sealing The Joints: Permatex High Temp Silicone

Permatex High Temp Silicone
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The Permatex High Temp Silicone is capable of outshining several other products featured in this list in overall features in its price range. The permatex high temp silicone holds strong and it is highly recommend. 1980 gasket maker, it is oem specified. And, this would be perfect with fast shipping, is blue and it is great for new water pump.

The silicone offers significant performance advantages which include outstanding oil resistance, excellent torque retention and hi-temp, sensor-safe properties. In addition, it works as advertised and it allows for nice work. Finally, the permatex high temp silicone is best for gasket repair, remains flexible and it is brand new.

Almost all customers opine that the silicone can be used on a motorcycle project, no leaks yet. And, a few strongly agree that the silicone is easy to apply and very easy to see, which makes it good for installation. Further, they say that the permatex silicone is flexible and handles the warping way better. In conclusion, many customers have used the silicone for more than a few months without any issues, and it shows no sign of giving up.

Top Customer Quotes:
  • This can make any gasket quickly.
  • Makes reliable 'formed-in-place' gaskets that resist cracking, shrinking and migrating.
  • Permatex always has the right gasket maker for your application.
  • This form a bead, is very happy and it makes for very fast shipping.

Best For Automatic Transmission Pans: Permatex Rtv Silicone

Permatex Rtv Silicone
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The Permatex Rtv Silicone's superior materials makes sure that it ages well with use. The permatex rtv silicone works as advertised and it is built for heavy - duty applications. Make sure this fits by entering your model number. Further, this is ideal for heavy duty, is made for good stuff and it is highly recommend.

The silicone is ideal for high performance & premium components including valve covers, oil pans, automatic transmission pans, intake manifold end seals, timing covers, water pumps, and thermostat housings. Lastly, the permatex rtv silicone is great for good quality and it is blue.

Most buyers opine that the silicone will harden fantastically strong and it is a great sealant for engine builds. In addition, they say that the silicone is ultra high temp, it's intended for exhausts and turbochargers. Also, they strongly agree that this gasket maker is an rtv silicone so it should have 24 hours of cure time before being used. Therefore, most customers agree that silicone suits best, and no one questions it.

Top Customer Quotes:
  • The most advanced, high temp rtv silicone gasket maker available.
  • This is the best, easiest to use gasket sealer I have ever used.
  • This is used to seal copper o-ringed head gasket water ports on acura heads.

Best For Lots Of Uses: Permatex Gasket Maker

Permatex Gasket Maker
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Next on the list, we've got yet another product that manages to win our hearts. It's the Permatex Gasket Maker and it's widely considered as the product that has the most suitable features. The permatex gasket maker leak free seal and it is designed for very straight - forward use. Permatex ultra black maximum oil resistance rtv silicone gasket maker is a fast-curing, sensor-safe, low - odor, non-corrosive formula that retains high flexibility, and oil resistance properties through use of a patented adhesion system. This gasket maker meets performance specs of silicone gaskets and is specified.

The silicone is used for gear oil, holds tight and it works for lots of uses. And, it works as advertised, can qualify for free shipping and it is great to hold. Lastly, the permatex gasket maker is dependable, goes on easily and it is great for transmission fluid.

Almost all customers agree that the silicone can be used on replacement oil pan on a chrysler t&c on the corners, as the manual says. Furthermore, a few also found that the silicone can be used on a valve cover gasket and it works like a charm. Moreover, they also found that this is the best gasket sealer to seal engine oil, for oil pans, valve covers, intake manifold front and rear corner sealant, timing chain covers. Obviously, this silicone passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:
  • Superior resistance to powertrain fluids including engine oil, transmission fluid, gear lube and coolants.
  • This is supposed to really really really resist oil.
  • This is made with fast ship, is very happy and it is highly recommended.
  • Sensor-safe, non-corrosive formula designed for superior adhesion to oily surfaces and long - term durability.

Best For Use: Permatex Anaerobic Sealer

Permatex Anaerobic Sealer
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If you often find yourself confused about appropriate and satisfactory silicone, this product is your end point. The Permatex Anaerobic Sealer is ideal for on-the-spot and emergency repairs, or when a conventional gasket is unavailable. Parts disassemble easily even after extended service and old gasket material can be removed in minutes with a simple putty knife. Further, this includes gasket makers, sealants, hand cleaners, threadlockers, adhesives, cleaners, repair kits, and lubricants.

The silicone is best for the next day and it comes with directions for use. Finally, the permatex anaerobic sealer fits snugly for leak proof, comes with black rtv and it is highly recommend.

Almost all customers agree that the silicone can be used on jeep 4.0 inline 6 rear main seal. Furthermore, a few also found that the silicone does not fill large scratches, and gouges. In addition, a few say that the anaerobic sealant does exactly what the word " anaerobic " implies. In conclusion, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • This is to be a one-stop solution center for do-it-yourselfers and professional technicians.
  • This can be used on heavy items where a gasket is no longer available.
  • This is one of many permatex products which meet or exceed the auto specs.
  • This stuff is a great sealer / gasket maker.

Best For Leak Prone Areas: Permatex High Heat Silicone

Permatex High Heat Silicone
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The Permatex High Heat Silicone should be able to handle its purpose and duties with ease. The permatex high heat silicone works for large sizes and it does the job. Approved for use in aviation as well as automotive applications. Moreover, it is best for the next day and it is made for good value.

Most importantly, the permatex highheat silicone is good for country of origin, has manufacturer number and it lets it cure.

Most buyers found that the silicone is used for engine sealing components where heat is an issue. And, they also found that the silicone can be used in applications like crankcase joints in lycoming or continental aviation engines (also old bug engines) where dimensional precision is critical for establishing proper crush on main bearing shells, for example. Moreover, they say that this is a non - hardening sealer and is not designed for fuel applications. In short, for almost all customers, it was what they were looking for.

Top Customer Quotes:
  • Temperature range: -65f to 400f (-54c to 204c).
  • This is used to seal water areas in kitchens and bathrooms.
  • Slow-drying, non-hardening sealant approved for use in aviation as well as automotive applications.
  • This is great stuff for sealing ab material to PVC pipe.

Best For Heavy Duty Applications: Permatex Advanced Gasket Maker

Permatex Advanced Gasket Maker
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Next on the list, we've got yet another product that manages to win our hearts. It's the Permatex Advanced Gasket Maker and it's widely considered as one of the most convenient products you can buy. The permatex advanced gasket maker is good for rear differential, works as advertised and it is blue. Permatex, the right stuffed gasket maker, allows you to make leak-proof gaskets and return equipment to service immediately. The elastomeric ' formed - in - place ' material is more reliable and longer lasting than pre - cut gaskets.

The silicone comes with new gaskets and it works quickly. In addition, it cures quickly, is designed to be worth every penny and it is used for heavy - duty applications. Finally, the permatex advanced gasket maker is perfect for heavy duty and it is highly recommend.

Almost all customers agree that the silicone will harden quickly once the original seal is broken. In addition, they say that the silicone is great in the engine room when temps are high. Also, a few strongly agree that silicone is the best sealant for no leak assembly on engines. In short, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • This is great for their intended applications.
  • This is made by permatex, as a mechanic for over 40 years.
  • This can be used as a gasket sealant for many automotive applications.
  • This offers higher oil resistance and greater elastic flexibility.

Best With Low Odor: Permatex New Optimum Red Rtv Gasket Maker

Permatex New Optimum Red Rtv Gasket Maker
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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate silicone. The product is exactly that - it's a simple product that hits all the right notes. The Permatex New Optimum Red Rtv Gasket Maker has a great temperature range and it is non-toxic. Premium professional gasket maker for today’s fast-paced heavy diy’er and professional mechanics’ seeking a maximum temperature solution to withstand extreme temperatures up to 750°f (399°c) intermittent. In addition, it allows for a sensor-safe, low odor and non-corrosive performance and is resistant to oil and common shop fluids.

The silicone can be used as a gasket maker or dressing and meets performance specs of silicone gaskets. Finally, the permatex new optimum red rtv gasket maker is one of the manufacturers of premium chemical products to the automotive maintenance and repair, home and hardware markets.

Most customers found that the silicone can be used as a gasket for generator exhause. Also, a few also found that the silicone is used for sealing a grill. And, they also found that silicone is one of the many great permatex products specified in late model engines and transmissions. Without any doubt, this silicone passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:
  • This is easy to use with a high end temperature range.
  • Oem specified, sensor-safe, low odor, non-corrosive.
  • This is made for good stuff and it stays flexible.
  • This is perfect for airplane engine / exhaust gaskets.

Best For Exhaust: Permatex High Heat Silicone

Permatex High Heat Silicone
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The Permatex High Heat Silicone has killer features for the price point. The permatex highheat silicone is used to coat the pre-cut gasket to increase reliability. Permatex high-temp red rtv silicone gasket maker is formulated for high-temp applications and heavy-duty use, such as towing. Also, this is good for rear differential, is good for country of origin and it is blue. Lastly, the permatex high heatsilicone s highly recommended and it is very durable.

Most buyers opine that the silicone is good as ever after a year. And, they say that the silicone is great to use on reassembly of farm tractor. Also, a few say that the silicone is a great gasket material to add to that, has worked perfectly well. To sum up, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • Begins to squeeze out around the flange.
  • This is a high temp area, so I am not sure if anything else will work.
  • Assemble parts immediately while the silicone is still wet.
  • Package dimensions: 8 l x 1.5 h x 3.75 w (inches).