--- title: "thread sealant — Niche Verdict: Skip it (42/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/automotive/thread-sealant" last_updated: "2026-07-10T00:46:39.867Z" locale: en meta: description: "a small market ($362K/yr) — thread sealant doesn't clear our bar today." "og:description": "a small market ($362K/yr) — thread sealant doesn't clear our bar today." "og:title": "thread sealant — Niche Verdict: Skip it (42/100) | Amazon United States - Flapen" --- Back to Flapen home # **thread sealant** **Skip it****42/100 ** a small market ($362K/yr) — thread sealant doesn't clear our bar today. **Market/yr** **$362K** **Growth (1y)** **+144.7%** **Products** **17** **Brands** **7** was 7 a year ago **Sellers** **153** **Price range** **$4.63–$42.57** **Returns** **0.7%** **Rating** **4.7★** **Skip it** Scored 42/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **18** ×0.30 Growth **70** ×0.30 Competition **20** ×0.20 Quality gap **22** ×0.10 Returns **94** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +144.7% year over year. 5K2KSpike '24Spike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 2.3× ## **Competition** - Permatex61% - Loctite19% - Rectorseal13% - Vibra-TITE3% - Hercules2% - La-Co2% - Other (1 brands)1% The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack. 7 brands and 153 sellers compete here. **Brands** **7 **—flat was 7 a year ago **Sellers** **153** **Top 5 brand share** **97%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Permatex 59214 High Temperature Thread Sealant 6 ml Tube](https://m.media-amazon.com/images/I/41TcAcBQj5L.jpg) [**Permatex 59214 High Temperature Thread Sealant 6 ml Tube**](https://www.amazon.com/dp/B0002UEOP0) Permatex$5.904.7★3,79822%▲rising 2 ![Permatex 59235 High Temperature Thread Sealant 50 ml Tube](https://m.media-amazon.com/images/I/41FCnEd5oAL.jpg) [**Permatex 59235 High Temperature Thread Sealant 50 ml Tube**](https://www.amazon.com/dp/B000AAJTYS) Permatex$13.534.7★3,79818%▲rising 3 ![Permatex 80632 Thread Sealant with PTFE 4 oz. Cream](https://m.media-amazon.com/images/I/31iOytWTF0L.jpg) [**Permatex 80632 Thread Sealant with PTFE 4 oz. Cream**](https://www.amazon.com/dp/B000HBNTGY) Permatex$11.494.8★2,19015%▼falling 4 ![Loctite 37482 545 Pneumatic/Hydraulic Thread Sealant Bottle - 36 ml](https://m.media-amazon.com/images/I/41bxD5ahB2S.jpg) [**Loctite 37482 545 Pneumatic/Hydraulic Thread Sealant Bottle - 36 ml**](https://www.amazon.com/dp/B003XZB54O) Loctite$25.384.8★1,03414%▼falling 5 ![RectorSeal Tru-Blu 31631 Pipe Thread Sealant Fast-Dry PTFE Enriched Plumbing Designed for high Vibration environments and Thermal Expansion/Contraction 1/4 Pint](https://m.media-amazon.com/images/I/41FAsiapidL.jpg) [**RectorSeal Tru-Blu 31631 Pipe Thread Sealant Fast-Dry PTFE Enriched Plumbing Designed for high Vibration environments and Thermal Expansion/Contraction 1/4 Pint**](https://www.amazon.com/dp/B0012YO0Z4) Rectorseal$9.714.7★2,0538%▲rising 6 ![LOCTITE 565 Automotive White Thread Sealant - General Purpose High Viscosity Rapid Cure Replaces Tapes & Pipe Dopes - 50 ml 1 Pack](https://m.media-amazon.com/images/I/410wZEPJMAL.jpg) [**LOCTITE 565 Automotive White Thread Sealant - General Purpose High Viscosity Rapid Cure Replaces Tapes & Pipe Dopes - 50 ml 1 Pack**](https://www.amazon.com/dp/B0002KKTGS) Loctite$15.494.7★4554%▼falling 7 ![Vibra-TITE - 44050 440 Hydraulic and Pneumatic Anaerobic Thread Sealant 50 ml Bottle Purple](https://m.media-amazon.com/images/I/41YA6pwewDL.jpg) [**Vibra-TITE - 44050 440 Hydraulic and Pneumatic Anaerobic Thread Sealant 50 ml Bottle Purple**](https://www.amazon.com/dp/B0026GOWUK) Vibra-TITE$20.874.5★2423%—flat 8 ![RectorSeal T Plus 2 23710 Pipe Thread Sealant Non-Hardening Synthetic Fibers Contains No Other Metals PTFE Enriched Plumbing 1 3/4 oz.](https://m.media-amazon.com/images/I/31Jc+zGn0ZL.jpg) [**RectorSeal T Plus 2 23710 Pipe Thread Sealant Non-Hardening Synthetic Fibers Contains No Other Metals PTFE Enriched Plumbing 1 3/4 oz.**](https://www.amazon.com/dp/B000BKXGXM) Rectorseal$5.194.6★1,3422%▼falling 9 ![Permatex 56521 High Performance Thread Sealant 50 ml White](https://m.media-amazon.com/images/I/414L+k4lOBL.jpg) [**Permatex 56521 High Performance Thread Sealant 50 ml White**](https://www.amazon.com/dp/B000FW7VHI) Permatex$15.024.7★6322%▲rising 10 ![Permatex 80633 Thread Sealant with PTFE 16 oz. red](https://m.media-amazon.com/images/I/31exOW9lHhL.jpg) [**Permatex 80633 Thread Sealant with PTFE 16 oz. red**](https://www.amazon.com/dp/B000HBM49W) Permatex$21.494.8★2,1902%▲rising 11 ![Hercules 15620 Real-Tuff Heavy Duty PTFE Pipe Thread Sealant White 8 oz.](https://m.media-amazon.com/images/I/41agCu+7BzL.jpg) [**Hercules 15620 Real-Tuff Heavy Duty PTFE Pipe Thread Sealant White 8 oz.**](https://www.amazon.com/dp/B000BPOOXI) Hercules$12.734.7★5772%—flat 12 ![LA-CO 42019 Slic-Tite Premium Thread Sealant Paste with PTFE -50 to 500 Degree F Temperature 1/2 pt Jar with Brush in Cap White](https://m.media-amazon.com/images/I/41YenV-D2yL.jpg) [**LA-CO 42019 Slic-Tite Premium Thread Sealant Paste with PTFE -50 to 500 Degree F Temperature 1/2 pt Jar with Brush in Cap White**](https://www.amazon.com/dp/B002KGIGDA) La-Co$22.884.6★3032%▼falling 13 ![RectorSeal T Plus 2 23631 Pipe Thread Sealant Non-Hardening PTFE Enriched Plumbing 1/4 Pint](https://m.media-amazon.com/images/I/41wdhNp5XXL.jpg) [**RectorSeal T Plus 2 23631 Pipe Thread Sealant Non-Hardening PTFE Enriched Plumbing 1/4 Pint**](https://www.amazon.com/dp/B0002YPAFY) Rectorseal$10.304.7★1,9962%▲rising 14 ![ITW Devcon 80632 Permatex Thread Sealant with PTFE 4 oz Can White](https://m.media-amazon.com/images/I/41nK3Jvc8RL.jpg) [**ITW Devcon 80632 Permatex Thread Sealant with PTFE 4 oz Can White**](https://www.amazon.com/dp/B006H3VNZ0) Permatex$13.884.7★962%▼falling 15 ![545 Thread Sealant Hydraulic Pneumatic Fittings 50 ml Bottle](https://m.media-amazon.com/images/I/4157UG0wp2L.jpg) [**545 Thread Sealant Hydraulic Pneumatic Fittings 50 ml Bottle**](https://www.amazon.com/dp/B072XVD39B) Loctite$42.574.6★101%—flat **~~Showing 15 of 17 — show all ~~** ## **Product shelf** All 17 tracked products in this niche. Top sellersNewestTrending [![Permatex 59214 High Temperature Thread Sealant 6 ml Tube](https://m.media-amazon.com/images/I/41TcAcBQj5L.jpg)**Permatex 59214 High Temperature Thread Sealant 6 ml Tube** Permatex**$5.90**4.7★3,798 reviews](https://www.amazon.com/dp/B0002UEOP0) [![Permatex 59235 High Temperature Thread Sealant 50 ml Tube](https://m.media-amazon.com/images/I/41FCnEd5oAL.jpg)**Permatex 59235 High Temperature Thread Sealant 50 ml Tube** Permatex**$13.53**4.7★3,798 reviews](https://www.amazon.com/dp/B000AAJTYS) [![Permatex 80632 Thread Sealant with PTFE 4 oz. Cream](https://m.media-amazon.com/images/I/31iOytWTF0L.jpg)**Permatex 80632 Thread Sealant with PTFE 4 oz. Cream** Permatex**$11.49**4.8★2,190 reviews](https://www.amazon.com/dp/B000HBNTGY) [![Loctite 37482 545 Pneumatic/Hydraulic Thread Sealant Bottle - 36 ml](https://m.media-amazon.com/images/I/41bxD5ahB2S.jpg)**Loctite 37482 545 Pneumatic/Hydraulic Thread Sealant Bottle - 36 ml** Loctite**$25.38**4.8★1,034 reviews](https://www.amazon.com/dp/B003XZB54O) [![RectorSeal Tru-Blu 31631 Pipe Thread Sealant Fast-Dry PTFE Enriched Plumbing Designed for high Vibration environments and Thermal Expansion/Contraction 1/4 Pint](https://m.media-amazon.com/images/I/41FAsiapidL.jpg)**RectorSeal Tru-Blu 31631 Pipe Thread Sealant Fast-Dry PTFE Enriched Plumbing Designed for high Vibration environments and Thermal Expansion/Contraction 1/4 Pint** Rectorseal**$9.71**4.7★2,053 reviews](https://www.amazon.com/dp/B0012YO0Z4) [![LOCTITE 565 Automotive White Thread Sealant - General Purpose High Viscosity Rapid Cure Replaces Tapes & Pipe Dopes - 50 ml 1 Pack](https://m.media-amazon.com/images/I/410wZEPJMAL.jpg)**LOCTITE 565 Automotive White Thread Sealant - General Purpose High Viscosity Rapid Cure Replaces Tapes & Pipe Dopes - 50 ml 1 Pack** Loctite**$15.49**4.7★455 reviews](https://www.amazon.com/dp/B0002KKTGS) [![Vibra-TITE - 44050 440 Hydraulic and Pneumatic Anaerobic Thread Sealant 50 ml Bottle Purple](https://m.media-amazon.com/images/I/41YA6pwewDL.jpg)**Vibra-TITE - 44050 440 Hydraulic and Pneumatic Anaerobic Thread Sealant 50 ml Bottle Purple** Vibra-TITE**$20.87**4.5★242 reviews](https://www.amazon.com/dp/B0026GOWUK) [![RectorSeal T Plus 2 23710 Pipe Thread Sealant Non-Hardening Synthetic Fibers Contains No Other Metals PTFE Enriched Plumbing 1 3/4 oz.](https://m.media-amazon.com/images/I/31Jc+zGn0ZL.jpg)**RectorSeal T Plus 2 23710 Pipe Thread Sealant Non-Hardening Synthetic Fibers Contains No Other Metals PTFE Enriched Plumbing 1 3/4 oz.** Rectorseal**$5.19**4.6★1,342 reviews](https://www.amazon.com/dp/B000BKXGXM) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Leak-Proof**25% *“Havent tested leakage yet”* **Value For Money**12% *“Worth the price”* **Efficiency**12% *“it applies smoothly without making a mess”* **Advertised Vs Actual Product**12% *“Works as advertised”* **Quality-Overall**10% *“Excellent Sealant for Automotive Use”* **Ease Of Use**8% *“Easy to use”* **Durability**3% *“everything is holding up great”* **Ease Of Cleaning**3% *“cleans up easy”* **Lubrication**2% *“A much better alternative to the plumbers/teflon tape in my opinion”* **Filtration**1% *“Good for my air fittings”* ### **What buyers complain about ** **Leak-Proof**28% *“Ive had leaks that wouldnt seal until this was used”* **Functionality-Overall**12% *“Do not work”* **Ease Of Cleaning**7% *“its hard to clean off your hands”* **Thickness**6% *“Comes out of a new tube very grainy”* **Value For Money**4% *“Not as good as hoped for the price”* **Compatibility-Overall**4% *“did not hold up on a fuel rail”* **Size-Overall**3% *“its small”* **Pressure**2% *“only rated to 100 psi”* **Assembly/Installation**2% *“This never set up”* **Instructions/User Manual/Troubleshooting**2% *“I wish they just stated this in the instructions”* #### **Top return reasons**- Leak-Proof20% - Value For Money16% - Advertised Vs Actual Product14% - Size-Overall12% - Functionality-Overall5% - Compatibility-Overall5% - Adhesion/Stickiness5% - Defective Material/Parts3% - Material Quality2% - Water Resistance2%