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🔧 Seal it tight, seal it right — the pro’s secret weapon!
LA-CO 42019 Slic-Tite is a premium PTFE thread sealant paste designed for metal and plastic pipe threads. It withstands extreme temperatures from -50°F to 500°F, providing a durable, leak-proof seal for water, gas, steam, and more. Featuring a convenient brush-in-cap jar, it offers precise, mess-free application and washes off easily without drying or toxicity. Trusted by professionals for decades and USDA authorized for food-grade use, it’s the ultimate choice for reliable, long-lasting thread sealing.
| ASIN | B002KGIGDA |
| Best Sellers Rank | #153,866 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #763 in Hardware Sealers |
| Brand | LA-CO |
| Brand Name | LA-CO |
| Compatible Material | Plastic, Polyvinyl Chloride |
| Customer Reviews | 4.6 out of 5 stars 228 Reviews |
| Global Trade Identification Number | 00048615420196 |
| Item Form | Paste |
| Item form | Paste |
| Manufacturer | LA-CO Markal |
| Material | Polytetrafluoroethylene |
| Material Type | Polytetrafluoroethylene |
| Model | 42019 |
| Number of Items | 1 |
| Part Number | 42019 |
| Style | Brush in Cap Jar |
| Style Name | Brush in Cap Jar |
| Surface Recommendation | Window |
| UPC | 048615420196 |
| Unit Count | 1 Count |
| Water Resistance Level | Water Resistant |
| Water resistance level | Water Resistant |
G**E
If it has threads this it!!
I've been using laco for 50 years of my life in the plumbing and gas fitting trade. High end restaurants,it seals the threads and has lubricant abilities which allows the fitting to tighten even better. Best part is years later when undoing fittings they come right apart. If I could give it 10 stars I would. Retired 4 years ago and yep got a bottle in my tool bag. Very easy to use and any excess wipes right off...
J**F
Good stuff
This stuff works great for ceiling pipe threads. I like to put this on my threads and then a little bit of Teflon tape over top of it or vice versa. Definitely worth the money. Great seal, easy to use, and easily removed with a towel.
V**N
Store in a sealed zip bag !!!
Leaking tin !!!! Applicator brush set solid ..
P**I
SUCCESSFULLY STOPPED an oil leak where the "name brands" failed!
THIS STUFF IS THE BOMB! Stopped an engine oil pressure sensor leak that the "name brands" failed to seal!!!! No need for long cure times either; just apply to threads, torque it down, and your good to go!! THIS IS NOW MY GO-TO THREAD SEALER!!
T**R
Great stuff. I dislike tape.
Great stuff. Help end the use of Teflon tape!
Trustpilot
2 weeks ago
3 weeks ago