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Henkel Adhesive Technologies

Henkel Adhesive Technologies

Thread sealants


White, high-viscosity paste thread sealant for plastic pipes, fittings & flanges

Known as LOCTITE® NO MORE LEAKS, this product is designed for the sealing of threaded plastic pipes, pipe fittings and flanges. Great for outdoor applications with its wide operating temperature range and ease of use.

All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.

Part no. (SKU/IDH)

LOCTITE® MR 5438, 16 oz Can



LOCTITE® MR 5438 is a general purpose, plastic-thread-sealant liquid. It’s ideal for sealing pipes, pipe fittings and flanges on irrigation equipment, pumps, wells, and swimming pools. For use with both tapered and straight plastic threads, including ABS, PVC, CPVC and polypropylene.



Operating temperature:

-65.0 °F - 300.0 °F (-55.0 °C - 150.0 °C)

Recommended for use with:

Acrylonitrile butadiene styrene (ABS),Polypropylene


100000.0 mPa·s (cP)

Associated industries and market segments

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