Loctite SI 5331 Thread Sealant Low Strength 100ml

Loctite SI 5331 Thread Sealant Low Strength 100ml

Loctite SI 5331 low-strength sealant locks & seals metal/plastic threads for hot/cold water. WRC, NSF, DVGW approved; resists vibration & leaks.

$63.49 Inc. GST

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SKU: LOCTITE-SI-5331-100 Category: Brand:

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Datasheet

Reliable, low-strength sealing for threaded plastic and plastic/metal water fittings.

LOCTITE® SI 5331 is a general-purpose, low-strength liquid thread sealant designed to lock and seal plastic and metal fittings carrying hot or cold water—ideal for industrial, agricultural, and drainage systems. It helps prevent leaks and protects connections against vibration-induced loosening.

Key Features & Benefits

  • Seals metal and plastic threads in hot or cold water systems.
  • Locks connections to resist vibration-induced loosening.
  • Low strength for easy disassembly and serviceability.
  • Suitable across plumbing, agriculture, and industrial water applications.

Approvals & Certifications

  • WRC listed, meets BS 6920 for potable water: 0706521.
  • DVGW approval, tested in accordance with EN 751-1.
  • NSF P1 Registration: 123620.

Ideal Uses

Threaded plastic or plastic/metal fittings in water supply, irrigation, and drainage lines carrying hot or cold water.

Why Loctite?

Loctite thread lockers and sealants are trusted across automotive, aerospace, plumbing, agriculture, and manufacturing for their resistance to chemicals, temperature variations, and corrosion—enhancing equipment reliability and uptime.

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Loctite thread lockers and thread sealants are essential products used in various industries for reliable and secure fastening applications. Thread lockers, such as Loctite Blue, Red, and Green, prevent threaded assemblies from loosening due to vibration or shock. They create a strong bond between fasteners, enhancing overall equipment reliability. These thread lockers are resistant to chemicals, temperature variations, and corrosion, making them suitable for a wide range of applications, including automotive, aerospace, plumbing, agriculture and manufacturing.

LOCTITE SI 5331 THREAD SEALANT – LOW STRENGTH 100mL

Thread Sealant – low strength. Ideal for use on threaded plastic or plastic/metal fittings carrying hot or cold water.

LOCTITE® SI 5331 is designed for the locking and sealing of plastic and metal fittings carrying hot or cold water, e.g. industrial and agricultural plastic water pipe systems or drainage systems. It carries certain approvals and certifications: WRC listed, meets BS 6920 for potable water: 0706521 DVGW approval, tested in accordance with EN 751-1; P1 NSF Reg. No.: 123620.

  • General purpose liquid thread sealant for sealing metal and plastic threads in fittings carrying hot or cold water
  • WRC listed, meets BS 6920 for potable water: 0706521
  • Locks connection against vibration-induced loosening
  • P1 NSF Reg. No.: 123620
  • DVGW approval, tested in accordance with EN 751-1
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