LOCTITE® 567 High Temperature Thread Sealant

Features and Benefits

TDS Download
A 1-part, high-viscosity thread sealant for tapered, coarse metal threads. Its high lubricating properties make it well suited for the easy assembly of stainless steel fittings.
LOCTITE® 567 is a white, 1-part thread sealant designed for the locking and sealing of tapered metal pipe threads and fittings. As an anaerobic-curing thread sealant, it cures when confined in the absence of air between close fitting metal surfaces and prevents loosening and leakage from shock and vibration. Its high lubricating properties prevent galling on stainless steel, aluminum and all other metal pipe threads, and allows ease of assembly. The product offers high temperature performance and tolerates minor surface contaminations from various oils, such as cutting, lubrication, anti-corrosion and protection fluids. Meets the performance requirements of KIWA GASTEC QA AR 214 for admixtures up to and including 100% hydrogen gas – certifications are available in select countries.
  • 1-part: no mixing required
  • Doesn’t creep, shrink or block systems
  • Ideal for metal pipes and fittings
  • Provides an instant low pressure seal
  • NSF/ANSI 61 certified
  • UL MH8007 and ULC MH27131 classified
  • KIWA GASTEC QA AR 214 certified for hydrogen gas systems
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Documents and Downloads

Technical Data Sheet
LOCTITE® 567™
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Additional Documents

LOCTITE 567 and 577 Thread Sealants Offer Powerful Performance LT 8209
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English

Technical Information

Agency approvals / certificates / specifications UL
Applications Pipe sealing, Thread sealing
Breakaway torque, Steel M10 12.0 N·m (110.0 in./lb. )
Color Off white
Cure type Anaerobic cure
Key characteristics Immediate low pressure sealing, Oil tolerant, Strength: low Strength, Temperature: high temperature, Thixotropic
Operating temperature -55.0 - 200.0 °C (-65.0 - 400.0 °F )
Physical form Paste
Recommended for use with Metal, Metal: aluminum, Metal: steel - galvanized steel, Metal: steel - stainless steel, Thread type: coarse, Thread type: tapered
Viscosity, 20 RPM 540000.0 mPa·s

How to

Step by Step Guide

1. Preparation

It is recommended to use LOCTITE® SF 7063 or LOCTITE® SF 7070 Cleaner & Degreaser to degrease and clean surfaces prior to applying adhesive. If cure speed is too slow due to passive metals (stainless steel, aluminum and plated metals) or low temperatures (below 5°C), use LOCTITE® SF 7649 activator. Allow to dry.

2. Preparation - Activation

If cure speed is too slow due to passive metals (stainless steel, aluminum and plated metals) or low temperatures (below 5°C), use LOCTITE® SF 7649 activator. Allow to dry.

3. Application

Apply a 360° bead to the leading male thread, leaving the first thread free. For bigger threads, apply both on male and female threads. For manual dispensing the use of a peristaltic handgun is recommended to ensure a consistent application volume.

4. Assembly

Assemble fittings using wrench tightening in accordance with manufacturers' recommendations.

Disassembly

Disassemble with standard hand tools. If not possible, apply localized heat to approximately 260°C/500°F and disassemble while hot.

Frequently Asked Questions

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