PERMABOND HM118

Harmonization Code : 3506.10.00.00 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg

PERMABOND HM118

Main features

  • Water-Thin Wicking Threadlocker
  • Warm-Weld/Casting Porosity Sealing
  • MIL-S-22473E/MIL-S-46163A/ASTM D5363 Compliance

Product Description

Permabond® HM118 is an excellent general-purpose anaerobic threadlocker designed for the permanent assembly of bolts, nuts, and screws. Formulated as a non-drip, thixotropic red liquid, it prevents vibration loosening and provides high off-torque strength once fully cured at room temperature. It cures reliably and rapidly on a wide variety of metal surfaces, including steel, cadmium, zinc, and other plated fasteners, making it highly effective for machinery and equipment manufacturing.

Key features

  • Military and ASTM approved: Tested to meet the stringent requirements of MIL-S-46163A and ASTM D5363 (sections 5.1.1, 5.1.2, and 5.2).
  • High structural strength: Delivers a high breakaway torque (23 N-m) for permanent assemblies, effectively preventing loosening caused by vibration.
  • Application versatility: The thixotropic nature ensures the adhesive remains in place on threads, while simultaneously lubricating those threads to facilitate easier assembly.

Applications / Suitable for

  • Permanent assembly of bolts, nuts, and screws (up to M20 / 3/4")
  • Locking fasteners on steel, cadmium, zinc, and other plated surfaces
  • Machinery and equipment manufacturing environments
Product Family

PERMABOND HM118

Catalog Product

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
AppearanceAppearance
Red
Chemistry TypeChemistry Type
Methacrylate esters
Specific GravitySpecific Gravity
1.1
Physical Properties
ViscosityViscosity
1,800 mPa.s
Other Properties
Maximum gap fillMaximum gap fill
0.2 mm
Maximum thread sizeMaximum thread size
M20 ¾
Electrical Properties
Dielectric StrengthDielectric Strength
11 kV/mm
Thermal Properties
Thermal ConductivityThermal Conductivity
0.19 W/m.K

Additional Information

Technical properties

As-supplied / before-processing properties

Typical properties; these values are not intended for use in preparing specifications.

Property Value Unit Method / condition
Chemical Composition Methacrylate esters - -
Appearance Red - Liquid
Viscosity 1,800 mPa.s (cP) at 25°C, 20 rpm (Thixotropic)
Specific Gravity 1.1 - at 23.9°C (75°F)
Maximum Gap Fill 0.2 mm (0.008 in)
Maximum Thread Size M20 - (3/4")
UV Fluorescence Yes - -
Flash Point > 93 °C (199.94°F)
Volatile Organic Compound < 2 % 20 grams/liter (Estimated)
Technical properties

After-processing / final-state properties

Typical properties; these values are not intended for use in preparing specifications.

Property Value Unit Method / condition
Handling Strength Time 10 minutes M10 steel at 23°C
Full Strength Time 24 hours M10 steel at 23°C
Breakaway Torque Strength 23 N-m M10 steel (ISO 10964) (200 in.lb)
Prevailing Torque Strength 32 N-m M10 steel (ISO 10964) (280 in.lb)
Shear Strength 17 MPa Steel collar & pin (ISO 10123) (2500 psi)
Coefficient of Thermal Expansion 90E-6 mm/m/°C -
Dielectric Strength 11 kV/mm -
Thermal Conductivity 0.19 W/(m.K) -

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