PERMABOND HL126

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 HL126

Main features

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

Product Description

Permabond® HL126 is a water-thin, extremely low-viscosity anaerobic threadlocker designed specifically for wicking into pre-assembled parts via capillary action. By penetrating tight-fitting metallic threads after assembly, it effectively locks fasteners in place to prevent vibration-induced loosening. Furthermore, its penetrating characteristics make it an ideal sealant for weld porosities, as the uncured material easily flows into micro-pores to form a durable, 100% solid environmental seal upon curing.

Key features

  • Wicking grade viscosity: The ultra-low viscosity (10-30 cP) allows application post-assembly and enables deep penetration into micro-porosities and tight tolerances.
  • Military and ASTM approved: Formulated to meet the stringent lot requirements of MIL-S-22473E (Grade AA), MIL-S-46163A (Type III Grade R), and ASTM D5363.
  • Weld sealing capability: Excellent for sealing weld porosity; it wicks into the warm voids and cures rapidly without solvents to establish a new, pressure-resistant seal.

Applications / Suitable for

  • Post-assembly locking of set screws, bolts, and fasteners
  • Sealing weld porosity and casting micro-pores
  • Acting as a tamper-proof agent for assembled joints
Product Family

PERMABOND HL126

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Appearance
Appearance at room temperature.
Green
Chemistry Type
Methacrylate esters
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume. For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
1.0
Physical Properties
Viscosity
Viscosity is a measurement of a fluid’s resistance to flow. Viscosity is commonly measured in centiPoise (cP). One cP is defined as the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP. A product like honey would have a much higher viscosity -around 10,000 cPs- compared to water. As a result, honey would flow much slower out of a tipped glass than water would. The viscosity of a material can be decreased with an increase in temperature in order to better suit an application
10 -30 mPa.s
Other Properties
Maximum gap fill
0.05 mm
Maximum thread size
M10 ½
Electrical Properties
Dielectric Strength
Dielectric strength is measured in kV per mm and is calculated by the Breakdown voltage divided by the thickness of the tested material. Those two properties go hand in hand and while Breakdown voltage is always thickness dependent, dielectric strength is a general material property. As an example, the dielectric strength of Polyimide is 236 kV/mm. If we place 1mm of Polyimide between two electrodes, it will act as an insulator until the voltage between the electrodes reaches 236 kV. At this point it will start acting as a good conductor, causing sparks, potential punctures and current flow.
11 kV/mm
Thermal Properties
Thermal Conductivity
Thermal conductivity describes the ability of a material to conduct heat. It is required by power packages in order to dissipate heat and maintain stable electrical performance. Thermal conductivity units are [W/(m K)] in the SI system and [Btu/(hr ft °F)] in the Imperial system.
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 Green - Liquid
Viscosity 10-30 mPa.s (cP) at 25°C
Specific Gravity 1.0 - -
Maximum Gap Fill 0.05 mm (0.001 in)
Maximum Thread Size M10 - (3/8")
Flash Point > 100 °C (212°F)
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 15 minutes M10 steel at 23°C
Full Strength Time 24 hours M10 steel at 23°C
Breakaway Torque Strength 14 N-m M10 steel (ISO 10964) (125 in.lb)
Prevailing Torque Strength 34 N-m M10 steel (ISO 10964) (300 in.lb)
Shear Strength 10-20 MPa Steel collar & pin (ISO 10123) (1450-2900 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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