PERMABOND 922

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 922

Main features

  • Up to 250 deg C Service
  • Up to 0.4 mm Gap Filling
  • MIL-A-46050C Type V Class 3 Approval

Product Description

Permabond® 922 Cyanoacrylate is an allyl-based, moderate-viscosity adhesive designed to provide both rapid bonding and extreme high-temperature resistance. This single-part, solvent-free liquid cures in seconds at room temperature but incorporates a secondary heat-activated curing mechanism. Following a specific post-cure schedule at 150°C (302°F), the adhesive forms highly durable bonds capable of withstanding environmental temperatures up to 250°C (482°F).

Key features

  • Extreme temperature resistance: Secondary thermal curing enables the bonded assembly to continuously withstand temperatures up to 250°C (482°F).
  • Moderate viscosity: The 1,200-2,000 cP viscosity is formulated to bridge larger gaps up to 0.4 mm while maintaining fast fixture times.
  • Industry approved: Certified to MIL-A-46050C Type V Class 3 specifications for existing designs, ensuring reliable performance in demanding applications.

Applications / Suitable for

  • High-temperature environments requiring continuous resistance up to 250°C after post-cure
  • Bonding metals (steel, aluminum), plastics, and rubbers
  • Applications requiring moderate gap filling capabilities up to 0.4 mm
Product Family

PERMABOND 922

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Appearance
Appearance at room temperature.
Liquid
Chemistry Type
Allyl cyanoacrylate
Color
The color
Colourless
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.
1.1
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
1,200-2,000 mPa.s mPa.s
Mechanical Properties
Impact Strength
3-5 kJ/m² mm
Thermal Properties
Linear thermal expansion
90 x 10^-6 mm/mm/°C
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.
0.1 W/m.K
Electrical Properties
Maximum gap fill
0.4 mm

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 Allyl cyanoacrylate - -
Appearance Colorless - Liquid
Viscosity 1,200-2,000 cP at 25°C (mPa.s)
Specific Gravity 1.1 - -
Maximum Gap Fill 0.4 mm (0.017 in)
Flash Point 95 °C -
Volatile Organic Compound < 2 % 20 g/L (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
Fixture/Handling Time < 20 seconds Steel
Full Strength 24 hours -
Shear Strength 19-23 N/mm² Steel (ISO 4587) (2800-3300 psi)
Impact Strength 3-5 kJ/m² ASTM D-950 (1.4-2.4 ft-lb/in²)
Hardness 85 Shore D ISO 868
Coefficient of Thermal Expansion 90E-6 mm/mm/°C -
Coefficient of Thermal Conductivity 0.1 W/(m.K) -
Post-Cured Temperature Resistance 250 °C (482°F) after thermal activation

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