PERMABOND 947

Harmonization Code : 3910.00.00.90 | Silicones in Primary Forms; Others

PERMABOND 947

Main features

  • Low-Odor Gap-Filling Bonding
  • 900 to 1,500 mPa s Viscosity
  • Up to 0.25 mm Gap Fill

Product Description

PERMABOND 947 is a single-component alkoxyethyl cyanoacrylate adhesive combining low odor and reduced blooming with a higher-viscosity profile for larger close-fitting gaps. The colorless adhesive has a typical viscosity of 900 to 1,500 mPa s at 25 deg C and a maximum gap fill of 0.25 mm. Typical handling time on steel is 20 to 30 seconds, while aluminum, ABS, PVC and phenolic resin are typically 10 to 15 seconds. Cured steel lap-shear strength is typically 16 to 20 N/mm^2 under ISO 4587. Applications include plastics, metals and elastomers where low odor, reduced fogging and greater gap fill are useful.

Key features

  • Low-Odor, Low-Bloom Bonding: Alkoxyethyl cyanoacrylate chemistry reduces odor and blooming for cleaner-looking visible assemblies.
  • Higher-Viscosity Gap Fill: Typical viscosity is 900 to 1,500 mPa s at 25 deg C with a maximum gap fill of 0.25 mm.
  • Fast Fixture Development: Typical handling time is 20 to 30 seconds on steel and 10 to 15 seconds on aluminum, ABS, PVC and phenolic resin.

Applications

Bonding plastics, metals and elastomers where low odor, reduced blooming and higher viscosity are required.

Product Family

PERMABOND 947

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Appearance
Appearance at room temperature.
Colourless
Chemistry Type
Alkoxyethyl cyanoacrylate
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
900 -1,500 mPa.s
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.
25 kV/mm

Additional Information

Technical properties

As-supplied / before-processing properties

Typical values; not for use in preparing specifications.

PropertyValueUnitMethod / condition
Chemical compositionAlkoxyethyl cyanoacrylate-Uncured adhesive
AppearanceColorless-Uncured adhesive
Viscosity900 to 1,500mPa sTypical at 25 deg C
Specific gravity1.1-Typical, uncured adhesive
Technical properties

Cured adhesive properties

Typical values; not for use in preparing specifications.

PropertyValueUnitMethod / condition
Shear strength - steel16 to 20N/mm^2Typical, ISO 4587
Shear strength - aluminum8 to 9N/mm^2Typical, ISO 4587
Impact strength3 to 5kJ/m^2Typical, ASTM D-950
Dielectric strength25kV/mmTypical, DIN 53481
Hardness85Shore DTypical, ISO 868
Thermal conductivity0.1W/(m K)Typical, cured adhesive

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