PERMABOND MH196

Harmonization Code : 3506.91.90.99 | 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 ; Adhesives based on polymers of headings 3901 to 3913 or on rubber; Other ; Other

PERMABOND MH196

Main features

  • Formed-In-Place Replacement for Conventional Gaskets
  • Non-Shrinking Gasket Without Bolt Re-Tightening
  • High-Temperature Flange Sealing up to 200 deg C

Product Description

Permabond MH196 is an anaerobic formed-in-place gasket maker for metal flanges where conventional gasket replacement and elevated-temperature sealing are required. It forms between mating metal surfaces, fills gaps up to 0.5 mm, and reaches typical handling strength on M10 steel in 15 minutes at 23 deg C. After cure, the gasket does not shrink, creep or relax, so bolt re-tightening is not required. MH196 also has documented high-temperature resistance up to 200 deg C. The product fits metal flange assemblies that need a formed-in-place replacement for conventional gaskets with non-shrinking cure behavior and elevated-temperature capability.

Key features

  • Conventional gasket replacement: Forms in place between metal flange surfaces and can replace a wide range of conventional formed gaskets.
  • No creep or shrinkage after cure: The cured gasket does not shrink, creep or relax, so bolt re-tightening is not required.
  • High-temperature resistance up to 200 deg C: Documented high-temperature resistance extends up to 200 deg C.

Applications

Formed-in-place gasketing of metal flanges; replacement of conventional cut gaskets; elevated-temperature flange sealing.

Product Family

PERMABOND MH196

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Appearance
Appearance at room temperature.
Red
Chemistry Type
Acrylic
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
500,000 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.
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

PropertyValueUnitMethod / condition
Chemical compositionAcrylic-Uncured material
Viscosity500,000 at 2 rpm; 100,000 at 20 rpmcPUncured material; 25 deg C
Specific gravity1.1-Uncured material
Storage temperature5 to 25deg CManufacturer storage guidance
Technical properties

After-processing / final-state properties

PropertyValueUnitMethod / condition
Break torque20N mTypical cured material; M10 steel; ISO 10964
Prevailing torque23N mTypical cured material; M10 steel; ISO 10964
Shear strength10MPaTypical cured material; steel collar and pin; ISO 10123
High-temperature resistanceUp to 200deg CCured material; exposure duration not stated

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