3M 2084

Harmonization Code : 3907.30.00.40 | Epoxy Mold Compounds containing by weight more than 70 % silicon dioxide

3M 2084

Main features

  • One-Part No-Mix Application
  • Five-Minute Tack-Free Time
  • Flexible Fluid-Resistant Seal

Product Description

3M Scotch-Seal Metal Sealant 2084 is a one-part, aluminum-colored, medium-viscosity sealant for bonding and sealing aluminum to glass, other metals, and wood. The acetone-based material applies without mixing and air dries to a tough, flexible film that resists water, oil, and fuel. Typical tack-free time is 5 minutes, with approximately 24 hours to dry and gap-filling capability to 1/16 in. The cured sealant retains internal integrity and can be painted after skinning; painting after cure is recommended for areas exposed to ultraviolet light. It supports general industrial sealing, metalworking, and aluminum-to-glass assembly where a flexible fluid-resistant seal is required.

Key features

  • One-part application: The medium-viscosity sealant dispenses without mixing and air dries after placement.
  • Five-minute tack-free time: The applied material reaches a typical tack-free condition in approximately 5 minutes.
  • Flexible fluid resistance: The dried film resists water, oil, and fuel while retaining sealing integrity.

Applications

Applications include general industrial sealing, metalworking, sealing metal joints and seams, and bonding or sealing aluminum to glass, other metals, and wood.

Product Family

3M 2084

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TDS, SDS & Technical Documents

Technical Specifications

Physical Properties
Dry Time
1,440 minutes
Tack-Free Time
5 minutes
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 — 2500 / 7,000-22,500 mPa.s
General Properties
Color
The color
Aluminum
Solids
40 — 47 %
Thermal Properties
Flash Point
The flashpoint of a solvent is the lowest possible temperature at which it can vaporize to form an ignitable vapor. Flashpoint is often confused with “autoignition temperature”, which is the temperature at which a solvent ignites without an ignition source.
-18 °C

Additional Information

Technical properties

As-supplied / before-processing properties

PropertyValueUnitMethod / condition
ColorAluminum-Typical
Viscosity7,000 to 22,500cPApproximate; Brookfield RVF #6 at 20 rpm and 26.7 deg C
Solids content by weight40 to 47%Approximate
Weight per gallon7.7 to 8.1lb/galApproximate
Flash point0 (-18)deg F (deg C)Closed cup
Coverage1,500lineal ft/gal1/8 in diameter wet bead
Technical properties

Final-state / after-processing properties

PropertyValueUnitMethod / condition
Tack-free time5minApproximate
Dry time24hApproximate
Gap-filling capability1/16inTypical
180 deg peel adhesion25lb/in widthCanvas to aluminum; 2 in/min pull rate

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