Tough-Seal 22 A

1 of 8 products in this brand
Tough-Seal 22 A is a tough and durable two component, hybrid epoxy elastomer that features a longer gel time than Tough-Seal 21. Tough-Seal is a superior electrical potting compound with excellent thermal cycling performance.

Chemical Family: Epoxy & Epoxy Derivatives

Product Type: 2K (2 component) Sealant, Encapsulant, Epoxy Sealant, Potting Compound, Structural Sealant

Application Area: Electrical Components

Compatible Substrates & Surfaces: Aluminum, Metal, Plastics

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Identification & Functionality

Features & Benefits

Labeling Claims

Applications & Uses

Application Area
Compatible Substrates & Surfaces
Applications & Advantages
  • Excellent Thermal Cycling Performance & Thermal Shock Resistance
  • Resilient, Tough, Durable, High Elongation
  • Low Embedment Stress on Electronics, Low Shrinkage
  • Adhesion to Thermoplastics and Wire Insulation, Specific Adhesion to Aluminum
Instruction for Use

MIX RATIO By WEIGHT VOLUME Tough-Seal 22 Part A 53 A 1 A Tough-Seal 22 Part B 100 B 2 B Combine Part A and B and mix thoroughly, being careful to limit entrapped air during mixing. Scrape sides, walls and bottom of container. Pour material into part and cure. Bulk meter-mix dispensing machines and convenient cartridges provide air free mixing.

Properties

Color
Physical Properties
ValueUnitsTest Method / Conditions
Viscosity at 25°C7000cP
Brookfield RVT at 20rpm5
Specific Gravity1.32
Density (lbs/gal)11
Elongation at Break 25°C (77°F)225%D638
Gel Time (100g) at 25°C (77°F)10minutes
Hard Cure at 25°C (77°F)Overnight
Full Cure3 to 5 Days, Dependent on part size
Accelerated Cure at Mild Heating 66 to 80°C (150-175°F)Yes
Hardness, 25°C (77°F)64Shore AD2240
Mechanical Properties
ValueUnitsTest Method / Conditions
Hardness vs Temperature -25°C (-13°F)75Shore AD2240
Hardness vs Temperature -75°C (-103°F)88Shore AD2240
Hardness vs Temperature 100°C (212°F)57Shore AD2240
Hardness vs Temperature 120°C (248°F)51Shore AD2240
Hardness vs Temperature 150°C (302°F)47Shore AD2240
Hardness vs Temperature 25°C (77°F)64Shore AD2240
Hardness vs Temperature 5°C (41°F)69Shore AD2240
Hardness vs Temperature 50°C (122°F)62Shore AD2240
Hardness vs Temperature 66°C (150°F)61Shore AD2240
Hardness vs Temperature 80°C (176°F)62Shore AD2240
Tensile Strength 25°C (77°F) 450psiD638
Elongation at Break 25°C (77°F)225%D638
Linear Shrinkage (Upon Cure) 25°C (77°F) max. 0.001in/inD2256
Hardness vs RT Cure 1 Hour at 25°C (77°F)15Shore AD2240
Hardness vs RT Cure 2 Hours at 25°C (77°F)26Shore AD2240
Hardness vs RT Cure 4 Hours at 25°C (77°F)31Shore AD2240
Hardness vs RT Cure 8 Hours at 25°C (77°F)35Shore AD2240
Hardness vs RT Cure 12 Hours at 25°C (77°F)35Shore AD2240
Hardness vs RT Cure 1 Day at 25°C (77°F)39Shore AD2240
Hardness vs RT Cure 2 Days at 25°C (77°F)46Shore AD2240
Hardness vs RT Cure 3 Days at 25°C (77°F)52Shore AD2240
Hardness vs RT Cure 4 Days at 25°C (77°F)57Shore AD2240
Hardness vs RT Cure 1 Week at 25°C (77°F)60Shore AD2240
Hardness vs RT Cure 1 Month at 25°C (77°F)68Shore AD2240
Thermal Properties
ValueUnitsTest Method / Conditions
Heat Capacity,Cp 25°C (77°F) 1.37J/g°KD150
Thermal Conductivity 25°C (77°F) 0.26W/m°KD150
Coefficient of Thermal Expansion -65°C to 75°C135ppm/°CE831
Coefficient of Thermal Expansion 75°C to 100°C0ppm/°CE831
Coefficient of Thermal Expansion 100°C to 150°C75ppm/°CE1545
Electrical Properties
ValueUnitsTest Method / Conditions
Dielectric Strength at 25°C (77°F)350Volts/milD149
Volume Resistivity at 25°C (77°F)3.75 x 10 12 Ω-cmD257
Dielectric Constant at 25°C (77°F) 1 kHz5.5D257
Dielectric Constant at 25°C (77°F) 1 kHz5D149
Dielectric Constant at 25°C (77°F) 60 Hz5.75D150
Dissipation Factor at 25°C (77°F) 1 MHz0.026D150
Dissipation Factor at 25°C (77°F) 1 kHz0.028D150
Dissipation Factor at 25°C (77°F) 60 Hz0.064D150

Safety & Health

Safety & Handling

Avoid all contact with skin, eyes, clothing and food. Wash thoroughly after handling. Avoid all contact with skin, eyes, clothing and food. Wash thoroughly after handling.

Storage & Handling

Shelf Life & Storage Info

 Tough-Seal 22A (PC2022A) 12 Months from Date of Manufacture (-18°C to 35°C)

Tough-Seal 22B (PC2022B) 12 Months from Date of Manufacture (-18°C to 35°C)

Tough-Seal 22AB Cartridges 12 Months from Date of Shipment (-18°C to 35°C)