Dow Hi-Temp Silicone Sealant

Dow Hi-Temp Silicone Sealant Datasheet
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  • Description for Dow Hi-Temp Silicone Sealant

    Resists the effects of sunlight and weather extremes; high strength; fast cure; remains flexible.

    *See Terms of Use Below

    Application Type Bond, Seal
    1 Part or 2 Part 1 Part
    Material Form Paste
    Substrate Plywood
    Industry Flanged pipe joints, Windows in oven doors, Bag filters, Access doors, Plywood drying oven doors
    Manufacturer Dow
    Chemistry Silicone
    Cure Method Moisture
    Cure Time (min) Fast, 10,080
    Color Red
    Chemical Resistance Water
    High Temperature Resistance (°C) 176
    Low Temperature Resistance (°C) -40
    Other Resistance Sunlight
    Durability Tough
    Key Specifications ASTM (American Standard Test Method): C920: ASTM C920 Type S, Grade NS, Class 25, Use NT, G and A., TT (U.S. Federal Specification): S-00230C: Federal Specification TT-S-001543A, Type non-sag, Class A,; Federal Specificaiton TT-S-00230C, Type II, Class A, TT (U.S. Federal Specification): S-001543A: Federal Specification TT-S-001543A, Type non-sag, Class A,; Federal Specificaiton TT-S-00230C, Type II, Class A

  • Technical Data for Dow Hi-Temp Silicone Sealant

    *See Terms of Use Below

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Paste
    • Substrate
    • Industry
      • Industrial - Fired heaters, Flues on gas appliances, Heating elements in appliances, Smoke stacks
      • Flange - Flanged pipe joints
      • Filters - Bag filters
      • Appliances - Heating elements in appliances
      • Appliances Window - Windows in oven doors
      • Appliances Door - Plywood drying oven doors
      • Construction Door - Access doors
    • Chemistry
    • Cure Method
      • Moisture / Condensation Cure - Moisture
    • Color
      • Red
    • Key Specifications
      • ASTM (American Standard Test Method): C920: Class 25 - ASTM C920 Type S, Grade NS, Class 25, Use NT, G and A.
      • TT (U.S. Federal Specification): S-00230C: Class A - Federal Specification TT-S-001543A, Type non-sag, Class A,; Federal Specificaiton TT-S-00230C, Type II, Class A
      • TT (U.S. Federal Specification): S-001543A: Class A - Federal Specification TT-S-001543A, Type non-sag, Class A,; Federal Specificaiton TT-S-00230C, Type II, Class A
    Specifications
    Cure Specs
    Application Temperature (°F) -20 to 122
    Cure Time (min) Fast, 10,080
    Set Time (min) 1,440 Test Method
    Tack Free Time (min) 15 to 20 Test Method
    Bond Strength
    General Bond Strength (psi) High
    Tensile Strength (psi) 325 Test Method
    Material Resistance
    Chemical Resistance Water
    Environmental Resistance Environmental resistance
    High Temperature Resistance (°C) 176
    Low Temperature Resistance (°C) -40
    Other Resistance Sunlight
    Hardness
    Durability Tough
    Shore A Hardness 30 Test Method
    Elongation (%) 5 Test Method
    Flexibility Flexible
    Not Good For
    Don't Use For Structural glazing, Prolonged submersion in water or below-grade applications.

  • Best Practices for Dow Hi-Temp Silicone Sealant

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  • Comparable Materials for Dow Hi-Temp Silicone Sealant

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    Spec Engine® Results

    • Dow
      HVAC/R Silicone Sealant(Dow)

      Resistant to sunlight and weather extremes; high strength; fast cure; remains flexible; bonds to most common HVAC/R substrates.

    • Sika
      Flex-521 UV(Sika)

      A multi-purpose non-sag, elastic one-part sealant based on silane-terminated polymer technology, which cures on exposure to atmospheric moisture to form a durable elastomer. Resistant to UV radiation. Very low VOC/solvent free, silicone and PVC-free, Isocyanate-free. High electrical resistance.

    • Wacker
      Elastosil N 2137(Wacker)

      Wacker Elastosil N 2137 is a 1 Part Moisture Curing Silicone Rubber Stiff pasty used to Seal Primerless adhesion to most substrates, Primerless adhesion to most substrates and Glass

    • Compare All
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Set Time Test Methods
Set Time Set Temperature Test Method
1,440 min 25°C At 77°F 25°C and 50% relative humidity
Tack Free Time Test Methods
Tack Free Time Tack Free Temperature Test Method
15 to 20 min 25°C 77°F 25°C and 50% relative humidity
Tensile Strength Test Methods
Tensile Strength Cure Time
325 psi 10,080 min
Elongation Test Methods
Elongation Test Method
5 % After 7 days
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method
30 After 7 days