Dow HV 1520/40 Datasheet Dow HV 1520/40

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  • Description for Dow HV 1520/40

    Injection moldable; high tear strength; high elongation; low volume resistivity; fast cure.

    *See Terms of Use Below

    Application Type Bond, Pot, Encapsulate
    1 Part or 2 Part 1-Part, 2-Part
    Material Form Liquid
    Manufacturer Dow
    Chemistry Silicone rubber
    Cure Method Heat
    Cure Temperature (°C) Elevated temperature, 120, 200, 200
    Cure Time (min) Fast, Rapidly, 10, 240, 0.13 to 0.23
    Viscosity (cPs) 400 (Pa.s)
    Volume Resistivity (O) Low, 17 (ohms/cm)

  • Technical Data for Dow HV 1520/40

    *See Terms of Use Below

    Overview
    Specifications
    Cure Specs
    Cure Temperature (°C) Elevated temperature, 120, 200, 200 Test Method
    Cure Time (min) Fast, Rapidly, 10, 240, 0.13 to 0.23 Test Method
    Viscosity (cPs) 400 (Pa.s) Test Method
    Work / Pot Time (min) 4,320 Test Method
    Mix Ratio 1:1 (by volume)
    Bond Strength
    Tear Strength (piw) High, 30 (kN/m) Test Method
    Tensile Strength (psi) 6.0 (Mpa) Test Method
    Conductivity
    Volume Resistivity (O) Low, 17 (ohms/cm) Test Method
    Hardness
    Shore A Hardness 40 Test Method
    Elongation (%) High, 400 Test Method
    Other Properties
    Specific Gravity 1.070 Test Method
    % Solids (%) 100
    Business Information
    Shelf Life Details When stored at or below 32°C (90°F) in the original unopened containers, this product has a usable life of 6 months from the date of production., The curing agent and base can be sensitive to moisture or contaminants, it is recommended that containers are sealed tightly after use.
    Shelf Life Type from the date of production
    Shelf Life (mon) 6

  • Best Practices for Dow HV 1520/40

    *See Terms of Use Below

    1. Mixing

      Mix parts A and B in a 1:1 ratio. Meter mix equipment which pumps, meters and mixes the two components without the incorporation of air is strongly recommended for production.

    2. Deairing/Degassing

      If air bubbles are entrapped during mixing the mixture must be thoroughly de-gassed under vacuum.

    3. Curing

      DOW CORNING HV 1520/40 cures rapidly at elevated temperatures. A 2mm cross-section requires 8-14 seconds at 200°C (392°F). The cure time depends on the thickness and the cure temperature used. Cure can be inhibited by contact with certain materials such as amines, sulphur and tin complexes.

    4. Clean-Up

      The uncured silicone can readily be removed by most hydrocarbon solvents. Polar solvents, such as ketones and alcohols, are not suitable.

  • Comparable Materials for Dow HV 1520/40

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    Spec Engine® Results

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
Elevated temperature
120°C Press cured
200°C Post cured
200°C
Cure Time Test Methods
Cure Time Test Method
Fast
Rapidly
10 min Press cured
240 min Post cured
0.13 to 0.23 min
Viscosity Test Methods
Viscosity Test Method
400 (Pa.s) Y=10.0sª¹, Viscosity measured on the Carrimed CSL Viscometer.
Work / Pot Time Test Methods
Work / Pot Time Temperature
4,320 min 25°C
Tensile Strength Test Methods
Tensile Strength Test Method
6.0 (Mpa) ASTM D412
Tear Strength Test Methods
Tear Strength Test Method
High
30 (kN/m) ASTM D624B
Volume Resistivity Test Methods
Volume Resistivity Test Method
Low Volume Resistivity Test Method
17 (ohms/cm) IEC 60093
Elongation Test Methods
Elongation Test Method
High Elongation Test Method
400 % ASTM D412
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method
40 ASTM D2204
Specific Gravity Test Methods
Specific Gravity Test Method
1.070 ASTM D792