Dow Silastic TR-55 Datasheet Dow Silastic TR-55

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  • Description for Dow Silastic TR-55

    High mechanical properties; very high tear strength; high modulus; wide service temperature range.

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    Brand Silastic
    Application Type Mold-Making
    1 Part or 2 Part 1-Part
    Material Form Rubber-Crepe
    Manufacturer Dow
    Chemistry Silicone
    Cure Method Heat, Pressure Sensitive
    Cure Temperature (°C) 171
    Cure Time (min) 10
    Color Nearly transparent
    Key Specifications FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency): FDA 21 CFR 177.2600

  • Technical Data for Dow Silastic TR-55

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    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Other - Rubber-Crepe
    • Industry
      • Industrial - Calendering, Extrusion, Sheeting, Tubing and profiles
    • Chemistry
    • Cure Method
      • Pressure Sensitive (min) - Pressure Sensitive
      • Heat
    • Color
      • Clear / Transparent - Nearly transparent
    • Key Specifications
      • FDA (U.S. Food & Drug Administration) and/or CFIA (Canadian Food Inspection Agency) : 177.2600 - FDA 21 CFR 177.2600
    • Brand
      • Silastic
    Specifications
    Cure Specs
    Cure Temperature (°C) 171 Test Method
    Cure Time (min) 10 Test Method
    Bond Strength
    General Bond Strength (psi) High
    Tear Strength (piw) Very High, 51 (kN/m) Test Method
    Tensile Strength (psi) 1,530, 1,240 Test Method
    Hardness
    Shore A Hardness 57, 62 Test Method
    Elongation (%) 785, 545 Test Method
    Modulus (psi) High, 300, 350 Test Method
    Other Properties
    Specific Gravity 1.150 Test Method
    Business Information
    Shelf Life Details When stored at or below 50°C (122°F) in the original unopened containers, this product has a usable life of 36 months from the date of production.
    Shelf Life Type from the date of production.
    Shelf Life (mon) 36

  • Best Practices for Dow Silastic TR-55

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  • Comparable Materials for Dow Silastic TR-55

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    Spec Engine® Results

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Cure Time Test Methods
Cure Time Test Method
10 min Press cure
Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
171°C Press cure
Tensile Strength Test Methods
Tensile Strength Cure Time Cure Temperature Test Method
1,530 psi ASTM D412
1,240 psi 4,200 min 200°C ASTM D412, Heat aged, 70 hours at 200°C (392°F)
Tear Strength Test Methods
Tear Strength Test Method
Very High
51 (kN/m) ASTM D624
Elongation Test Methods
Elongation Test Method
785 % ASTM D412
545 % ASTM D412, Heat aged, 70 hours at 200°C (392°F)
Modulus Test Methods
Modulus Test Method
High Modulus Test Method
300 psi ASTM D412, at 100% elongation
350 psi ASTM D412, at 100% elongation, Heat aged, 70 hours at 200°C (392°F)
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method Hardness Temperature
57 Hardness/Durometer Test Method 200°C
62 ASTM D2240
Specific Gravity Test Methods
Specific Gravity Test Method
1.150 ASTM D792