Bostik Chem-Calk Syl-a-Pocket Datasheet Bostik Chem-Calk Syl-a-Pocket

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  • Description for Bostik Chem-Calk Syl-a-Pocket

    One-component, pourable, pitch pocket filler; high weathering characteristics; non-gassing; exhibits a homogenous filler profile.

    *See Terms of Use Below

    Application Type Seal
    1 Part or 2 Part 1-Part
    Material Form Paste
    Manufacturer Bostik
    Chemistry Non-gassing, Solvent-Free
    Cure Method Reactive Moisture
    Cure Temperature (°C) 25
    Cure Time (min) 1,440, >20,160
    Color White
  • Technical Data for Bostik Chem-Calk Syl-a-Pocket

    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Paste
    • Industry
    • Chemistry
    • Application Method
      • Dispenser - Gun, Pump
    • Cure Method
      • Moisture / Condensation Cure - Reactive Moisture
    • Color
      • White
    Cure Specs
    Cure Temperature (°C) 25 Test Method
    Cure Time (min) 1,440, >20,160 Test Method
    Tack Free Time (min) 60
    Bond Strength
    Tensile Strength (psi) 150 Test Method
    Material Resistance
    UV Resistance Very Good
    Moisture/Humidity Resistance Moisture/humidity resistance
    Shore A Hardness 29 Test Method
    Elongation (%) 400 Test Method
    Flexibility Elastomeric
    Modulus (psi) 70 Test Method
    Business Information
    Shelf Life Details When stored in its original, tightly sealed container, Bostik® Chem-Calk® Syl-a-Pocket has a shelf life of twelve (12) months from date of manufacture.
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 12
  • Best Practices for Bostik Chem-Calk Syl-a-Pocket

    *See Terms of Use Below

    1. Application

      Prepare pitch pocket—remove foreign material including water, frost, etc. Cut nozzle to desired size, puncture seal inside the nozzle. Gun/pump Chem-Calk® Syl-a-Pocket filler into the pitch pocket to desired level. It may be desirable to protect during the skinning and curing of the pitch pocket filler.

    2. Clean-Up

      Cleanup should begin immediately before Chem-Calk® Syl-a-Pocket has begun to cure. The use of Bostik® Hand & Tool Towels will aid in removal of uncured and partially cured material. Cured Chem-Calk® Syl-a-Pocket filler can be difficult to remove without altering or damaging the surface to which it has been misapplied.

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    *See Terms of Use Below

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
25°C After 14 days cure at 77°F & 50% RH
Cure Time Test Methods
Cure Time Test Method
1,440 min 1/4-in. per 24 hrs.
>20,160 min After 14 days cure at 77°F & 50% RH
Tensile Strength Test Methods
Tensile Strength Cure Time Cure Temperature Cure Humidity
150 psi 20,160 min 25°C 50 %
Elongation Test Methods
Elongation Test Method
400 % After 14 days cure at 77°F & 50% RH, at break
Modulus Test Methods
Modulus Test Method
70 psi After 14 days cure at 77°F & 50% RH, Modulus at 100%
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method Hardness Temperature
29 After 14 days cure at 77°F & 50% RH 25°C