Bostik Chem-Calk Fast Set

Bostik Chem-Calk Fast Set Datasheet
  • Description for Bostik Chem-Calk Fast Set

    Architectural grade fast curing urethane sealant; high tear; abrasion resistant; withstands movement with less dirt pick-up.

    *See Terms of Use Below

    Application Type Seal, Gap Filler: Sapcers shims
    1 Part or 2 Part 1 Part
    Material Form Paste
    Substrate Ceramics, Non-porous, Porous, Plastics, Steel, Masonary, Wood, Concrete panel
    Industry Doors, Windows
    Manufacturer Bostik
    Chemistry Polyurethane
    Cure Method Atmospheric Moisture
    Cure Temperature (°C) 25, 25
    Cure Time (min) Fast, 2,160 to 4,320, 20,160
    Color Black, Gray, White, Stone
    Ozone Resistance Excellent Ozone resistance
    High Temperature Resistance (°C) 66
    Low Temperature Resistance (°C) -29
    Durability Tough
    Key Specifications ASTM (American Standard Test Method): C920: ASTM C920 Elastomeric Joint Sealants as Type S.Grade NS. Class 25. Use NT. A and M, CAN/CGSB (Canadian General Standards Board): CAN/CGBS 19.24, TT (U.S. Federal Specification): TT-S00230C
  • Technical Data for Bostik Chem-Calk Fast Set

    Overview
    • Application Type
      • Gap Filler: Shimming - Sapcers shims
      • Sealant - Seal
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Paste
    • Substrate
      • Ceramic - Ceramics
      • Non-Porous Substrates - Non-porous
      • Porous Substrates - Porous
      • Concrete - Concrete panel
      • Steel
      • Plastic - Plastics
      • Wood
      • Stone - Masonary
      • Other - Marble
    • Industry
      • Industrial - Joint fillers, Perimeter joints, Sealing expansion joints
      • Construction - Building components, Walls
      • Construction Door - Doors
      • Construction Window - Windows
    • Chemistry
    • Application Method
      • Dispenser - Gun
      • Contact - Positive pressure adequate
    • Cure Method
      • Moisture / Condensation Cure - Atmospheric Moisture
    • Color
      • Black
      • Gray - Stone
      • White
    • Key Specifications
      • ASTM (American Standard Test Method): C920: Class 25 - ASTM C920 Elastomeric Joint Sealants as Type S.Grade NS. Class 25. Use NT. A and M
      • CAN/CGSB (Canadian General Standards Board): 19.24 - CAN/CGBS 19.24
      • TT (U.S. Federal Specification): S-00230C - TT-S00230C
    Specifications
    Cure Specs
    Cure Temperature (°C) 25, 25 Test Method
    Cure Time (min) Fast, 2,160 to 4,320, 20,160 Test Method
    Set Time (min) Fast
    Tack Free Time (min) 90 Test Method
    Work / Pot Time (min) 70 Test Method
    Thixotropic Thixotropic
    Bond Strength
    Peel Strength (piw) >25 Test Method
    Tensile Strength (psi) 240 Test Method
    Material Resistance
    Ozone Resistance Excellent Ozone resistance
    UV Resistance Good Test Method
    High Temperature Resistance (°C) 66
    Low Temperature Resistance (°C) -29
    Moisture/Humidity Resistance Moisture/humidity resistance
    Hardness
    Durability Tough
    Shore A Hardness 37 Test Method
    Elongation (%) 850 Test Method
    Flexibility Flexible
    Modulus (psi) 65 Test Method
    Business Information
    Shelf Life Details When stored at or below 80F (27C), Chem-Calk Fast Set polyurethane weatherproofing sealant has a shelf life of twelve months from date of manufacture.
    Shelf Life Temperature (°F) <81
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 12
  • Best Practices for Bostik Chem-Calk Fast Set

    *See Terms of Use Below

    1. Application

      Install backup material or joint filler, spacer shims and tapes as specified. Apply Chem-Calk Fast Set polyurethane sealant in a continuous operation using a positive pressure adequate to properly fill and seal the joint. Tool the sealant with adequate pressure to spread the sealant against the backup material and onto the joint surfaces. A tool with a concave profile is recommended to keep the sealant within the joint.

    2. Clean-Up

      Excess sealant should be dry-wiped from all surfaces while still uncured, following with a commercial solvent such as xylol, toluol, or methyl ethyl ketone. Should sealant accidentally begin to cure on adjacent porous surfaces, the excess sealant should be allowed to progress through the initial cure or setup. It should be removed promptly by abrasion or other mechanical means. Bostik recommends the use of Bostik Hand & Tool Towels for easy removal of uncured Chem-Calk Fast Set from surfaces, hands and tools. CURED SEALANT IS USUALLY VERY DIFFICULT TO REMOVE WITHOUT ALTERING OR DAMAGING THE SURFACE TO WHICH THE SEALANT 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 Uncured, Varies w/ relative humidity
25°C After 14 day cure at 77°F & 50% RH
Cure Time Test Methods
Cure Time Test Method
Fast
2,160 to 4,320 min Uncured, Varies w/ relative humidity
20,160 min After 14 day cure at 77°F & 50% RH
Tack Free Time Test Methods
Tack Free Time Test Method
90 min Uncured, ASTM C 679
Work / Pot Time Test Methods
Work / Pot Time Test Method
70 min Bostik Test Method
Tensile Strength Test Methods
Tensile Strength Cure Time Cure Temperature Cure Humidity Test Method
240 psi 20,160 min 25°C 50 % ASTM D 412, After 14 days cure at 77°F & 50% RH
Peel Strength Test Methods
Peel Strength Cure Time Cure Temperature Test Method
>25 piw 20,160 min 25°C ASTM C 794, After 14 days cure at 77°F & 50% RH
UV Resistance Test Methods
UV Resistance Test Method
Good ASTM C 793 75
Elongation Test Methods
Elongation Test Method
850 % ASTM D 412, at break, After 14 days cure at 77°F & 50% RH
Modulus Test Methods
Modulus Test Method
65 psi @ 100% Elongation ASTM D 412, After 14 days cure at 77°F & 50% RH
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method Hardness Temperature
37 ASTM D 2240, After 14 days cure at 77°F & 50% RH 25°C