Bostik Chem-Calk Painter's Caulk Datasheet Bostik Chem-Calk Painter's Caulk

Information provided by Gluespec
  • Description for Bostik Chem-Calk Painter's Caulk

    One-component, siliconized, acrylic latex caulk; easy gunnability; non-sag; low odor; quick skinning; mold and mildew resistant with outstanding flexibility.

    *See Terms of Use Below

    Application Type Seal
    1 Part or 2 Part 1 Part
    Material Form Paste
    Substrate Porous substrates
    Industry Window frame, Door frame
    Manufacturer Bostik
    Chemistry Siliconized acrylic latex
    Cure Method Pressure Sensitive
    Cure Time (min) 1,440, >20,160
    Viscosity (cPs) Non-Sag
    Color Tan, Cream, White, Translucent
  • Best Practices for Bostik Chem-Calk Painter's Caulk

    *See Terms of Use Below

    1. Surface Preparation

      See limitations about surface preparation. Surfaces must be structurally clean, dry (no frost) and structurally sound, free of contaminants, including but not limited to dust, dirt, loose particles, tar, asphalt, rust, mill oil, etc. If substrate is painted or coated, scrape away all loose and weakly bonded paint or coating. Any paint or coating that cannot be removed must be tested to verify adhesion of the sealant or to determine the appropriate surface preparation if needed. (See ASP section on next page for details.) To remove laitance and any other loose material, clean concrete, stone or other masonry materials with nonalcoholic-based solvent by washing, grinding, sandblasting or wire brushing as necessary . Do not use water to clean substrates. Dust must be thoroughly removed after cleaning.

    2. Curing

      Bostik® Chem-Calk® Painters’ Caulk is a siliconized acrylic latex caulk formulated for the professional painter. Usually tack free in 15 minutes and paintable after one hour, its low odor and dirt resistance allows for use in many interior environments. Painters’ Caulk offers outstanding adhesion and flexibility when fully cured.

    3. Clean-Up

      After dry-wiping uncured sealant from substrates and tools, remaining uncured sealant can be removed by using soap and water or Xylene, Toluene or similar aromatic solvents. Please refer to the MSDSs provided for these solvents before use. Bostik® Hand and Tool towels can also remove uncured sealant. Cured sealant is usually very difficult to remove without altering or damaging the surface to which the sealant has been misapplied. Cured sealant can be removed by abrasion or other mechanical means (scrapers, putty knives).

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Cure Time Test Methods
Cure Time Test Method
1,440 min
>20,160 min After 14 days cure at 77°F and 50% RH
Work / Pot Time Test Methods
Work / Pot Time Test Method
5.00 min Ambient conditions, Bostik Test
Tensile Strength Test Methods
Tensile Strength Cure Time Cure Temperature Cure Humidity Test Method
175 psi 20,160 min 25°C 50 % @ Break, ASTM D 412, After 14 days cure at 77°F and 50% RH
Elongation Test Methods
Elongation Test Method
370 % ASTM D 412, at break, After 14 days cure at 77°F and 50% RH
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method Hardness Temperature
80 ASTM D 2240, After 14 days cure at 77°F and 50% RH 25°C