Dow Dowsil 236 Dispersion Coating Datasheet Dow Dowsil 236 Dispersion Coating

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  • Description for Dow Dowsil 236 Dispersion Coating

    A release coating for protecting surfaces from weathering, corrosion and dirt, supplied as low viscosity, oxime cure.

    *See Terms of Use Below

    Brand Dowsil
    Application Type Repair, Coating: Release coating, Coating: Dispersion coating
    1 Part or 2 Part 1-Part
    Material Form Liquid
    Substrate Coated fabrics, Coated paper, Plastic
    Industry Smart Home Devices, Power Tools
    Manufacturer Dow
    Chemistry Silicone, Solvent dispersion, Silicone rubber
    Cure Method Oxime cure, Moisture cure, Air dry
    Cure Temperature (°C) 22, 20 to 25 Room temperature
    Cure Time (min) 1,440, 1,440
    Viscosity (cPs) Low, 675
    Color White
    High Temperature Resistance (°C) 149
    Low Temperature Resistance (°C) -40
    Other Resistance Protecting surfaces from dirt
    Durability Tough, Durable
    Can Be Used In Conjunction With These Materials Easy removal of flash urethane molding, Easy removal of flash polyester molding

  • Technical Data for Dow Dowsil 236 Dispersion Coating

    *See Terms of Use Below

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1-Part
    • Material Form
      • Liquid
    • Substrate
    • Industry
      • Smart Home Devices
      • Industrial - Conveyor belts, Dryer flights, Latex manufacturing equipment, Paint spraying operations, Plastic containers, Rolls, Urethane and polyester molding, Vessels, Waste handling equipment
      • Power Tools
    • Chemistry
    • Application Method
      • Roll - Roller coating
      • Brush - Brushing
      • Spray - Spraying
      • Dip - Dipping
      • Other - Stamp coating
    • Cure Method
      • Room Temperature / Air Dry - Air dry
      • Moisture / Condensation Cure - Moisture cure
      • Other - Oxime cure
    • Color
      • White
    • Can Be Used In Conjunction With These Materials
      • Urethanes - Easy removal of flash urethane molding
      • Other - Easy removal of flash polyester molding
    • Brand
      • Dowsil
    Specifications
    Cure Specs
    Cure Temperature (°C) 22, 20 to 25 Room temperature Test Method
    Cure Time (min) 1,440, 1,440 Test Method
    Viscosity (cPs) Low, 675 Test Method
    Tack Free Time (min) 120, 85 Test Method
    Dry Time (min) 120 to 240
    Bond Strength
    Tensile Strength (psi) 325 Test Method
    Material Resistance
    Non-Corrosive Protecting surfaces from corrosion
    Environmental Resistance Protecting surfaces from weathering
    High Temperature Resistance (°C) 149 Test Method
    Low Temperature Resistance (°C) -40 Test Method
    Other Resistance Protecting surfaces from dirt
    Hardness
    Durability Tough, Durable
    Shore A Hardness 20 Test Method
    Elongation (%) 500 Test Method
    Other Properties
    Specific Gravity 1.640 Test Method
    Flash Point (°F) 50.0 to 53.0 Test Method
    % Solids (%) 70 Test Method
    Business Information
    Shelf Life Details Store below 90°F (32°C). DOWSIL™ 236 Dispersion Coating has a shelf life of 12 months from date of manufacture. Refer to product packaging for “Use By” date.
    Shelf Life Temperature (°F) <90
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 12
    Not Good For
    Don't Use With Brass, Copper, Other sensitive metals, Polycarbonate

  • Best Practices for Dow Dowsil 236 Dispersion Coating

    *See Terms of Use Below

    1. Surface Preparation

      Surfaces must be clean and dry before curing. Moisture, grease, oil, dirt and cleaning agents can interfere with adhesion of the coating. Clean the surface with a solvent to remove foreign material. Then wash with Dow OS fluid or acetone to remove moisture and any residue from the first cleaning operation. In general, solvent cleaning of wood surfaces is not necessary.

      For best adhesion, apply a light, uniform coating of DOWSIL™ 1200 OS Primer by brushing or spraying. Allow the prime coat to dry for 45 minutes at normal temperature and humidity conditions. Avoid excess prime coat. Light, uniform application is best. A low-VOC primer version is available as DOWSIL™ P5200 Adhesion Promoter.

    2. Application

      For precise control of coating thickness, spraying is the best method of application. However, brushing, dipping, roller coating or stamp coating may be used. To obtain the viscosity most suited to a particular spraying system, the dispersion may be thinned with a solvent such as VM&P naphtha or Dow OS fluid.

    3. Curing

      Cures by Air-drying: Apply DOWSIL™ 236 Dispersion Coating and allow to air-dry 24 hours at room temperature in a humid atmosphere, such as = 50 percent relative humidity.

    4. Clean-Up

      To keep the dispersion from setting up and curing in spray guns, brushes, lines or rollers, thoroughly clean the application equipment immediately after use with a solvent such as Dow OS fluid.

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    *See Terms of Use Below

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
22°C 50 Percent Relative Humidity, Specification Writers: These values are not intended for use in preparing specifications.
20 to 25°C Room temperature Air-dry, >= 50 percent relative humidity
Cure Time Test Methods
Cure Time Test Method
1,440 min 50 Percent Relative Humidity, Specification Writers: These values are not intended for use in preparing specifications.
1,440 min Air-dry, >= 50 percent relative humidity
Tack Free Time Test Methods
Tack Free Time Tack Free Temperature Test Method
120 min 22°C Tack-free Drying Time, CTM 0095, 50 Percent Relative Humidity, Specification Writers: These values are not intended for use in preparing specifications.
85 min 72°C Skin-over Time, CTM 0095, 50 Percent Relative Humidity, Specification Writers: These values are not intended for use in preparing specifications.
Viscosity Test Methods
Viscosity Test Method Temperature
Low
675 cPs CTM 0050, As Supplied, Specification Writers: These values are not intended for use in preparing specifications. 25°C
Tensile Strength Test Methods
Tensile Strength Test Method
325 psi CTM 0137A, Specification Writers: These values are not intended for use in preparing specifications.
High Temperature Resistance Test Methods
High Temperature Resistance Test Method
149°C Approximate Service Temperature, As Supplied, Specification Writers: These values are not intended for use in preparing specifications.
Low Temperature Resistance Test Methods
Low Temperature Resistance Test Method
-40°C Approximate Service Temperature, As Supplied, Specification Writers: These values are not intended for use in preparing specifications.
Elongation Test Methods
Elongation Test Method
500 % CTM 0137A, As Cured, Specification Writers: These values are not intended for use in preparing specifications.
Shore A Hardness Test Methods
Shore A Hardness Shore Hardness Test Method
20 CTM 0099, As Cured, Specification Writers: These values are not intended for use in preparing specifications.
Flash Point Test Methods
Flash Point Test Method
10.0 to 11.7°C CTM 0021A, As Supplied, Specification Writers: These values are not intended for use in preparing specifications.
% Solids Test Methods
% Solids Test Method
70 % CTM 0010, As Supplied, Specification Writers: These values are not intended for use in preparing specifications.
Specific Gravity Test Methods
Specific Gravity Temperature Test Method
1.640 25°C CTM 0022, As Cured, Specification Writers: These values are not intended for use in preparing specifications.