Dow Paintable Silicone Sealant
Application Type Bond, Seal 1 Part or 2 Part 1-Part Material Form Paste Substrate Siding materials Industry Around window frames, Doors, Cables Manufacturer Dow Chemistry Silicone Cure Method Latex-cure, RTV, Moisture, Water-based Application Temperature (°F) 36 to 90 Cure Time (min) 1,440 to 10,080 Color White High Temperature Resistance (°C) 93 Low Temperature Resistance (°C) -40
Technical Data for Dow Paintable Silicone Sealant
1 Part or 2 Part
- Stone - Siding materials
- Other - Painted surfaces
- Dispenser - Nozzle
- Moisture / Condensation Cure - Moisture
- RTV (Room Temperature Vulcanization) - RTV
- Other - Latex-cure, Water-based
Application Temperature (°F) 36 to 90 Cure Time (min) 1,440 to 10,080 Set Time (min) 1,440 Test Method Tack Free Time (min) 45 to 60 Test Method
Tensile Strength (psi) 150 Test Method
Environmental Resistance Environmental resistance, Weather resistance High Temperature Resistance (°C) 93 Low Temperature Resistance (°C) -40
Shore A Hardness 25, 20 to 25 Test Method Elongation (%) 9 Test Method Flexibility Flexible
Shelf Life Details Do not freeze. Store between 35 and 90°F (2 and 32°C). Dow Corning Paintable Silicone Sealant has a usable life of 22 months from date of manufacture. Refer to product packaging for use-by date. To store short term, replace cap., To store long term, unscrew nozzle, screw cap in cartridge and store nozzle in cap. Shelf Life Temperature (°F) 36 to 90 Shelf Life Type From date of manufacture Shelf Life (mon) 22
Not Good For
Don't Use For Structural glazing, For prolonged submersion in water or below-grade applications. Don't Use With oily woods or some plastics
Best Practices for Dow Paintable Silicone Sealant
Cut out and remove all old caulk for repair applications.
For best results, apply sealant at temperatures between 35 and 90°F (2 and 32°C) and when no rain or high humidity is expected within 24 hours of application.
Install back-up spacing material for better filling, especially if width exceeds 1/2" to maximize Dow Corning Paintable Silicone Sealant is available from: bonding results. Open-cell polyethylene foam backer rod can be used.
Cut snub nose above threads, reattach and cut nozzle to desired size. Insert into a caulking gun.
Extrude sealant with a smooth, steady motion, and ensure complete fill of joint cavity before proceeding.
First, apply solvent to a lint-free cloth and vigorously wipe bonding surfaces to remove dirt and residue. Then, use a dry wipe to remove remaining solvent and residue for optimum cleaning. Repeat if necessary. Surfaces must be clean, dry, oil- and frost-free for best results. (Recommended solvents include isopropyl alcohol, toluene, xylene, naphtha or similar solvent.)
Remove uncured sealant with a water-dampened cloth.
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Set Time Test Methods
|Set Time||Set Temperature||Test Method|
|1,440 min||25°C||1/8", At 77°F 25°C and 50% relative humidity.|
Tack Free Time Test Methods
|Tack Free Time||Tack Free Temperature||Test Method|
|45 to 60 min||25°C||77°F 25°C and 50% relative humidity.|
Tensile Strength Test Methods
|Tensile Strength||Cure Time|
|150 psi||10,080 min|
Elongation Test Methods
|9 %||After 7 days|
Shore A Hardness Test Methods
|Shore A Hardness||Shore Hardness Test Method|
|25||Hardness/Durometer Test Method|
|20 to 25||After 7 days|