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Price Per Unit: $8.60
Price Per Box: $7.74
Use SA Contractors for: Glazing, sealing, weatherproofing, and forming in-place gaskets in various applications.
SA Contractors Silicone Sealant is a reliable, one-part, acetic cure silicone sealant designed for general-purpose glazing and sealing needs. Its 100% acetic curing system ensures a fast cure and strong bond, particularly on non-porous surfaces. This sealant boasts excellent resistance to weathering and UV exposure, making it suitable for both interior and exterior applications. It maintains its superior physical properties even after years of exposure to diverse environmental conditions.
Key Features of SA Contractors Silicone Sealant
- Acetic Cure: Provides a fast cure and strong adhesion.
- Excellent Weatherability: Suitable for long-term outdoor use.
- UV Resistance: Maintains properties even with prolonged UV exposure.
- Versatile Applications: Ideal for glazing, sealing, and weatherproofing.
- Non-Slump Formula: Easy to apply on vertical and overhead surfaces.
- Wide Adhesion: Bonds well to glass, wood, ceramics, aluminum, and many plastics.
Technical Overview
SA Contractors is formulated to provide a durable and reliable seal. Its acetic curing system ensures a strong bond, while its resistance to weathering and UV exposure makes it suitable for various applications.
Chemical Properties: Acetic acid-curing silicone sealant. Provides excellent resistance to weathering and UV radiation.
Operating Temperature: -62°C to 180°C (-79.6°F to 356°F). Ensure surfaces are clean and dry for optimal adhesion. Cure time is 5-7 days for a 10mm bead at 25°C (77°F) and 50% relative humidity.
Application Information
- Required Tools: Sealant gun, tooling spatula, masking tape, cleaning cloths, and mineral turpentine.
- Trade-Specific Tips: Cut the nozzle at a 45-degree angle. Tool within 5 minutes of application. Use a backing rod for joints over 10mm deep. Mask joint edges for a neat finish and remove tape before the sealant skins over.
- Common Issues and Solutions: Ensure proper ventilation as the sealant releases acetic acid during curing. Clean surfaces thoroughly for optimal adhesion. Avoid using soap or detergent for cleaning.
Storage and Shelf Life
- Storage Requirements: Store in a cool, dry place below 25°C (77°F).
- Shelf Life Information: 12 months in original packaging.
- Temperature Considerations: Avoid storing in high temperatures to prevent reduced shelf life.
Frequently Asked Questions About SA Contractors Silicone Sealant
Q: What is the cure time for SA Contractors Silicone Sealant?
A: The cure time is 5-7 days for a 10mm bead at 25°C (77°F) and 50% relative humidity.
Q: Can SA Contractors Silicone Sealant be used outdoors?
A: Yes, it offers excellent weathering and UV resistance, making it suitable for outdoor applications.
Q: What surfaces can SA Contractors Silicone Sealant be used on?
A: It has excellent adhesion to glass, wood, ceramics, aluminum, and many plastics.
Q: How should I prepare surfaces before applying SA Contractors Silicone Sealant?
A: Surfaces must be clean, dry, and free of dirt, grease, oil, rust, and water. Use white spirits or mechanical cleaning with a lint-free cloth.
Q: Is SA Contractors Silicone Sealant paintable?
A: No, this sealant cannot be painted, as paint will not adhere to it.
Use SA Contractors Silicone Sealant for:
- Standard glazing of frames, panels, and shop fronts.
- Sealing environmental and refrigerated rooms.
- Sheet metal skylights, ventilators, and air-conditioning units.
- Assembly of metal/plastic signs.
- Weatherproofing.
- Forming in-place gaskets.
Why Use SA Contractors Silicone Sealant:
- Fast curing and strong adhesion.
- Excellent weatherability and UV resistance.
- Versatile for various sealing and glazing applications.
- Easy application with non-slump formula.
- Long-lasting performance.
How to apply SA Contractors Silicone Sealant:
- Surface Preparation: Ensure surfaces are clean, dry, and free from contaminants.
- Application: Cut nozzle at 45-degree angle, apply with sealant gun, and tool within 5 minutes.
- Backing Material: Use approved backing material for joints over 10mm deep.
- Cleaning: Clean uncured sealant with mineral turpentine. Remove masking tape before sealant skins over.
SA Contractors Silicone Sealant limitations:
- Not recommended for use with concrete, marble, galvanized steel, or lead surfaces.
- Not for fixing mirrors without manufacturer's approval.
- Not suitable for submerged joints or aquarium manufacturing.
- Cannot be painted.
- Not for use on some laminated glass or certain rubber products where plasticizer bleeding may occur.
Safety precautions when using SA Contractors Silicone Sealant:
- Ventilation: Use in a well-ventilated area.
- Avoid Contact: Avoid breathing vapor and contact with skin, eyes, and mouth.
- Eye Protection: If in eyes, flush with water for 15 minutes and seek medical attention.
- Hand Protection: Remove sealant from fingertips before handling contact lenses.
- General: Keep out of reach of children. Refer to MSDS for detailed safety information.
SA Contractors Silicone Sealant can be used on the following substrates:
- Glass
- Wood
- Ceramics
- Aluminum
- Many Plastics
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