XtraBond 150
XtraBond 150 is a one-component, permanently flexible, RTV (Room Temperature Vulcanizing) mildew-resistant silicone sealant that serves as the definitive industry standard for the stone and construction sectors. Engineered with superior chemical resistance, this high-performance sealant provides a worry-free solution for a wide range of demanding applications, from residential remodeling to commercial flooring and truck assembly. Its contractor-grade formula is specifically designed to withstand extreme environments, forming a durable, tight bond that professionals count on for long-term reliability.
This versatile RTV silicone delivers exceptional primerless adhesion to a variety of substrates, including cultured marble, tile, glass, vinyl, aluminum, and sheet metal. It is engineered to cure rapidly upon exposure to atmospheric moisture, making it an ideal choice for high-stakes installations such as window and door frames, sinks, faucets, and backsplashes. With its non-sagging and non-slumping properties, XtraBond 150 is ideal for vertical joints and hard-to-caulk areas, ensuring a clean, professional finish every time.
Main Features
- Industry Standard RTV Formula: Permanently flexible, one-component silicone.
- Approved for Cultured Marble: Ideal for specialized stone and bathroom installations.
- Excellent Adhesion: Superior bond to glass, tile, and metals without primer.
- Mildew Resistant: Formulated to inhibit fungal growth in high-moisture areas.
- Non-Sag & Slump: Easy to gun and tool, even on vertical surfaces.
- Tough Chemical Resistance: High durability against harsh environmental factors.
- Low VOC Formula: Environmentally conscious and safe for interior use.
Specifications
| Property | Value / Method |
|---|---|
| Chemistry | 100% RTV Silicone |
| Skin Time | < 15 minutes @ 70°F / 50% RH |
| Tack Free Time | < 45 minutes @ 70°F / 50% RH |
| Cure Rate | 1/4″ Bead in 48 Hours |
| Tensile Strength | 160 – 200 psi |
| Shore A Hardness | 20 ± 5 |
| Movement Capability | ± 25% (ASTM C719) |
| Service Temperature | -40°F to 300°F |
| VOC Content | < 30 g/L |
| Compliance | ASTM C920 Type S, Grade NS, Class 25 |
| Paintable | No (Non-Paintable) |
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