Product Description
Boss 389 Weather Sealant for Aluminum Panels
BOSS 389 Weather Seal Silicone Sealant is an one part neutral cure medium modulus, low odor construction grade sealant that offers excellent adhesion weather ability and compatibility with wide variety of materials. BOSS 389 is ideally suited for weather proofing waterproofing sealing expansion and control joints and general purpose glazing.
BOSS 389 has excellent adhesion to glass glazed surfaces galvanized steel anodized aluminum, concrete cement wood ceramics painted surface and many plastics.
Boss 389 Weather Sealant for Aluminum Panels fully meets or exceeds the requirements of the following specifications:
- ASTM C920-86
- TT-S 001543A and
- TT-S 00230C
FEATURES:
- One Part , no mixing required
- Easy to apply
- Excellent adhesion to most common building materials
- Low Odor
- Non-Corrosive to metal
- Permanently Flexible
- Weather proofs / Waterproofs
- UV resistant
Specification
| Model | 398 |
| Service Temperature | -40 To 150 Deg C |
| Brand Preference | BOSS |
| Packaging Size | 280 ml |
| Features | Heat Resistant Water Resistant Vibration Resistant, Moisture Resistant mpact Resistant |
| Grade Standard | Industrial Grade Chemical Grade |
| Surface of Application | Wood Glass Plastic Ceramic |
Advanced Weatherproofing for Aluminum PanelsBoss 389 Weather Sealant delivers exceptional weather and UV resistance, ensuring long-lasting, leak-proof protection for aluminum panels. Its hybrid polymer formulation offers superb flexibility and strong adhesion, making it ideal for exterior joints and demanding construction projects exposed to harsh elements.
Fast Setting and Easy ApplicationWith a tack-free time of just 1020 minutes and a full cure in 2448 hours, Boss 389 allows for quick application and minimal downtime. The cartridge design fits standard caulking guns, while its paste consistency ensures smooth and precise bead application along joints and seams.
Versatile Usage and Reliable PerformanceSuitable for construction, industrial, and architectural glazing, Boss 389 provides up to 25% movement capability and bonds seamlessly with aluminum, glass, and most construction surfaces. Its low VOC content meets regulatory standards, making it safe for both installers and the environment.
FAQs of Boss 389 Weather Sealant for Aluminum Panels:
Q: How do I apply Boss 389 Weather Sealant to aluminum panels with skins over?
A: Boss 389 Weather Sealant is applied directly from the 300 ml cartridge using a standard caulking gun. Cut the nozzle to your desired bead width (typically 612 mm), then dispense an even bead along the joint or seam. Tool the sealant if needed within the tack-free time for a smooth finish.
Q: What surfaces is Boss 389 Weather Sealant compatible with?
A: This sealant is specifically designed for superior adhesion to aluminum but is also suitable for glass and most common construction materials. Its perfect for use on aluminum panels, metal surfaces, and in projects requiring architectural glazing.
Q: When will the sealant fully cure after application?
A: Boss 389 becomes tack-free within 1020 minutes at 23C and 50% relative humidity. Full cure is achieved within approximately 2448 hours, depending on bead thickness and ambient conditions.
Q: Where can Boss 389 Weather Sealant be used?
A: The sealant is ideal for exterior applications, including construction joints, industrial installations, and architectural glazing. Its outstanding weather and UV resistance make it suitable for outdoor environments throughout India.
Q: What are the key benefits of using Boss 389 Weather Sealant?
A: Key benefits include excellent UV and weather resistance, up to 25% joint movement capability, fast curing, low VOC content, and outstanding adhesion to aluminum and other construction materials, ensuring durable, flexible seals in various environments.
Q: What is the process for ensuring optimal performance when using this sealant?
A: For best results, clean and dry all surfaces before application. Apply the sealant in a continuous bead, tool as necessary within the tack-free time, and avoid disturbing the joint until the sealant has fully cured (2448 hours).
Q: Is Boss 389 suitable for environmentally sensitive projects?
A: Yes, Boss 389 Weather Sealant has a low VOC formulation, making it suitable for projects with green building requirements or where indoor air quality is a concern.