In the rapidly growing solar energy industry, reliable bonding and sealing materials are essential for ensuring long-term performance and durability. One such advanced solution is ALSTONE Solar 119 Black, a high-quality moisture-curing silicone sealant specially designed for solar energy applications.
This is a non-slump, one part silicone sealant which is a one component RTV-1 silicone sealant. It is solvent-free and non-corrosive Alstone solar 119 cures at room temperature on exposure to air moisture to give a permanently flexible silicone sealant with very good mechanical properties.
What is Solar 119 Black?
When exposed to atmospheric moisture, Alstone Solar 119 Black, a one-part silicone sealant with no slump, cures at room temperature. It is non-corrosive, solvent-free, and designed to offer flexible and long-lasting sealing under harsh environmental conditions.
The diffusion rate of moisture in silicone sealant limits the overall curing rate of RTV-1 silicones, the initial skin formation. Since the increase of the curing temperature has only a small effect on the skin formation time and the curing speed, Alstone 119 Solar Black is usually vulcanized at room temperature.
The sealant forms a silicone rubber that remains elastic permanently after full curing, and it is resistant to Extreme changing climatic conditions, UV radiation, and temperatures up to 180 °C (356 °F) without damage. Its long-lasting performance makes it a safe choice for applications such as solar panel manufacturing and industrial bonding.
Key Properties of Alstone 119 Solar Black
Uncured Properties: Prior to curing, the sealant provides several practical advantages: non-slump paste consistency, easy application on vertical and horizontal surfaces, non-corrosiveness to metals, an alcohol-based curing system, and a ready-to-use single-component formulation.
Cured Properties: After curing, Alstone 119 Solar Black provides medium hardness, excellent flexibility, strong bonding performance, long-term UV and weather resistance, an operating temperature range of -50°C to +180°C, and electrical insulation properties.
Applications
Frame Bonding
Production of CPV Modules
Solar Thermal Energy
Key Features of Alstone Solar 119 Black
Condensation-curing
Electrically insulating
One-component
Thixotropic
UV & weathering-resistant
UV stable
Why Choose Alstone Solar 119 Black?
Alstone solar 119 black is a proven silicone sealant that can be used for industrial and solar projects. The reliability of this product has established it as an excellent selection for manufacturers and solar industry professionals.
Outstanding UV resistance
Long-term weather durability
High-temperature stability
Excellent adhesion performance
Flexible and non-corrosive formulation
Easy room-temperature curing
Packaging and Storage
Store in a cool, dry place. The “Best Use Before End” date is mentioned on the product label. Product stored beyond this date should be tested before use to ensure quality and performance.
Colors Available: Black, white and clear
Packing Sizes Available:
600 ml × 12 Sausage
Part A – 225 kg
Part B – 45 kg
Safety Precautions
During curing, Alstone solar 119 releases a total of approx. 3% by weight of alcohol vapor. Use in a well-ventilated area and avoid prolonged inhalation. Avoid contact with eyes and skin. In case of contact, rinse immediately with plenty of water and seek medical advice if irritation continues.
Conclusion
With the growing development in solar technology, there is also a requirement for permanent, effective and durable sealing materials. Alstone solar 119 black delivers reliability, flexibility, and weather resistance. It is necessary in modern photovoltaics and solar thermal applications.
This RTV-1 silicone sealant is perfect to use when bonding frames, sealing junction boxes or fixing structurally; it offers long-lasting protection and excellent bonding strength in extreme conditions. This is highly effective and ideal for all sectors demanding secure silicone.
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