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RT8500 Structural Silicone Sealant for Curtain Wall

RT8500 Structural Silicone Sealant for Curtain Wall

Detailed description:

Single component, neutral curing, high adhesion, medium and high modulus, with strong displacement capacity;

With the majority of building materials, it can obtain great bonding and sealing performance without primer, and has good extensibility, water tightness and other functions.

After curing, the product forms a cold resistant, heat-resistant andcorrosion-free elastomer, which has high weather resistance, aging resistance, ultraviolet resistance, ozone resistance and high and low temperature resistance, and has no pollution to the environment

It has good compatibility with other silicone adhesives of Runtai.

Product display

Application Area

Structural bonding and assembly sealing of glass curtain wall, stone(marble, granite)curtain wall, aluminum curtain wal and metstructure engineering;

It is applicable to the staggered connection orbutt joint between glasses, the second bondingand sealing of lighting roof and hollow glass;

Sealing and bonding in high-rise buildings andindustrial applications.

It is applicable to curtain wall design of semiconcealed frame or fully concealed frameprojects and other types of building and industri-al sealing.

Technical Indicators:

Project Technical indicators Test result
Sag, mm Vertical placement ≤3 0
Horizontal placement No deformation No deformation
Extrudability,s ≤10 1.8
Surface drying time, h ≤3 1.4
Hardness Shore A 20~60 44
Thermal aging Thermal weight loss% ≤10 3.9
Chapping No No
Pulverization No No
Tensile adhesion 23 ° C Tensile bond strength, Mpa ≥0.60 1.35
Bond failure area% ≤5 1
Elongation at maximum tensile strength,% ≥100 424
Modulus Mpa when elongation is 10% / 0.28
Modulus Mpa when elongation is 20% / 0.39
Modulus Mpa when elongation is 40% / 0.52
Tensile adhesion
90° C
Tensile bond strength, Mpa ≥0.45 0.97
Bond failure area% ≤5 0
Tensile adhesion
-30° C
Tensile bond strength, Mpa ≥0.45 2.55
Bond failure area% ≤5 3
Water - after UV light Tensile bond strength, Mpa ≥0.45 1.10
Bond failure area% ≤5 4
After immersion Tensile bond strength, Mpa ≥0.45 1.30
Bond failure area% ≤5 4

Color Sample:

Jiangsu Runtai Sealant Industry Co., Ltd.

Company Profile

A Mature Factory You Can Count On

As China Manufacturers of Anti-sag Silicone Sealant for Concrete, Gutter and OEM Structural Silicone Sealant for Construction Factory, Jiangsu Runtai Sealant Industry Co., Ltd. established in year 2001, is committed to becoming the best partner in the field of silicone sealant industry under the principle of credit management, brand reputation, ecological and environmental protection, and high quality and good price.
Located in Zhangjiagang, Jiangsu province, we are a professional enterprise engaged in the production of environmentally friendly decorative building materials, whose main products are numerous OEM color silicone sealant, polysulfide sealant, butyl rubber,etc.
The products are widely used in construction engineering, curtain wall structural assembly and sealing, insulating glass processing, indoor and outdoor decoration, etc.
We have an area of 28000 square meters with a production area of 25000 square meters and office area of 3000 square meters. Our company is in the hinterland of the Yangtze River Delta and near to Shanghai, Wuxi, Suzhou, Nanjing, enjoying convenient traffic.
We have twenty production lines with an annual output capacity of over 30000 tons. With very advanced production equipment and improved technology, we have realized full automated production.
Our company has ISO9001/ISO14001 standard system, and is Production Identification Enterprise of Silicone Structural Sealant by China Construction Metal Structure Association. We supply Structural Silicone Sealant for Construction Wholesale, our products are rated as Green Building Materials Products. Some series of our products are also rated as Featured Products by Construction Curtain Wall Industry Assessment.
Since established, we have made stable sales network throughout domestic market and established long-term partner relationships with customers abroad. We will continue to innovate and develop, and adhere to the principle of good faith and quality, to be the first-class professional silicone sealant manufacturer in the world.

Our Strength

High standard factory

As Wholesale Structural Silicone Sealant for Construction Suppliers, we have our own production workshops and warehouses, equipped with complete production and quality inspection equipment.

Quality Assurance :

We have our own testing lab and the most advanced and complete inspection equipment,which can ensure the quality of the products.

Jiangsu Runtai Sealant Industry Co., Ltd.
Jiangsu Runtai Sealant Industry Co., Ltd.

Support Customization :

We have a strong R&D team,and we can develop and produce products according to the requirements or samples the customers offered.

Diverse Products :

We have 22 advanced production lines, ,which enable us can develop and produce a lot of products with different technology data, different colors, different packages.

Jiangsu Runtai Sealant Industry Co., Ltd.
Jiangsu Runtai Sealant Industry Co., Ltd.

After-sale services :

We have professional sales team and technology team for after-sales.

Production Capacity :

Our annual production capacity is over 40000 tons,we can meet the needs of different customers with different purchase quantity.

Jiangsu Runtai Sealant Industry Co., Ltd.
Jiangsu Runtai Sealant Industry Co., Ltd.

Client Service :

We focus on developing high-quality products for top-end markets.Our products are in line with international standards.


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Industry knowledge

The latest specification of Silicone Structural Sealant for Building

Silicone structural sealants are used in building construction to create a durable, waterproof seal between two surfaces, such as between glass and metal, or between different types of building materials. These sealants are designed to withstand extreme temperatures and weather conditions, and can be used for both interior and exterior applications.
The specification of silicone structural sealant for building will depend on the specific application and requirements of the project. Some factors that may be considered when selecting a silicone structural sealant include:
Adhesion: The sealant should adhere strongly to the surfaces it is applied to, without cracking or pulling away.
Durability: The sealant should be able to withstand exposure to sunlight, rain, and temperature fluctuations without breaking down or deteriorating.
Elasticity: The sealant should be able to stretch and compress without losing its seal, as buildings expand and contract with changes in temperature and humidity.
Cure time: The sealant should cure within a reasonable amount of time, to allow for efficient construction and installation.
Color: The sealant should be available in a range of colors to match the surrounding building materials.
It is important to follow the manufacturer's instructions for proper installation and use of silicone structural sealants, to ensure a safe and effective seal that meets building codes and regulations.

The role of Structural Silicone Sealant for Construction

Structural Silicone Sealant for Construction is a type of adhesive sealant that is designed to create a durable, long-lasting bond between two surfaces, typically glass, metal, or other building materials. SSS is commonly used in the construction of curtain walls, storefronts, skylights, and other architectural applications where a strong, weather-resistant seal is required.
The main role of SSS is to provide structural bonding and sealing of the building components. It helps to create a secure, airtight seal that prevents water, air, and dust from penetrating the building envelope. This, in turn, helps to improve energy efficiency, reduce heating and cooling costs, and improve indoor air quality.
SSS also provides a high degree of flexibility and elasticity, which allows it to absorb and distribute stresses caused by building movement due to temperature changes, wind, and seismic events. This flexibility also helps to prevent the cracking and failure of building components that could result in water leaks or other damage.
In addition to its structural and sealing properties, SSS is also valued for its aesthetic appeal. It can be tinted to match the color of surrounding building materials, making it virtually invisible once installed. This helps to maintain the architectural integrity and appearance of the building.
Overall, Structural Silicone Sealant is an essential component of modern building construction, providing both functional and aesthetic benefits that contribute to the overall performance and longevity of the building.

Application of Structural Silicone Sealant

Structural Silicone Sealant (SSS) is a versatile adhesive sealant that can be used in a variety of construction applications. Here are some common uses for SSS:
Curtain walls: SSS is used to bond and seal glass panels and aluminum frames in curtain wall systems. It provides a strong, weather-resistant seal that allows for movement and flexibility in the building envelope.
Skylights: SSS is used to bond and seal glass panels and aluminum frames in skylight systems. It provides a secure, waterproof seal that prevents water leaks and reduces energy loss.
Storefronts: SSS is used to bond and seal glass panels and metal frames in storefront systems. It provides a strong, durable seal that can withstand exposure to sunlight, temperature changes, and weather conditions.
Structural glazing: SSS is used in structural glazing systems to bond glass panels directly to the building structure, without the need for mechanical fasteners. This creates a sleek, modern look and allows for more natural light to enter the building.
Expansion joints: SSS is used in expansion joint systems to seal gaps and allow for movement and flexibility in the building envelope. This helps to prevent water leaks and other damage caused by building movement.
General construction: SSS can also be used in a variety of other construction applications, such as bonding and sealing metal, wood, and plastic building components, and creating airtight seals around windows and doors.
Overall, SSS is a versatile and reliable adhesive sealant that is used in a wide range of construction applications to provide structural bonding and sealing, weather resistance, and aesthetic appeal.