Wholesale Silicone Sealant for Fiberglass

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RT7500 Two-part Silcone Insuating Glass Sealant

RT7500 Two-part Silcone Insuating Glass Sealant

Detailed description:

Two components, neutral fast curing, high elasticity, medium modulus, low permeability;

After curing, the product forms a cold resistant, heat-resistant and corrosion-free elastomer, which has no pollution to the Environment;

High bonding and sealing performance can be obtained without primer with the majority of building materials;

It has good compatibility with other silicone adhesives of Runtai.

Product display

Application Area

It is applicable to the secondary bonding and sealing of Insulating glass.

Technical Indicators:

Project Technical indicators Test result
Density g/m3 A 士0.1 1.41
B 士0.1 1.04
Sag, mm Vertical placement ≤3 0
Horizontal placement No deformation No deformation
Surface drying time, h ≤2 1.7
Pot life, min ≥20 56
Hardness Shore A 30~60 44
Elastic recovery rate, % ≥80 91
Tensile adhesion Tensile bond strength, Mpa ≥0.60 1.34
Elongation at maximum tensile strength, % ≥50 139
Bond failure area% ≤10 0
Adhesion at constant elongation No damage No damage
Tensile adhesion after water-ultraviolet treatment Tensile bond strength, Mpa ≥0.45 0.97
Elongation at maximum tensile strength, % ≥40 167
Bond failure area% ≤30 1
Tensile adhesion after hot air aging Tensile bond strength, Mpa ≥0.60 1.47
Elongation at maximum tensile strength, % ≥40 80
Bond failure area% ≤30 0
Thermal weight loss, % ≤6.0 1.9
Water vapor transmittance g/(m2d) Report value 7.12
Jiangsu Runtai Sealant Industry Co., Ltd.

Company Profile

A Mature Factory You Can Count On

As China Manufacturers of Silicone Sealant for Fiberglass and OEM Insulation Glass Adhesive 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 Insulation Glass Adhesive 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 Two Component Insulation Glass Adhesive 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

What is Insulating Glass Sealant?
Insulating glass sealant is a type of adhesive used to seal the edges of double or triple glazed windows. These windows consist of two or three panes of glass separated by a space that is filled with air or an insulating gas, such as argon. The space between the panes of glass helps to reduce the transfer of heat and noise, making them more energy-efficient and soundproof.
The insulating glass sealant is applied to the edges of the glass panels to create an airtight and watertight seal. This helps to prevent moisture and condensation from forming between the glass panels, which can compromise the insulating properties of the window. The sealant also helps to hold the glass panels in place and prevent them from shifting or rattling.
Insulating glass sealant is typically made from silicone, polyurethane, or polysulfide materials. These materials are chosen for their durability, flexibility, and resistance to temperature changes and UV radiation. The sealant is applied using specialized equipment and techniques to ensure a uniform and consistent seal around the entire perimeter of the window.
Function of Insulation Glass Adhesive
The function of insulation glass adhesive, or insulating glass sealant, is to create an airtight and watertight seal between the edges of the glass panels used in double or triple glazed windows. The adhesive is applied to the perimeter of the glass panels and serves several important functions:
1.Seals the edges: Insulating glass adhesive seals the edges of the glass panels to prevent air and water from penetrating the space between the glass layers. This prevents drafts, condensation, and moisture buildup, which can reduce the energy efficiency of the window and damage the window components over time.
 2.Provides structural support: The adhesive helps to hold the glass panels in place, providing structural support and stability to the window assembly. This helps to prevent the glass from shifting or rattling within the frame, which can also compromise the energy efficiency of the window.
3.Enhances thermal performance: The adhesive can also enhance the thermal performance of the window by providing a barrier to heat transfer. This is especially important in cold climates, where energy-efficient windows can help to reduce heating costs.
Overall, the insulating glass adhesive plays a critical role in maintaining the performance and durability of double or triple glazed windows, helping to improve energy efficiency and comfort in buildings.
Application method of insulating glass sealant
The application method of insulating glass sealant may vary depending on the type of sealant used, the equipment available, and the specific requirements of the project. However, the following are some general steps involved in the application of insulating glass sealant:
1.Cleaning the glass: The glass panels should be cleaned thoroughly to remove any dust, debris, or residue that may interfere with the adhesion of the sealant.
2.Preparing the spacer: The spacer that will separate the glass panels should be assembled and inserted into the frame of the window.
3.Applying the sealant: The sealant is applied to the edges of the glass panels using a specialized applicator or dispenser. The sealant should be applied in a continuous and uniform bead around the entire perimeter of the glass.
4.Pressing the glass: Once the sealant has been applied, the glass panels are carefully placed into the window frame and pressed firmly into the sealant to create a strong bond. The pressure applied should be sufficient to ensure that the sealant makes full contact with both the glass and the spacer.
5.Curing the sealant: The sealant will need to cure for a specific period of time before the window can be installed. The curing time may vary depending on the type of sealant used, the environmental conditions, and the size of the window.
Overall, the application of insulating glass sealant requires specialized equipment, techniques, and expertise to ensure a proper and effective seal. It is important to follow the manufacturer's instructions and industry standards to achieve the desired performance and longevity of the window.