Keyuan 4000 silicone structural sealant
Product Features
■ Keyuan 4000 is a one-component, and Keyuan 8000 is a two-component silicone structural sealant.
■ Neutral curing, non-corrosive to metal, coated glass, concrete and marble.
■ Excellent weathering resistance, high and low temperature resistance, stable performance in the range of -40℃~150℃ after curing.
■ It has excellent adhesion to most building materials and generally does not require primer.
■ It has good compatibility with other neutral silicone rubbers.
■ Solvent-free products, low vulcanization shrinkage, are environmentally friendly products.
The main purpose
■ Various structural bonding: structural bonding and sealing of glass, stone (marble, granite), aluminum curtain wall, glass roof and metal structure engineering.
■ Two-stage bonding and sealing of insulating glass.
■ Many other construction and industrial uses.
Standards compliant
The color is black or other colors required by the user.
Use restrictions
■ Not suitable for all materials that can ooze grease, plasticizers or solvents, such as the surface of oil-impregnated wood.
■ Not suitable for use in tight and unventilated places, because the silicone structural sealant needs to absorb moisture in the air to cure.
■ Not suitable for frosty or wet surfaces.
■It is not suitable for continuous immersion or wet places all year round.
■ When the surface temperature of the material is lower than 4℃ or higher than 40℃, it is not suitable for construction.
Technical Services
■ Provide complete product technical information.
■ Adhesion test: Keyuan series silicone structural adhesives and weather-resistant adhesives have excellent adhesion to most building materials, such as glass, anodized aluminum, ceramic tiles, granite, steel, etc. However, due to the continuous emergence of new building materials and the application of new surface treatment technologies, we cannot guarantee that silicone glue is suitable for all materials. Under normal circumstances, it is necessary to test the adhesion of the sealant and the substrate used in the project. The company's laboratory can provide customers with adhesion tests, evaluate the adhesion performance of the company's sealant and the substrate selected in the customer's engineering, and provide the experimental results, product recommendations, surface cleaning methods and whether to use primers, etc. The content is submitted to the client in writing.
■ Compatibility test: If the auxiliary materials for assembly such as double-sided stickers are incompatible with the silicone adhesive, it will cause the silicone adhesive to discolor and even lose its adhesion. In order to avoid the occurrence of such problems, the company's laboratory provides customers with compatibility testing services. Customers can mail the auxiliary materials selected in the project to us, and our company's laboratory will conduct a compatibility test and issue a written test report.
■ Pollution test: The company's laboratory can provide customers with a pollution test. Customers can mail the base material selected in the project to us. The company's laboratory will conduct a pollution test and issue a written test report.
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