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999 Neutral Silicone Curtain Wall Structural Sealant
  • 999 Neutral Silicone Curtain Wall Structural Sealant
  • 999 Neutral Silicone Curtain Wall Structural Sealant
  • 999 Neutral Silicone Curtain Wall Structural Sealant
  • 999 Neutral Silicone Curtain Wall Structural Sealant

999 Neutral Silicone Curtain Wall Structural Sealant

999 is a general-purpose neutral silicone structural sealant suitable for sealing and bonding a variety of curtain wall joints. Designed with material compatibility and construction adaptability in mind, it provides reliable adhesion to most building materials while maintaining long-lasting weather and aging resistance. This product maintains stable physical properties even in complex climates and is widely used in curtain wall and building joint projects where bonding security and durability are paramount.

Product Features:
① Single-component, neutral room-temperature curing, fast cure speed, and high strength;
② Specifically designed for structural bonding and assembly of building curtain walls, non-corrosive to most substrates;
③ Excellent weathering and low-temperature resistance, with minimal change in temperature between -40°C and 150°C;
④ Excellent adhesion to most building materials and good compatibility with other neutral silicone adhesives.


Main Applications:

Installation and weatherproof sealing of various doors and windows; Weatherproof sealing of aluminum and glass curtain walls; Metal joining and sealing of metal structures; and many other architectural and industrial applications.

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About Us
Zhejiang Guangjiao New Material Co., Ltd.
Zhejiang Guangjiao New Material Co., Ltd.

Zhejiang Guangjiao New Material Co., Ltd. is a large-scale manufacturer and distributor of building decoration materials and silicone sealants. It is currently the only major manufacturer of glass sealants in Huzhou City, Zhejiang Province, and is the top-selling company in Huzhou, Zhejiang Province. Since its establishment, the company has consistently adhered to the principle of "Quality First, Reputation Foremost."

This product was successfully trademarked in December 2009. It has a wide range of applications, primarily in building doors and windows, interior and exterior wall decoration, curtain wall engineering, electronics, and the automotive industry. The company covers 17 mu (approximately 16 acres), with a 5,000-square-meter factory and a 1,500-square-meter office building. It employs 50 production staff and 10 technical staff. Its primary brand is the Guangjiao series of glass sealants. We offer peace of mind for our customers, guaranteeing quality and issuing a quality guarantee. We have comprehensive laboratories and product testing equipment, and maintain close technical partnerships with renowned domestic universities. We have a highly skilled R&D team, a strong quality assurance system, and a strong reputation.

Certificate Of Honor
  • TUV certification
  • TUV certification
  • SGS certification
  • SGS certification
  • Advanced unit in shareholding reform and listing
  • Outstanding enterprises in science and technology talents
  • Outstanding enterprises in science and technology talents
  • Production certified enterprise
  • Zhejiang Province Science and Technology Small and Medium Enterprises
  • Sci-Tech Innovation Spark Award
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