KINGDELI Silicone Sealant — Reliable High-Performance Sealant
KINGDELI Silicone Sealant — Trusted, Durable, Low-VOC
KINGDELI Silicone Sealant is a versatile, high-performance sealant designed for professional builders, fabricators, and DIY users. Formulated for excellent adhesion, long-term flexibility, and strong resistance to weather, UV and temperature changes, it provides reliable sealing for joints, windows, doors, sanitary areas and many industrial applications.
Key Benefits
- Superior adhesion to glass, metal, ceramic, and many plastics.
- Flexible and durable seal that resists cracking and shrinkage.
- Low-VOC formulations for improved indoor air quality.
- Available in neutral cure and acetic cure options to match substrate needs.
- Excellent weatherproofing and UV resistance for exterior use.
Applications
Ideal for glazing, curtain walls, window and door installation, sanitary and bathroom joints, HVAC systems, and bonding tasks where a long-lasting, watertight seal is required. Choose neutral cure silicone for sensitive materials such as stone or coated aluminum, or acetic silicone for general-purpose sealing where fast curing is desired.
Technical Quality & Sustainability
Produced in KINGDELI’s 66,000 m² automated facility in Foshan, China, our silicone sealants meet international standards including ISO 9001, ISO 14001, CE, and ASTM. As a National High-Tech Enterprise and contributor to GB/T 29755-2013, KINGDELI combines manufacturing scale with R&D expertise. We offer sustainable low-VOC options and OEM/ODM support to fit project specifications.
Usage & Support
Easy to apply with a standard caulking gun. For best performance, clean and dry substrates, apply with consistent bead size, and tool within the skin time. KINGDELI provides technical support, datasheets, and custom formulations for specific applications.
Choose KINGDELI Silicone Sealant for dependable sealing performance backed by 27+ years of industry experience. Contact our technical team for product selection, sample requests, or OEM/ODM solutions.
Qualification Certificate
CE
Supplier-Assessment-Report-Foshan-Kingdeli-Viscose-Co.,-Ltd._00
ASTM-C020-2018-HY3300_00
Question you may concern
What is the service temperature range after curing?
After full curing, HY-4300 maintains excellent adhesion and elasticity between -50°C and +250°C.
What are the main applications of HY-4300?
HY-4300 is used for:
✓Structural glazing of glass, marble, and aluminum curtain wall systems
✓Glass roofing and façade structural projects
✓Secondary sealing of insulating glass units (IGU)
✓Bonding and sealing of structural building components
Is this sealant suitable for industrial and commercial use?
Absolutely. The product is designed to meet the performance requirements of industrial, commercial, and professional applications.
Is HY922 suitable for outdoor applications?
Yes. HY922 offers excellent weather resistance and performs well in outdoor environments, including exposure to moisture, frost, and temperature variations.
If you have any questions about our goods or services, please feel free to contact us.
HY992 Modified Polyurethane Construction Sealant
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KINGDELI HY732 Professional Acetoxy Cure Silicone Sealant
KINGDELI HY732 is a professional-grade, one-component acetoxy cure silicone sealant designed for fast curing, strong adhesion, and long-lasting flexibility. Ideal for aquariums, glass applications, aluminum doors and windows, kitchens, and bathrooms, it provides reliable sealing performance with excellent anti-fungal protection in high-humidity environments.

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