KINGDELI Silicone Rubber Sealant — High-Performance Solutions

KINGDELI Silicone Rubber Sealant — High-Performance Solutions

Overview

KINGDELI's silicone rubber sealant family offers reliable, long-lasting sealing and bonding for demanding environments. Founded in 1998 and headquartered in Foshan, China, KINGDELI combines 27+ years of industry expertise with fully automated production lines in a 66,000 m² facility, ensuring a steady annual supply exceeding 100,000 tons. Our silicone rubber sealant range supports architects, fabricators, OEMs and contractors worldwide with consistent performance and professional technical service.

Key Features

Our silicone rubber sealant formulations deliver exceptional elasticity, UV and weather resistance, chemical stability and strong adhesion to common substrates including glass, aluminum, concrete and coated surfaces. Available in neutral and acetoxy systems, KINGDELI provides low-odor, low-VOC options suitable for sensitive applications. Fast skin formation, long-term flexibility and excellent temperature tolerance make our sealants ideal for both interior and exterior uses.

Applications

KINGDELI silicone rubber sealant is engineered for a wide range of applications: structural and non-structural glazing, façade joints, curtain walls, window installation, HVAC sealing, automotive component bonding, electronics potting, marine sealing and general construction expansion joints. Tailored formulations meet specific adhesion, movement and cure-profile requirements across industries.

Technical Excellence & Certifications

As a National High-Tech Enterprise and contributor to GB/T 29755-2013, KINGDELI upholds rigorous quality systems (ISO 9001, ISO 14001) and international approvals including CE and ASTM-relevant standards. Our vertically integrated manufacturing and dedicated R&D enable precise control over raw materials and batch consistency, assuring customers reliable silicone rubber sealant performance under real-world conditions.

Sustainability & OEM/ODM Support

KINGDELI emphasizes sustainable, low-VOC formulations and scalable OEM/ODM capabilities. We offer custom colors, packaging, and formulations with professional regulatory and application guidance. Our global technical team provides specification support, compatibility testing and on-site troubleshooting to accelerate project timelines.

Why Choose KINGDELI

With a trusted presence in 50+ countries, KINGDELI is your partner for high-performance silicone rubber sealant solutions—combining innovation, manufacturing strength and responsive service. Contact us for product datasheets, samples and tailored sealing strategies to seal the future with confidence.

FAQ:
What is the temperature resistance after curing?

After full cure, it performs reliably in -50℃ to +150℃, maintaining elasticity and adhesion.

What type of sealant is HY922?

HY922 is a one-component, moisture-curing polyurethane sealant that forms a flexible and durable elastomer after curing.

What surfaces and applications is HY-726 NOT recommended for?

While HY-726 is highly versatile, it is generally not recommended for the following:

Structural glazing applications where high-modulus, load-bearing sealants are required.
Surfaces that require paint application over the sealant, as silicone does not accept paint.
Porous natural stones such as marble or granite without proper testing, as silicone may cause staining.
Submerged or continuously immersed surfaces such as aquariums or swimming pools, unless specifically tested for such conditions.
Always conduct a compatibility test on a small, inconspicuous area before full application on any new or sensitive surface.

Can HY994 be used as a structural sealant?

No. HY994 is not intended for structural glazing or curtain wall structural applications.

Is HY951 waterproof and mildew-resistant?

Yes. HY951 provides excellent waterproof performance and long-term mildew resistance, making it ideal for wet and high-humidity environments.

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+86 188 2594 6249

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