KINGDELI Aquatic Silicone Sealant — Reliable Waterproof Bonding

KINGDELI Aquatic Silicone Sealant is a neutral-cure, low-VOC waterproof sealant designed for underwater and marine use. Trusted by professionals, it delivers long-lasting adhesion and flexibility for demanding wet environments.
Product Description

About KINGDELI Aquatic Silicone Sealant

KINGDELI aquatic silicone sealant is a professional-grade, neutral-cure silicone formulated for reliable performance in wet and submerged conditions. Backed by KINGDELI's 27+ years in sealants and adhesives manufacturing and certified to international standards, it provides durable, flexible, and low-VOC sealing for marine, pool, and wet-area applications.

Key Features

  • Neutral cure: non-corrosive and safe for most metals and coated surfaces.
  • Effective underwater adhesion: bonds and cures in damp or submerged environments.
  • Low VOC and environmentally responsible formulation.
  • Excellent flexibility and movement accommodation for joints exposed to thermal or mechanical stress.
  • UV and weather resistant for long-term outdoor performance.

Primary Applications

This aquatic silicone sealant is ideal for:

  • Marine repairs and sealing on boats, hulls, and fittings.
  • Sealing pools, fountains, and aquariums.
  • Bathroom and wet-area joints where continuous moisture is present.
  • Window and door frames exposed to heavy rain or splash zones.

Why Professionals Choose KINGDELI

KINGDELI operates a 66,000 m² manufacturing facility with automated production and an annual capacity exceeding 100,000 tons, ensuring consistent supply. As a National High-Tech Enterprise and contributor to GB/T 29755-2013, KINGDELI combines technical rigor with production scale. Products meet ISO 9001, ISO 14001, CE, and ASTM standards, giving contractors and specifiers confidence in quality and compliance.

Usage Tips

  • Ensure surfaces are clean and free of loose materials.
  • Apply with a standard cartridge gun; tooling within 5–10 minutes improves finish.
  • Curing time will vary with temperature and humidity; allow full cure before exposing joints to heavy load or abrasion.

KINGDELI offers OEM/ODM support and technical service to help select the right aquatic silicone sealant for specific projects. For samples, technical data sheets, or ordering information, contact KINGDELI to seal your project with trusted, professional-grade performance.

Our Certifications

  • VOC

    VOC

  • Supplier-Assessment-Report-Foshan-Kingdeli-Viscose-Co.,-Ltd._00

    Supplier-Assessment-Report-Foshan-Kingdeli-Viscose-Co.,-Ltd._00

  • CE

    CE

Question you may concern

What colors and packaging are available?

Colors: Black, grey, white, and customized colors upon request
Packaging: 280 ml / 300 ml cartridges; 500 ml / 600 ml aluminum foil sausages

What temperature range can HY-966 withstand?

HY-966 maintains excellent performance between -20°C and +60°C after curing.

Is HY939 safe for use on metal and plastic parts?

Yes. It is non-corrosive and provides excellent adhesion to metals such as aluminum, copper, and stainless steel, as well as engineering plastics including PC and ABS.

Does HY-966 require bracing during installation?

In most applications, no. The instant grab formulation holds materials in place immediately, greatly reducing or eliminating the need for temporary supports.

If you have any questions or concern, please contact us.

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Foshan KINGDELI Viscose Co., Ltd.
No. 28, Mingfu Road, Mingcheng, Gaoming, Foshan, Guangdong, China.
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