HY-739 Premium Acetic Silicone Sealant
HY-739 Premium Acetic Silicone Sealant is a one-part, acid-curing silicone sealant that cures at room temperature by reacting with atmospheric moisture to form a durable, permanently flexible silicone rubber. With excellent adhesion to glass and vitrified surfaces, fast tack-free time, and outstanding UV/weather resistance, HY-739 is ideal for sealing, bonding, mending, and DIY use in both residential and general construction applications.
Color Options
Clear / Black / Grey / White / Customized colors available
Packaging
Cartridge: 280ml / 300ml
Aluminum Foil Sausage: 500ml / 600ml
Shelf Life
Cartridge: 9–12 months
Aluminum Foil: 12 months
| Curing system | Acetic | Color | Clear |
| Density, g/cm³, approx. | 0.97 | Slump, mm, approx. | 0 |
| Application rate, g/min, approx. | 240 | Tack-free time, min, approx. | 5 |
| Curing rate, mm / 1 day, approx* | 3 | mm / 3 day, approx | 6.5 |
| mm / 7 day, approx | 10 | Operating temperature, ℃ | +5 to +40 |
| Working temperature range, ℃ | -30 to +120 | Elastic recovery, %, approx | 95 |
| Shore A hardness, approx | 16 | Joint movement capability, %, approx | 20 |
| Tensile strength, MPa, approx | 2.0 | Modulus at 100% elongation, MPa, approx | 0.43 |
| Elongation at break, %, approx | 600 | — | — |
Product Functions
Application scenarios
Advantages and Competitiveness
Your Needs, Our Formulation
Customization Options
KINGDELI offers flexible customization services to meet your branding and packaging needs. Customers can choose custom cartridge designs, box packaging, and colors to align with their specific requirements. Our team ensures high-quality, professional packaging solutions that enhance brand recognition and market appeal.
End-to-End Custom Options
◤ Custom cartridge printing and branding
◤ Personalized box design and printing
◤ Customized sealant color
Enhance your product identity with Kingdeli customizable packaging solutions. Contact us to discuss your requirements and request a sample.
Frequently Asked Questions
Find quick answers to the most common questions about our sealant products — from application tips to storage and performance details.
HY739
What is HY-739 best used for?
It is ideal for glass sealing, DIY home repairs, bonding, and general building sealing.
Is it suitable for use on metal or stone?
It works well on many surfaces, but acetic silicone may corrode sensitive metals and alkaline materials—compatibility testing is recommended.
Can it be used outdoors?
Yes. It has excellent weather and UV resistance, suitable for external applications.
Is it paintable after curing?
No. Like other silicones, it cannot be painted after curing.
How fast does it cure?
It becomes tack-free quickly at room temperature. Full cure typically occurs within 24–48 hours depending on joint depth and humidity.
Get Tailored Solutions for Your Adhesives and Sealants Needs
Looking for custom sealant solutions or OEM/ODM support?
Tell us your needs—our team will get back to you with tailored solutions designed to enhance your performance and competitiveness.
HY922 Multiple Purpose Polyurethane Sealant
HY922 Multiple Purpose Polyurethane Sealant is a one-component, moisture-curing polyurethane sealant designed for versatile bonding and sealing applications in both the automotive and construction industries. It cures to form a flexible yet tough elastomeric joint with excellent adhesion to a wide range of substrates. The formulation is non-corrosive, solvent-free, and produces a smooth, bubble-free finish during application.
HY922 delivers fast surface drying and quick positioning, improving installation efficiency while maintaining long-term durability. With strong weather resistance and good creep resistance, it performs reliably in demanding indoor and outdoor environments, including moist and partially submerged conditions.
HY-966 Heavy Duty No More Nails Construction Adhesive
HY-966 Heavy Duty No More Nails is a one-component, high-performance construction adhesive sealant designed for demanding bonding applications in construction, remodeling, maintenance, and repair. Its instant grab formulation secures materials immediately, significantly reducing the need for bracing or mechanical fixing during installation.
HY-966 cures reliably in moist environments and delivers durable adhesion across a wide range of substrates. It provides excellent resistance to water, temperature variation, and aging, ensuring long-term performance in interior construction applications.
HY939A Neutral Heat Resistant Silicone Sealant
HY939A Heat Resistant Silicone Sealant is a neutral-cure silicone sealant specially formulated for versatile industrial and construction applications requiring reliable adhesion and long-term durability.
The sealant provides strong, non-corrosive adhesion to a variety of substrates, including glass, metal, gypsum board, marble, and certain plastics, making it ideal for both structural and sealing purposes.
HY982 Premium Silane-Modified Polymer Adhesive for Flooring and Panel Bonding
HY982 Floor Adhesive is a high-performance, one-component adhesive formulated with advanced silane-modified polymer (SMP) technology. It is paintable, non-staining, and environmentally friendly, offering exceptional bonding strength without the need for a primer.
Designed for modern interior installations, HY982 Floor Adhesive provides excellent adhesion to wood, metal, stone, sintered slabs, glass, ceramics, and many other common building materials—making it the ideal choice for flooring installation and panel bonding applications crystal clear formulation.
Innovating with Integrity, Bonding the World
Since 1998, KINGDELI has delivered trusted, sustainable sealant solutions that connect industries and inspire progress worldwide.
Whatsapp: +8618825946249
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