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.
Color Options
Clear / Black / Grey / White / Customized colors available
Packaging
Cartridge: 280ml / 300ml
Aluminum Foil Sausage: 500ml / 600ml
Shelf Life
Cartridge: 12 months
Aluminum Foil: 12 months
|
No. |
Test Item |
Test Standard |
Test Result |
|
1 |
Color |
/ |
White |
|
2 |
Appearance |
/ |
paste |
|
3 |
Tack free time, minute |
GB/T13477.5-2002 |
15 |
|
4 |
Hardness, shore A |
GB/T531-2008 |
40 |
|
5 |
Tensile bone strength, MPa |
GB/T528-2009 |
0.6 |
|
6 |
Maximum strength elongation rate, % |
GB/T528-1998
|
80 |
|
7 |
Weight loss after heating, % |
/ |
2.42 |
|
8 |
Density, g/cm³ |
/ |
1.64 |
|
9 |
Shelf Life |
/ |
12 months from date of manufacture (unopened), the store temperature is 25℃ |
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.
HY939A
What substrates does this sealant adhere to?
It provides excellent adhesion to a wide range of materials, including glass, metal, aluminum, gypsum board, marble, and certain engineering plastics, without causing corrosion.
Does the sealant slump or sag during application?
No. The product has excellent thixotropic properties, allowing it to stay in place after application and ensuring clean, controlled tooling.
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.
How does the product perform under extreme temperatures after curing?
Once cured, the sealant maintains excellent elasticity and stability. It does not become brittle, hard, or crack at temperatures as low as –30°C, and it does not soften or degrade at temperatures up to 200°C.
What are the typical applications of this sealant?
Typical applications include bonding and sealing of LED and energy-saving lamps, automotive lighting, as well as structural bonding and sealing of glass, aluminum, and engineering plastics. It is also suitable for general-purpose industrial sealing applications.
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.
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Innovating with Integrity, Bonding the World
Since 1998, KINGDELI has delivered trusted, sustainable sealant solutions that connect industries and inspire progress worldwide.
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