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 type of sealant is this product?
This product is a one-component, neutral-cure silicone sealant designed for high-performance bonding and sealing applications in industrial and construction environments.
What is the recommended application temperature range?
The sealant offers smooth extrusion and optimal workability within an application temperature range of 4°C to 40°C.
Is this sealant corrosive to metals or sensitive materials?
No. The neutral-curing formulation is non-corrosive, making it safe for use on metals and other sensitive substrates.
Can this product be used for both bonding and sealing?
Yes. It is engineered for both structural bonding and sealing, offering strong adhesion combined with long-term flexibility.
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.
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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