HY939 Neural RTV Gasket Maker
HY939 Neutral RTV Gasket Maker is a single-component, neutral-cure RTV silicone gasket sealant designed for high-performance automotive and industrial sealing applications. It cures by reacting with atmospheric moisture to form a highly flexible, durable elastomer. The product is sensor-safe, non-corrosive, and low-odor, making it suitable for use on a wide range of metal and engineering plastic substrates.
HY939 provides excellent resistance to high and low temperatures, oils, antifreeze, sewage, and automatic transmission fluids. After curing, it exhibits no shrinkage, maintains long-term elasticity, and allows for easy disassembly during maintenance, ensuring reliable sealing performance under demanding operating conditions.
Color Options
Black / Grey / White
Packaging
30–100 ml aluminum tube
280 ml / 300 ml cartridge
Shelf Life
Aluminum tube: 18 months
Cartridge: 12 months
|
Color |
grey |
Application Temperature |
Apply between -60℃ and 315℃ |
|
Appearance |
Lump-free paste |
Maximum length of the joint |
6mm |
|
Shore A-hardness |
25 |
Seal up time |
immediate |
|
Maximum seal oil pressure, Mpa |
8 |
Tack free time, minutes |
5-8 |
|
Extrudability (ml/min) |
150 |
Shelf Life |
12 months from date of manufacture (unopened) |
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.
HY-939
What type of sealant is HY939?
HY939 is a one-component, neutral-cure RTV silicone gasket maker that cures with atmospheric moisture to form a flexible, durable seal.
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.
What temperature range can HY939 withstand?
HY939 performs reliably in a wide temperature range from -60 °C to 350 °C, making it suitable for both high-temperature and low-temperature environments.
Does the sealant shrink after curing?
No. HY939 does not shrink after curing and maintains long-term elasticity.
What colors and packaging options are available?
HY939 is available in grey, red, black, clear, and customized colors. Packaging options include aluminum tubes (30–100 ml) and cartridges (280 ml / 300 ml).
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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