KINGDELI High Temp Silicone Sealant — Heat Resistant Adhesive

KINGDELI High Temp Silicone Sealant provides dependable heat resistance, strong adhesion, low-VOC formulation, and industrial-grade reliability for ovens, engines, HVAC, and high-temperature joints.
Product Description

Product Overview

KINGDELI High Temp Silicone Sealant is a High Quality, heat-resistant silicone designed for demanding applications where long-term durability and stable performance at elevated temperatures are essential. Developed by KINGDELI, a National High-Tech Enterprise with over 27 years of experience and global production capacity, this sealant balances professional-grade performance with user-friendly application.

Key Features

  • High temperature resistance: stable up to 260°C continuous with intermittent spikes up to 315°C.
  • Excellent adhesion to metal, glass, ceramics, and many painted surfaces.
  • Neutral cure, non-corrosive formula safe for sensitive substrates.
  • Low-VOC and environmentally considerate; supports sustainable building requirements.
  • UV, weather, oil, and chemical resistant for outdoor and industrial use.

Technical Reliability

Manufactured in KINGDELI’s advanced 66,000 m² facility with automated production lines and annual capacity exceeding 100,000 tons, this high temp silicone sealant meets stringent international standards, including ISO 9001, ISO 14001, CE, and ASTM. KINGDELI contributed to national standards and delivers consistent quality through rigorous testing and professional technical support.

Applications

This heat resistant silicone sealant is ideal for: industrial ovens and kilns, furnace doors, exhaust systems, automotive engine components, HVAC joints and flanges, chimney seals, and glass-to-metal bonding where thermal cycling occurs. It is suitable for both OEM and maintenance use.

Easy to Use

Apply from cartridge or tube with standard caulking tools. Tool within the skin time for a neat finish and allow full cure per temperature and thickness guidelines. KINGDELI offers OEM/ODM support and technical guidance to optimize adhesion and curing for specific applications.

Why Choose KINGDELI

KINGDELI combines decades of expertise, certified manufacturing, and dedicated customer service. Our high temp silicone sealant delivers dependable heat resistance, long-lasting adhesion, and environmentally conscious formulation—giving professionals the confidence to seal, bond, and protect in high-temperature environments.

Picture Show

  • HY-3300 Weatherproof Neutral Silicone Sealant

Qualification Certificate

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

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

  • ASTM-C020-2018-HY3300_00

    ASTM-C020-2018-HY3300_00

  • ISO-2023-2026-EN

    ISO-2023-2026-EN

Q&A

Will it corrode metal or cement surfaces?

No. HY-2300 is a neutral curing silicone sealant, ensuring no corrosion to metal and cement substrates.

What packaging options are available?

HY951 is supplied in 400 ml cartridges for convenient application.

What if I am new in this industry?

No problem. We provide complete product knowledge, marketing support, and guidance to help you start quickly.

How strong is the initial bond?

The product offers a high initial tack of up to 250 kg/m², allowing items to grip quickly after placement.

If you have any other questions, please write email to us or call us , we will reply you as soon as possible.

Let's talk
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_1300 not exceed 150 characters
Please enter your content not exceed 3000 characters
Foshan KINGDELI Viscose Co., Ltd.
No. 28, Mingfu Road, Mingcheng, Gaoming, Foshan, Guangdong, China.
You may also like
Multiple Purpose Polyurethane Sealant HY922-1 - KINGDELI

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.

HY922 Multiple Purpose Polyurethane Sealant
HY966 - KINGDELI

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.

HY-966 Heavy Duty No More Nails Construction Adhesive
HY939A - KINGDELI

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.

HY939A Neutral Heat Resistant Silicone Sealant
HY982 - KINGDELI

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.

HY982 Premium Silane-Modified Polymer Adhesive for Flooring and Panel Bonding
Tags
rtv silicone sealant
rtv silicone sealant
hi temp silicone sealant
hi temp silicone sealant
high temperature sealant silicone
high temperature sealant silicone
high heat silicone sealant
high heat silicone sealant
Contact customer service

∎∎

Contact us

Let's Connect

Send us an email

info@kingdelisealant.com

Give us a call

+86 188 2594 6249

Address

No. 28, Mingfu Road, Mingcheng, Gaoming, Foshan, Guangdong, China.

Get a Quote Today!

Partner with Kingdeli, a global manufacturer of sealants, adhesives, and coatings.
We deliver customized OEM/ODM solutions designed to enhance performance, reliability, and market competitiveness.

Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_1300 not exceed 150 characters
Please enter your content not exceed 3000 characters

Share your requirements below — our team will connect with you to create solutions that fit your business goals.

×

∎∎

Contact us

Let's Connect

Send us an email

info@kingdelisealant.com

Give us a call

+86 188 2594 6249

Address

No. 28, Mingfu Road, Mingcheng, Gaoming, Foshan, Guangdong, China.

Let’s Talk Solutions!

Tell us your project needs, and we’ll help you discover the ideal Kingdeli product.

Whether it’s construction, automotive, or industrial applications, we’re here to provide tailored solutions.

Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_1300 not exceed 150 characters
Please enter your content not exceed 3000 characters

Share your requirements below — our team will connect with you to create solutions that fit your business goals.

×

Get In Touch

Call Us

WhatsAPP/Wechat:

×

∎∎

How Can We Help You?

Share your requirements, challenges, or project details — our team will respond with tailored solutions and expert guidance.

Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter your field_1300 not exceed 150 characters
Please enter your content not exceed 3000 characters
×