KINGDELI High Temperature RTV Silicone Sealant — Heat-Resistant & Durable
Product Overview
KINGDELI High Temperature RTV Silicone Sealant is a High Quality, single-component silicone designed for reliable sealing and bonding where heat resistance matters. Formulated to withstand continuous high temperatures and thermal cycling, this sealant maintains flexibility, adhesion, and durability in demanding environments. It is low-VOC, easy to apply, and cures at room temperature without special tools.
Key Features & Benefits
- High heat resistance: Stable performance up to 320°C (short-term peaks higher), ideal for oven, furnace, engine bay, and industrial equipment use.
- Excellent adhesion: Bonds well to metals, ceramics, glass, and many painted surfaces without primer in most cases.
- Durable & flexible: Remains elastic after curing to absorb thermal expansion and vibration, preventing cracks and leaks.
- Low-VOC & neutral cure option: Designed for safer indoor use with minimal odor and non-corrosive cure byproducts.
- Easy application: Smooth extrusion and tooling, suitable for manual or automated dispensing—supports OEM/ODM production.
- Trusted quality: Manufactured in KINGDELI’s 66,000 m² ISO-certified facility with full compliance to CE, ASTM and China’s GB/T 29755-2013 standards.
Common Applications
Perfect for sealing and bonding in high-temperature settings: industrial ovens, HVAC systems, electrical assemblies, automotive exhaust components, heat shields, kilns, and glass-to-metal joints. Also ideal for repairs where long-term thermal stability is required.
Why Choose KINGDELI
Since 1998, KINGDELI has combined advanced manufacturing capacity (>100,000 tons/year) with technical excellence, serving customers in 50+ countries. Our high temperature RTV silicone sealant leverages 27+ years of R&D experience, robust quality control, and professional technical support—ensuring consistent performance and supply for both professionals and consumers.
For samples, technical datasheets, or custom formulations, contact KINGDELI today to find the right high-temp RTV silicone sealant for your project.
Qualification Certificate
ISO-2023-2026-EN
VOC
ASTM-C020-2018-HY3300_00
FAQ
Is HY732 suitable for aquariums?
Yes, HY732 is suitable for aquarium bonding and sealing applications, offering strong adhesion and durable performance on glass surfaces.
What materials can HY995 bond?
HY995 Crystal Clear MS Polymer Adhesive provides excellent adhesion to a wide range of materials including glass, mirror, metal, aluminum, stainless steel, plastic (PVC, ABS, nylon), rubber, wood, leather, ceramic tiles, natural stone, and concrete. It is suitable for both bonding and sealing applications.
What is HY-2300 mainly used for?
HY-2300 is designed for outdoor glazing and weatherproof sealing, especially suitable for curtain wall joints, window & door frames, ACP panel seams, and general building decoration sealing.
What is HY976 No More Nails used for?
It is a high-strength indoor adhesive designed to bond and fix common building and decorative materials without the need for nails or screws, such as skirting boards, coving, mouldings, coat hooks, and panels.
HY992 Modified Polyurethane Construction Sealant
HY992 Modified Polyurethane Sealant is a one-component, moisture-curing construction sealant designed for professional building and structural sealing applications. It provides excellent adhesion, weather resistance, and durable elasticity, making it suitable for a wide range of construction materials.
The formulation delivers strong bonding performance without corrosion or substrate contamination, while maintaining low VOC content for environmentally responsible construction projects.
HY995 Crystal Clear Ms Polymer Adhesive/Sealant
HY995 Crystal Clear Ms Polymer Adhesive/Sealant is a new generation MS Polymer adhesive / sealant formulated for all bonding and sealing applications where long term reliability is required. It has excellent bonding strength on various materials. It will cure to form a durable, flexible, waterproof seal.
HY997 High-Performance Anti-Microbial MS Polymer Sealant
HY997 MS polymer sealant for is is a premium one-component, neutral-curing modified silane sealant engineered for demanding interior applications. It offers a Class 20 movement capability, ensuring long-lasting flexibility and reliable performance under dynamic joint conditions. Curing at room temperature, HY997 delivers superior anti-microbial and mildew-resistant properties, maintaining hygienic and clean environments over time.
KINGDELI HY732 Professional Acetoxy Cure Silicone Sealant
KINGDELI HY732 is a professional-grade, one-component acetoxy cure silicone sealant designed for fast curing, strong adhesion, and long-lasting flexibility. Ideal for aquariums, glass applications, aluminum doors and windows, kitchens, and bathrooms, it provides reliable sealing performance with excellent anti-fungal protection in high-humidity environments.
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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