High-Performance RTV Silicone Solutions for Electronics & Industry

Expert in Room Temperature Vulcanizing (RTV) silicones since 2010. We deliver reliable, innovative silicone adhesives, sealants, potting compounds, and thermal interface materials for automotive electronics, LED lighting, solar energy, and new energy batteries.

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2010

Founded with a focus on RTV silicone innovation

50+

Custom formulations developed

Global

Serving clients in 30+ countries

Expert in Room Temperature Vulcanizing (RTV) Silicones

Established in 2010, Guangzhou Conghua Zhaoshun New Materials Co., Ltd. is a leading company specialized in the formulation and production of Room-Temperature-Vulcanizing (RTV) silicone materials. We offer a comprehensive range of high-performance products including RTV silicone adhesive sealants, potting compounds, conformal coatings, silicone primers, and thermally conductive silicone grease/putty.

Our strength lies in innovation through strategic partnerships with universities and research institutions. These collaborations enable us to develop specialized formulas that solve complex challenges in electronics, lighting, renewable energy, and industrial applications.

ISO-Certified Manufacturing
R&D-Driven Formulations
Global Supply Chain
Custom Solutions Available

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Our Product Range

We provide a variety of standard models or custom formulations to satisfy your application requirements. From adhesives to thermal interface materials, our RTV silicones ensure durability, reliability, and performance.

Clear RTV Silicone Adhesive & Sealant

General-purpose adhesive with excellent mechanical strength and adhesion to multiple substrates. Ideal for sealing joints in electronic housings and industrial assemblies.

• Transparent after cure
• Room temperature curing
• High flexibility and durability

High-Performance Silicone Adhesive Sealant

Engineered for demanding environments with superior resistance to temperature extremes, moisture, and vibration. Perfect for automotive and outdoor electronics.

• -50°C to +200°C operating range
• Excellent UV resistance
• Long-term stability

Low Viscosity Black RTV Silicone Sealant

Designed for deep penetration and sealing in tight spaces. The black formulation offers EMI shielding and aesthetic benefits in visible applications.

• Low viscosity for easy dispensing
• Electrically insulating
• Aesthetic black finish

Thermally Conductive Silicone Grease/Putty

White or gray paste with excellent thermal conductivity. Functions as a heat transfer medium between heat-generating components and heat sinks.

• Thermal conductivity: 1.5–3.0 W/mK
• Non-migrating formula
• Dielectric properties maintained

RTV Silicone Conformal Coating

Transparent fluid applied as a protective coating for electronic components and PCBs. Provides moisture, dust, and chemical resistance.

• Flexible, non-cracking film
• Easy spray or dip application
• Repairable and reworkable

RTV Silicone Potting Compounds

Liquid silicone materials that cure to form protective encapsulation for sensitive electronics such as LED drivers, transformers, and battery modules.

• Excellent electrical insulation
• Vibration and shock absorption
• Long-term environmental protection

High-Temperature RTV Silicone

Specialized formulation resistant to continuous exposure above 250°C. Used in engine compartments, industrial heaters, and high-power electronics.

• Withstands up to 300°C
• Retains elasticity at high temps
• Low outgassing

Vinyl Silicone Primers, Diluent and Fluid

Vinyl Silicone Primers, Diluent & Fluid

Transparent liquids used to enhance adhesion of RTV silicones to difficult substrates such as plastics, metals, and ceramics.

• Improves bond strength
• Fast-drying formula
• Compatible with most RTV silicones

Industry Applications

Our RTV silicone solutions are trusted across industries where reliability, thermal management, and environmental protection are critical.

Lamps and Luminaires

Sealing and potting of LED modules, reflectors, and optical components to ensure long life and moisture resistance.

LED Drivers

Encapsulation of power electronics to protect against thermal cycling, vibration, and environmental exposure.

Indoor Power Supplies

Insulating and protective coatings for transformers, capacitors, and PCBs in consumer and industrial power systems.

Solar Power Systems

Sealing of junction boxes, encapsulation of bypass diodes, and protection of connectors in photovoltaic installations.

Home Appliances

Gasketing, bonding, and sealing in washing machines, ovens, refrigerators, and HVAC systems.

New Energy Batteries

Thermal interface materials, potting compounds, and structural adhesives for lithium-ion battery packs and BMS systems.

Why Choose Zhaoshun RTV Silicones?

Proven Reliability

Used in mission-critical applications across automotive, industrial, and renewable energy sectors.
Custom Formulation Capabilities

Tailor-made solutions for viscosity, cure speed, color, thermal conductivity, and adhesion requirements.
Global Support & Supply

Fast delivery and technical support available worldwide through our distribution network.

Quality & Certifications

ISO 9001

Quality Management

RoHS

Compliant Materials

REACH

Regulatory Compliance

Safety Recognized

Frequently Asked Questions

What is RTV silicone?

RTV stands for Room Temperature Vulcanizing. It refers to silicone materials that cure at ambient conditions without requiring heat, forming durable elastomeric seals and bonds.

How long does RTV silicone take to cure?

Most formulations skin over in 15–30 minutes and fully cure within 24 hours, depending on thickness, humidity, and temperature.

Can RTV silicone be used outdoors?

Yes, our RTV silicones are UV-resistant and designed for long-term outdoor exposure in lighting, solar, and automotive applications.

Do you offer custom formulations?

Yes, we specialize in developing custom RTV silicone solutions tailored to specific performance, regulatory, or processing requirements.

Are your products compliant with RoHS and REACH?

Yes, all our standard products are RoHS and REACH compliant. Certificates of Compliance are available upon request.

Get in Touch

Contact our technical team for product selection, samples, or custom formulation inquiries.

Phone

+86-20-85576000-159

Mobile

+86-18578453692

Email

samueltao@jointas.com

Contact Person

Samuel Tao

Address

No.61 Longxing Road, Aotou Village, Conghua District, Guangzhou City, Guangdong Province, China

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