KE‑3494 is a two‑component RTV silicone rubber formulated for applications requiring clear encapsulation and strong electrical insulation. It cures into a transparent elastomer with excellent mechanical strength, chemical resistance, and thermal stability. This makes it suitable for potting, sealing, and molding in electronics, LEDs, and optical devices where clarity and reliability are critical.

Optical Grade Transparent Addition Cure Silicone Rubber is a high-performance silicone material designed for electronics protection, optical encapsulation and precision component packaging applications. With excellent transparency, stable curing performance and reliable environmental resistance, it helps manufacturers protect sensitive electronic and optical components while maintaining visual clarity and long-term product reliability.

• Transparency: Suitable for optical and LED encapsulation applications

• Electrical insulation: Provides strong dielectric properties for sensitive electronics

• Chemical resistance: Withstands oils, solvents, and industrial fluids

• Thermal stability: Maintains performance under elevated temperatures

• Durable elastomer: Long service life in demanding environments

1. High Transparency for Optical Applications

This transparent silicone rubber provides excellent optical clarity after curing, making it suitable for applications where light transmission and visual performance are critical.

It helps manufacturers encapsulate optical components without significantly affecting light efficiency, appearance or component visibility, supporting advanced optical and electronic product designs.

2. Addition Cure Technology for Stable Processing

The addition cure silicone rubber uses platinum-catalyzed curing technology to achieve reliable cross-linking performance.

This curing system provides stable material properties after curing and reduces the risk of by-products that may affect sensitive electronic components.

3. Excellent Protection for Electronic Components

Electronic components require reliable protection against moisture, dust and environmental exposure.

The cured silicone rubber forms a flexible protective layer that helps improve component durability while maintaining good stress resistance during operation.

4. Flexible Material Performance Under Thermal Stress

Electronic and optical components often experience temperature fluctuations during operation.

This silicone rubber maintains flexibility after curing, allowing it to absorb thermal expansion differences between materials and reduce stress on delicate components.

5. Long-Term Reliability for Precision Encapsulation

For optical and electronic manufacturers, encapsulation materials directly influence product lifespan and reliability.

This transparent silicone rubber provides stable physical properties, helping manufacturers achieve consistent encapsulation quality in demanding applications.

• Electronics Industry

• LED Industry

• Optical Devices Industry

• Automotive Electronics Industry

• Industrial Equipment Industry

1. Optical Component Encapsulation

Transparent silicone rubber is widely used for optical applications where maintaining light transmission and component protection are important.

It helps protect optical elements while preserving visibility and optical performance.

2. LED and Optoelectronic Packaging

LED and optoelectronic products require encapsulation materials with transparency, heat resistance and long-term stability.

This silicone rubber provides reliable protection for optical modules and light-emitting components.

3. Electronic Sensor Protection

Sensitive electronic sensors require protection from moisture, vibration and environmental changes.

The flexible silicone encapsulation layer helps improve sensor reliability while maintaining stable performance.

4. Precision Electronic Module Packaging

Electronic modules used in industrial and consumer applications require durable encapsulation materials.

This transparent silicone rubber supports manufacturers producing compact electronic assemblies that require protection and reliability.

For electronics and optical manufacturers, encapsulation materials must provide both protection and performance stability.

Optical Grade Transparent Addition Cure Silicone Rubber offers excellent transparency, flexible protection and reliable curing characteristics, helping manufacturers address challenges such as thermal stress, component protection and optical performance requirements.

With stable material quality and professional technical support, it provides a dependable solution for advanced electronic and optical manufacturing applications.

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