DOWSIL Sylgard 184 Silicone Elastomer 1.1KG Two-Part Encapsulant

DOWSIL Sylgard®184 Silicone Elastomer Two-Part Encapsulant for LED

Product Introduction of DOWSIL™ Sylgard®184 Silicone Elastomer

Part 1: Basic Properties

DOWSIL™ Sylgard®184 is a two-part, transparent silicone elastomer that cures at room temperature or with heat, with a mix ratio of 10:1 (base:curing agent). It offers excellent dielectric properties, high transparency, and good flame resistance, making it ideal for electronic encapsulation and protection.

Part 2: Product Description

Sylgard®184 flows easily when mixed and cures into a flexible elastomer, suitable for filling and encapsulating complex geometries. The cure process is non-exothermic and unaffected by sectional thickness or confinement, requiring no post-cure. It is UV-stable, weather-resistant, and performs reliably within a temperature range of -45°C to 200°C.

Part 3: Key Features

1. ​Fast Cure: Accelerated by heat (e.g., 10 minutes at 150°C).
2. ​High Transparency: Refractive index ranges from 1.3997 to 1.4225 (wavelength-dependent), enabling post-cure inspection.
3. ​Dielectric Performance: Dielectric strength of 500 V/mil (19 kV/mm), volume resistivity 2.9×10¹⁴ Ω·cm.
4. Mechanical Properties: Shore A hardness 43, tensile strength 980 psi (6.7 MPa).
5. Compatibility: Avoid contact with sulfur, tin, or other cure inhibitors.

Part 4: Applications

Sylgard®184 is widely used for electronic encapsulation, including:

• ​LED Lighting: High-transparency encapsulation for improved efficiency.
• ​Solar Cells: Protects PV modules from environmental stress.
• ​High-Voltage Devices: Insulates transformers, relays, and resistor packs.
• ​Sensors & Industrial Controls: Resilient in harsh conditions.
• ​Aerospace Electronics: Stable performance under extreme temperatures.

Technical Data Table

1. Who are we?

We are Shenzhen Huazhisheng New Material Technology Co., Ltd., a professional industrial adhesives and sealants supplier based in China since 2018. we serve global markets: Mainland China (60%), Southeast Asia (20%), North America (10%), and Europe (10%).

2. What products do you offer?

we supply high-performance adhesives and sealants from global leaders including:

Cemedine, Dow Corning, Shin-Etsu, Araldite, and Momentive,etc.

3. How do you guarantee product quality?

Quality assurance through:

Mandatory pre-production samples approval

Final inspection by QC team before shipment

International certifications: SGS, UL, FDA, RoHS, REACH

4. Why choose us over other suppliers?

Reliable Supply:Authentic products from top manufacturers

Expert Support:Technical guidance for product selection

Global Compliance:Certifications meeting target market standards

Efficient Service:Customized solutions & professional support

5. What services do you provide?

Delivery​:EXW/FOB/CIF

Payment​:USD/EUR/CNY/HKD via T/T, L/C

Support​:Technical consultation & logistics coordination

Shenzhen Huazhisheng New Materials Technology Co., Ltd. is a leading provider of environmentally friendly adhesives and technical solutions, specializing in the application of modified silicone rubber, epoxy adhesives, thermal materials, bonding adhesives, encapsulation adhesives, and UV adhesives across various industries such as electronics, home appliances, LED lighting, automotive, consumer electronics, rail transit, aerospace, and electrical power. Huazhisheng New Materials adheres to the corporate sustainable development strategy of "Progress, Innovation, Professionalism, and Integrity," and integrates the philosophy of "Quality, Efficiency, Environment-Friendly, and Reliability" throughout the entire product lifecycle. Our products have passed SGS, UL, FDA, DIN, and non-toxic certifications, and have been awarded multiple global patents, making us one of the primary suppliers of adhesives and new materials in China's new energy, electronics, automotive, industrial, packaging, environmental protection, construction, and high-speed rail sectors.
With an innovative perspective, we offer customized solutions, continuously develop leading technologies, and provide comprehensive support to clients across various industrial sectors. We are committed to collaborating with our clients to drive industrial transformation and upgrading, ensuring your sustained competitive edge.
Based on advancements in various polymer chemical materials, Huazhisheng New Materials has established a leading position in four key areas: coating, bonding, sealing, and thermal conductivity. Our efficient and environmentally friendly adhesive products and technical solutions help industrial enterprises enhance production efficiency and benefits, protect your electronic products from external chemical agents and harsh usage environments, and extend their lifespan, ensuring continuous and stable operation.