Dowsil SE 4420 Thermally Conductive Adhesive for Telecom and Power Device Cooling

Product Attributes

This product cures with moisture exposure to produce a durable, low-stress elastomer with non-corrosive by-products, suitable for efficient thermal management applications.

Product Introduction

This product cures with moisture exposure to produce a durable, low-stress elastomer with non-corrosive by-products, suitable for efficient thermal management applications.

Special Attributes

Dowsil SE 4420 offers high thermal conductivity (0.92 W/mK) and excellent mechanical properties, including tensile strength of 4.1 MPa, elongation of 77%, and Shore A hardness of 76.

Typical Properties

Application scenarios

Dowsil SE 4420 is widely used in thermal management for telecom equipment, power supply modules, and consumer electronics, ensuring efficient heat transfer in compact designs.

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