Thermally Conductive Adhesive​ Single Component Dowsil SE 4485

Product Basic Attributes​​

Dowsil SE 4485 is a single-component, thermally conductive adhesive designed for effective heat transfer in electronic modules. This white, moisture-curing, organic silicon adhesive offers rapid surface drying time and excellent adhesion properties. It is UL94V-0 certified, ensuring its flame retardant capabilities.

Product Description​​

Dowsil SE 4485 is a thermally conductive adhesive that provides a durable, low-stress elastomer upon curing in the presence of moisture. This adhesive is specifically engineered to address the increasing thermal management needs of modern electronic devices, particularly in consumer electronics where compact and lightweight designs are prevalent. By effectively transferring heat from the device to the surrounding environment, Dowsil SE 4485 helps maintain lower operating temperatures, thereby enhancing device efficiency and reliability over its lifespan.

Enhanced Properties

Dowsil SE 4485 stands out due to its unique combination of properties. It is a single-component material with semi-fluid consistency, ensuring easy application. The adhesive cures quickly at room temperature and 0-80% relative humidity, achieving over 90% of its physical properties within 4-7 hours. With a high thermal conductivity of 2.8 W/mK, it efficiently bridges the heat from the source to the heat sink. Additionally, its UL94V-0 certification ensures it meets stringent flame retardant standards, making it suitable for a wide range of electronic applications.,

Application Scenarios

Dowsil SE 4485 is widely used in various electronic modules to manage heat effectively. It is particularly suitable for cooling electronic components in lamps, communication devices, and power supply equipment. The adhesive's ability to form a durable, low-stress elastomer makes it ideal for applications where thermal management and mechanical stability are critical. Its compatibility with a variety of substrates, including metals, ceramics, glass, and selected laminates, resins, and plastics, further enhances its versatility in electronic assembly.