Silicone potting adhesive is a material with a variety of excellent properties, and its soft elastic characteristics make it widely used in many fields. Due to the wide variety of silicone potting adhesives, different types exhibit significant differences in various properties, including temperature resistance, waterproof performance, insulation performance, optical performance, and adhesion performance to different materials.
It is worth mentioning that the softness and hardness of silicone potting adhesive is also one of its performance characteristics, which makes it perform well in certain specific applications. What's more, by adding some functional fillers, silicone potting adhesive can obtain special properties such as electrical conductivity, thermal conductivity, and magnetic conductivity, thus meeting more diverse application needs.
However, the mechanical strength of silicone potting adhesive is relatively low, which in some cases becomes an advantage. Due to its low mechanical strength, silicone potting adhesive has the characteristic of being "breakable", making it easy to repair. When a component fails, it is only necessary to pry open the potting adhesive and replace the new component, which can continue to be used without disassembling the entire device, greatly improving the convenience of maintenance.
In terms of appearance, the color of silicone potting adhesive can be adjusted according to requirements, and it can be transparent, non-transparent, or colored. This diverse color selection makes silicone potting adhesive more flexible in practical applications and can be customized according to specific needs.
In terms of performance, silicone potting compounds excel in shock resistance, electrical properties, waterproofing, resistance to high and low temperatures, and aging resistance. These exceptional properties have led to their widespread use in electronics, electrical appliances, automotive, aerospace, and other fields, providing reliable protection and support for various devices and components.
In the two-component silicone potting adhesive, condensation-type and addition-type are two common types. Condensation-type silicone potting adhesive may produce volatile low molecular substances during the curing process, and has a large shrinkage rate after curing, which has poor adhesion to components and potting cavities. However, addition-type silicone potting adhesive has minimal shrinkage rate, does not produce low molecular substances during the curing process, and can be quickly cured by heating.
In summary, silicone potting adhesive is a material with excellent performance and wide application. By adjusting its type and formula, it can meet the needs of different fields and scenarios, providing reliable protection and support for various devices and components.