Dielectric Techno Gel – Features and Benefits
Dielectric gels are a special class of encapsulant with the unique capability to remain as a soft and flexible material after curing. Coming in one or two part materials, this product category fulfills the needs of most applications and process cases. And can be considered for use on actuators. Being a solvent-less material, dielectric gel is fundamentally low-viscosity liquids.
One-Part Techno Gel Gives Convenience to Users
Although coming in one or two-part gel variants, two-part products are the most universally designed and are supplied with a 1:1 mix ratio in the form of parts A and B. Thus, allowing for either a room temperature or a heat expedited curing. A Techno gel that is formulated as one-part, gives ease and convenience to the user as the need for mixing is done away with. However, it won’t require a heat cure.
Advancements have resulted in the formulation of specialized one-part gels that allow for a very rapid UV cure. Now, let’s look more closely at dielectric gels assessing the features and benefits of this product group. And spotlighting the most popular dielectric gel products.
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Features and Benefits Of Dielectric Techno Gel
One of the stand apart and really impressive features of dielectric gels is the product’s capacity to re-heal whenever it becomes broken or cut. Having said that, dielectric gels are an extremely resilient material and offer cushioning while also offering the dimensional stability of an elastomer. The secret behind dielectric gels capacity to re-heal is their natural tacky surface, that forms after curing. This surface will stick firmly to most common substrates without requiring the assistance of a primer.
Some other key features of dielectric Techno gel include temperature resistance, low modulus, good dampening properties, low viscosity, tacky adhesion at room temperature and high dielectric strength (>18kV/mm). This is assured to bring reliability. Along with a host of key benefits such as: under the hood usage, thermal and mechanical stress protection and a free flow across components which will not allow the formation of thermally induced voids.
Moreover, Dielectric gels have impressive stress relief properties, like those of a liquid. That is why this special material is frequently used on electronic circuits to isolate the circuit from the destructive effects of contaminants. Dielectric gels don’t just provide electrical insulation for high voltages, they also contribute to electronic circuit stress relief and gives protection against thermal and mechanical stresses.
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The Bottom Line
There is an array of applications where going for a dielectric gel, would be advantageous. This may be in the form of a material application from standard insulators to applications that involves controlling dielectric properties for active device architectures. Apart from that, these would include – sensor potting, ECU potting, power module potting, rectifiers, semiconductors, transducers, capacitors, transformers and for making use of it in cable joints. Dielectric gels are a naturally resilient material type that can meet the needs of a great number of complex applications. Due to their impressively low modulus, the silicone gels are much softer in comparison to other similar products. Thus, offer impressive stress relief as well as dielectric insulation.
