Dielectric Strength Testing

Element provide both dielectric strength testing to determine breakdown points, and dielectric withstand testing to measure performance over a set period under high voltage. Our AC and DC testing captures sudden changes in resistance, delivering precise data on both immediate and sustained insulation resilience. This quick turnaround lets you move from development to market with confidence. 

• Dielectric strength breakdown testing 

• Dielectric withstand duration testing 

• AC voltage resistance testing 

• DC voltage resistance testing 

• Sudden resistance change analysis 

Dielectric Withstand vs. Dielectric Strength 
Dielectric tests apply high levels of alternating current (AC) or direct current (DC) to the insulation barrier: 

• A dielectric strength test identifies the voltage at which material breakdown occurs, allowing current flow. This pinpointed voltage is the dielectric strength. 

• A dielectric withstand test gauges how well insulation can tolerate high voltage for a specified time before failing. 

Both tests are vital for product safety compliance and material breakdown prevention. 

Our experts evaluate a wide range of insulation materials used in electronic devices and equipment, from cable insulation to protective barriers. We measure voltage breakdown points to ensure these barriers remain fit for purpose—even at peak voltage levels—helping you maintain safety and avoid costly failures. 

• Electrical insulation barriers 

• Cable telecommunications insulation 

• Electronic device protection materials 

• Product safety barriers 

• Industrial equipment insulation 

Our comprehensive testing approach includes sudden resistance change analysis, measuring sustained voltage tolerance, and guiding you in optimal material selection. We follow international standards to verify that your products meet required safety thresholds. By pinpointing the breakdown point, we help mitigate risk of material damage or human injury while expediting your product’s path to certification. 

• Breakdown point identification 

• Sustained voltage tolerance measurement 

• Material selection guidance 

• International standards compliance 

• Safety validation protocols 

Our 8,500-strong team operates from Materials Testing Services hubs across the world, providing global access to our capabilities with local, hands-on assistance no matter where you’re based.

We combine fast testing turnaround with thorough evaluations to ensure each insulation barrier effectively protects against dangerous current flow. Whether you’re verifying new materials or optimizing existing ones, our holistic approach helps you prevent electrical failures, maintain global safety standards, and deliver speed, convenience, and peace of mind to your development process.