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  • Dielectric Materials for Use in Radomes
    , materials are needed with combined characteristics of good dielectric properties coupled with structural strength, durability, and chemical inertness. Polyurethane foam is subsequently used in a myriad of industries such as aerospace, medical, construction, marine, and composite core. General Plastics
  • The Megger Guide to Oil Breakdown Dielectric Testing
    Oils that combine a high flashpoint with high dielectric strength have long been used as an insulating medium in. transformers, switchgear and other electrical apparatus. To ensure that the dielectric strength of the oil does not. deteriorate however, proper maintenance is essential, and the basis
  • Hi Pot Testing in the 21st Century
    The Hi Pot Test, also known as Flash Test, High Voltage or Dielectric Strength, is one of the more controversial electrical safety tests and has provoked much discussion and debate.
  • Capacitor Testing Procedures
    Capacitors for applications involving applied DC voltage should be tested on a DC dielectric strength meter for voltage and emission current. Jennings will test capacitors to this measure if specified by the customer.
  • Flash testing: Getting it right during manufacturing
    The flash Test (also known as High Voltage (HV), Dielectric Strength or HiPot) is one of the more controversial electrical safety tests and has provoked a lot of discussion and debate in recent years. This article looks at new developments in flash testing for electronic product design applications
  • On-Load Tap Changer
    in their environment in a transformer. The effect of the transformer and the tap-leads on the dielectric field strength may be investigated with the application of the CST EM STUDIO (R) (CST EMS) electrostatic field solver.
  • Arc Tracking and Silicone Self-Fusing Tape
    Many electrical insulation applications are designed with dielectric breakdown strength (DBS), or the voltage potential required to break through an electrically insulating material, as a major factor. While this is a good test to determine how resistive a material is through its volume it does
  • New Flame-Retardant Structural Adhesive
    (14 CFR 25.853/25.885), and the solvent-free formulation has very low VOC emissions. Once cured, 10 Minute Epoxy FR provides typical peel strength of 25 pli, impact resistance of 10 ft-lbs/in , dielectric strength of 800 volts/mil, and adhesive tensile lap shear strength of up to 2900 psi
  • Medical Device Link .
    The origins of polyimide tubing As a class of organic resins, polyimides exhibit outstanding engineering properties, especially thermal stability, dielectric strength, mechanical strength, temperature stability and chemical resistance, see . Although polyimide resin structures were known about
  • Polyetherimide
    index is 47%, one of the highest among the engineering thermoplastics. Smoke evolution, as measured in the NBS chamber test (ASTM E662), is low. Dielectric constant of PEI remains virtually unchanged between frequencies of 60 10° Hz and temperatures