Epotec - electrical and electronic applications - Aditya Birla Chemicals

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Glossary Arc Resistance The ability of a material to resist the action of high voltage electricals are usually stated in terms of the time required to render the material electrically conductive. Failure of the specimen may be caused by heating to incandescence, burning, tracking or carbonization of the surface. Coefficient of Thermal Expansion The fractional change in length (or sometimes in volume, when specified) of a material for a unit change in temperature. Deflection Temperature under Load The temperature at which a simple beam has deflected a given amount under load (formerly called heat distortion temperature). This is the temperature at which a specimen deflects 0.010 inches at a load of 66 or 264 psi. Dielectric Constant (Permittivity) That property of a dielectric which determines the electrostatic energy stored per unit volume for unit potential. The ratio of the capacity of condenser having a diele.ctric material between the plates to that of the same condenser when the dielectric is replaced by vacuum. Also known as specific inductive capacity, it is expressed as: Partial Discharge (PD) Partial discharge is a phenomenon which occurs on or inside the test body when an alternative voltage of a critical level is set up or exceeded. It can be explained by the gaseous gaps (very fine pores, irregularities). The effect of internal partial discharges are particularity damaging and may shorten the service life of the insulation. Thermal Conductivity The measure of the ability of a material to conduct heat. For a homogenous material it is the ideal rate of heat flow, under steady conditions, through unit area, per unit temperature gradient in the direction perpendicular to the area. Thermal Shock The stress-producing phenomenon resulting from a sudden temperature drop. Thermal Stability The resistance to permanent change in properties caused solely by heat. Tracking Resistance Resistance of solid insulation materials against combined effect of electrical stress and electrolytic contamination. This is also known as comparative tracking index. E = Cp Co = Q CoV Dissipation Factor The ratio of the power loss in a dielectric material to the total power transmitted through the dielectric. Glass Transition Temperature (Tg) The temperature at which the amorphous polymer changes from a glass-like brittle state to rubbery state. 12 Epotec ® Epoxy Systems | Electrical and Electronic
® Disclaimer This brochure is designed to provide you with information to the Epotec ® range of Products referred to, and should be read in conjunction with the latest Technical Data Sheets (TDS) and Material Safety Data Sheets (MSDS), and may not be construed as legally binding. Nothing contained herein constitutes an offer for the sale of any product. The Company makes no warranties, either expressed or implied, with respect to its product or the results of its use, or with respect to any information provided by the Company. Because of changes in conditions and circumstances the Company reserves the right, subject to all applicable laws, at any time, at its discretion, and without notice, to discontinue or change the specifications and the prices of their products, and to either permanently or temporarily withdraw any such products from the market without incurring any liability to any prospective purchaser or purchaser. It is the sole responsibility of the user to test our products for suitability in the intended use. Always consult an authorized Epotec ® representative for the latest information with respect to specifications, prices, and availability. Material Safety, Handling and Storage Conditions Due to variety of materials used in epoxy systems, please consult Epotec ® Technical Data Sheets (TDS) and Material Safety Data Sheets (MSDS). TDS and MSDS are available for all Epotec ® products upon request. Alternatively, visit www.epotec.info for detailed material safety, handling, and storage conditions.
Page 1 and 2: Electrical and Electronic Epotec ®
Page 3 and 4: Our Company acts as a solution prov
Page 5 and 6: Formulation Epotec ® Epoxy Systems
Page 7 and 8: Castings In this technique, a mold
Page 9: Important Considerations for Epotec

Epotec - electrical and electronic applications - Aditya Birla Chemicals

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