E-glass is a popular fiber made primarily of silica oxide, along with oxides of aluminum, boron, calcium and other compounds. Named for its good electrical resistance, E-glass is strong yet low in cost, and accounts for over 90% of all glass fiber reinforcements, especially in aircraft radomes, antennae and applications where radio-signal transparency is desired. E-glass is also used extensively in computer circuit boards where stiffness and electrical resistance are required.
Structural E-glass is made from stands of continuous glass filaments that are plied and twisted into yarns. It offers a unique combination of physical and electrical properties that cannot be matched by any other material.
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