EXTERIOR BOARD AND MANUFACTURING METHOD FOR EXTERIOR BOARD

摘要

An exterior board for a construction material and a method for preparing the exterior board are provided to improve heat insulation, sound absorption, heat resistance and durability. An exterior board comprises 100 parts by weight of ethylene-vinyl acetate; 150 parts by weight of low density polyethylene (LDPE); 3.5 parts by weight of stearic acid; 3 parts by weight of dicumyl peroxide; 20 parts by weight of modified azodicarbonamide (DX74); 25 parts by weight of antimony; and 75 parts by weight of calcium carbonate (CaCO3).