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Sand reinforced polyester composite
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<p>Sand reinforced polyester composites (SPCs), are <a href="/facts/Building_material/Kk7GB0KY">building materials</a> with <a href="/facts/Sand/MdTIt0M8">sand</a> acting as reinforcement in the <a href="/facts/Composite_material/UBysQldh">composite</a>. Pioneers in using sand reinforced composites include <a href="/facts/Germany/paluuWBX">German</a> <a href="/facts/Businessperson/Eys9TX5M">business men</a> Gerhard Dust and Gunther Plötner, who made sand reinforced composite <a href="/facts/Brick/2CBPgDIK">bricks</a> with <a href="/facts/Polyester_resin/0RVo2CtF">polyester resin</a> and hardener to provide emergency relief housing for those affected by the 2010 earthquake in <a href="/facts/Haiti/yjgyeK9w">Haiti</a>. Sand was used in the composites because of its abundance and ease in obtaining. </p>