发明申请
US20110052874A1 ROOFING ARTICLES WITH HIGHLY REFLECTIVE COATED GRANULES 审中-公开
具有高反射涂层颗粒的屋顶物品

ROOFING ARTICLES WITH HIGHLY REFLECTIVE COATED GRANULES
摘要:
A roofing article comprising an asphaltic substrate; and a plurality of granules disposed on a surface of the substrate, said granules including a base rock and a coating, where the coating is characterized by a reflectivity, according to ASTM C1549, of at least 50%, an opacity of at least 50%, and is chemically inert, and where the base rock is characterized by a reflectivity of at least 50%, an opacity of at least 50%, and is chemically inert.
信息查询
0/0