工信部2015年第49号公告,批准发布建材行业标准《热反射混凝土屋面瓦》(JC/T 2340—2015),自2016年1月1日起实施。标准规定了热反射混凝土屋面瓦的术语和定义,分类、规格、标记、技术要求、试验方法、检验规则、标志、产品质量合格证、使用说明书、包装、储存和运输。该标准适用于具有热反射功 Ministry of Industry and Information Announcement No. 49 of 2015 approving the issuance of the industry standard for heat-reflective concrete roofing tile (JC / T 2340-2015), effective January 1, 2016. The standard specifies the terms and definitions, classification, specifications, marking, technical requirements, test methods, inspection rules, marking, product quality certificate, instruction manual, packaging, storage and transportation of heat-reflective concrete roofing tile. The standard applies to have a heat reflection work