帝固钢系列蛭石金属瓦的中心，使用ZINCALUME（镀铝锌）的精钢，上下两层经过丙烯酸树脂层处理，以增强防阻侵蚀能力；再外是一层底漆，再向上的一面附着天然蛭石；在其上面涂有透明丙烯酸上光层。因瓦的两面皆被丙烯酸树脂层包裹著，大大增强其抵御天气侵害的能力。
经过了超越五十年不断精心研究及发展而成的帝固钢屋面系统，在新西兰及欧美等地均有生产及供应。其每片钢瓦中心，藴藏著压制成形的精钢。钢瓦本身的造型精巧，使瓦片与瓦片之间重叠互扣，造成极强的组合力；而这种重叠互扣形式，及其独特的水平式打针法，使所建造之屋面，均能经受世界上不同地方**恶劣天气的考验，并能抗御火灾、飓风、甚至地震。除此之外，7.0公斤/平方米的自重堪称世上**轻巧屋面瓦之一。
AHI屋面有限公司运用了高新的金属压制技术，开发出这套新的屋面系统，具备丰富多彩的的样式及颜色，使盖成的屋面，极好地展示建筑师的设计理念，更兼备持久耐用，不受天气影响及少需维修之优点。
丙烯酸透明树脂层
钢材上下表面均有丙烯酸透明树脂层，以保护铝锌镀层，增强钢板的抗腐蚀性能。
底漆
在电脑恒温控制的烘箱将压制成型的钢板，运用AHI公司的**底漆，将天然蛭石颗粒牢牢地粘接在钢板上。
蛭石颗粒
精心挑选具有吸引人并能自然持久的彩色石粒
透明丙烯酸上光层
保护蛭石自然色彩
钢材标准 – BHP镀铝锌钢板
技术性能：(美国材料与实验学会ASTM标准)
钢基层 抗候性报告书编号：ASTM G 53
厚度0.39mm等级AB级
耐腐蚀性（盐雾试验）报告书编号：ASTM B117
铝锌镀层
相对湿度测试报告书编号：ASTM D2247
重量150g/m? 等级AZ150
粘接强度测试（折弯试验）报告书编号：ASTM D1737
钢材总厚度0.43mm
抗冲击试验报告书编号：ASTM D2794
防火试验：报告书编号：ASTM
E-108 A级B级
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