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根据PPG公司玻璃纤维分部的纸增强材料销售经理Edward V Haney估计,在今后五年内美国玻璃纤维纸的销售量将增加62％,他的依据是今后美国将推广使用以玻璃纤维为基材的屋面材料,使之普及化。他认为,在价格相同的条件下,玻璃纤维屋面材料的性能要比以有机材料为基材的屋面材料来得优越。玻璃纤维屋面材料的耐火等级为A级,而以有机材料为基材的屋面材料的耐火等级仅为C级,而且,前者的使用寿命比后者多五年。目前,大多数屋面材料制造厂商相信玻
According to Edward V Haney, sales manager for paper reinforcements at PPG’s Fiberglass Division, sales of US glass fiber paper will increase by 62% over the next five years. His basis is that the United States will promote the use of glass fiber as a substrate in the future. Roofing materials make it popular. He believes that under the same price conditions, the performance of fiberglass roofing materials is superior to that of roofing materials based on organic materials. The fiberglass roofing material has a Class A fire resistance rating, while the roofing material based on organic materials has a Class C rating, and the former has a service life five years longer than the latter. At present, most roofing material manufacturers believe that glass