<cite id="wvsci"><tbody id="wvsci"></tbody></cite>

  1. <rp id="wvsci"></rp>

    <tt id="wvsci"></tt>
  2. <thead id="wvsci"><delect id="wvsci"></delect></thead>
      1. History of fiber cement siding

        Thu,17 Jan 2019   15:27:15

         Early fiber cement panels used asbestos fibers to add strength. Ludwig Hatschek patented asbestos-reinforced fiber cement in Austria in 1901 and named it "Eternit", based on the Latin term "aeternitas", meaning everlasting. In 1903, Schweizerische Eternit-Werke AG began fabricating the material in the city of Niederurnen in Switzerland. Cellulose-reinforced fiber cement products were introduced 1980s as a safe replacement for the very widely-used asbestos cement products manufactured before that time.

        国产人在线成免费视频网址,欧美黄色片,4438x23全国大免,老熟妇性老熟妇性色 海拉尔缆埔新材料有限公司 海拉尔缆埔新材料有限公司