{"id":311111,"date":"2024-10-19T21:22:43","date_gmt":"2024-10-19T21:22:43","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-28801991\/"},"modified":"2024-10-25T19:13:26","modified_gmt":"2024-10-25T19:13:26","slug":"bs-28801991","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-28801991\/","title":{"rendered":"BS 2880:1991"},"content":{"rendered":"

This standard describes methods of test for the following cellulose acetate flake properties:<\/p>\n

    \n
  1. \n

    moisture content;<\/p>\n<\/li>\n

  2. \n

    ash content;<\/p>\n<\/li>\n

  3. \n

    acetic acid yield;<\/p>\n<\/li>\n

  4. \n

    bulk density;<\/p>\n<\/li>\n

  5. \n

    particle size distribution;<\/p>\n<\/li>\n

  6. \n

    free acidity;<\/p>\n<\/li>\n

  7. \n

    viscosity ratio of a 5 g\/L solution at 25 \u00b0C;<\/p>\n<\/li>\n

  8. \n

    viscosity at a concentration of 60 g\/L;<\/p>\n<\/li>\n

  9. \n

    viscosity at 25 % concentration at 25 \u00b0C;<\/p>\n<\/li>\n

  10. \n

    insoluble particles;<\/p>\n<\/li>\n

  11. \n

    original light absorption and change of light absorption after heating of plasticized cellulose acetate;<\/p>\n<\/li>\n<\/ol>\n

      \n
    1. \n

      the reduction in viscosity ratio on moulding.<\/p>\n<\/li>\n<\/ol>\n

      \n

      NOTE The titles of the publications referred to in this standard are listed on the inside back cover.<\/p>\n<\/blockquote>\n

      Describes the methods for characterizing acetate flame which have been updated in line with internal standards in this area.<\/p>\n","protected":false},"excerpt":{"rendered":"

      Methods of testing cellulose acetate flake<\/b><\/p>\n\n\n\n\n
      Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
      BSI<\/b><\/a><\/td>\n2010<\/td>\n12<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":311117,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1178,2641],"product_tag":[],"class_list":{"0":"post-311111","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-83-080-10","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/311111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/311117"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=311111"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=311111"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=311111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}