{"id":3739,"date":"2025-09-24T16:24:42","date_gmt":"2025-09-24T08:24:42","guid":{"rendered":"https:\/\/www.honorpigments.com\/?post_type=product&p=3739"},"modified":"2026-03-23T19:54:41","modified_gmt":"2026-03-23T11:54:41","slug":"optical-brightener-ob-1","status":"publish","type":"product","link":"https:\/\/www.honorpigment.com\/uz\/mahsulot\/optical-brightener-ob-1\/","title":{"rendered":"Optik oqarituvchi OB-1"},"content":{"rendered":"

Optical<\/b><\/strong>\u00a0Brightener<\/b><\/strong>\u00a0OB<\/b><\/strong>–<\/b><\/strong>1<\/b><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Product<\/b><\/strong>\u00a0Ism<\/b><\/strong><\/td>\nOptical<\/b><\/strong>\u00a0brightener<\/b><\/strong>\u00a0OB<\/b><\/strong>-1(<\/b><\/strong>C<\/b><\/strong>.<\/b><\/strong>I<\/b><\/strong>.<\/b><\/strong>\u00a0393)<\/b><\/strong><\/td>\n<\/tr>\n
CAS\u00a0No.<\/td>\n1533-45-5<\/td>\n<\/tr>\n
EINECS\u00a0No.<\/td>\n216-245-3<\/td>\n<\/tr>\n
Other\u00a0Name<\/td>\n4,4′-Bis(2-benzoxazolyl)stilbene<\/td>\n<\/tr>\n
Molecular Formula<\/td>\nC28H18N2O2<\/td>\n<\/tr>\n
Appearance<\/td>\nBright\u00a0yellow\u00a0\/ green\u00a0crystalline\u00a0powder<\/td>\n<\/tr>\n
Purit<\/b><\/strong>y<\/b><\/strong><\/td>\n\u226599<\/b><\/strong>%<\/b><\/strong><\/td>\n<\/tr>\n
Melting<\/b><\/strong>\u00a0point<\/b><\/strong><\/td>\n360~380<\/b><\/strong>\u00a0\u00b0<\/b><\/strong>C<\/b><\/strong><\/td>\n<\/tr>\n
Volatile:<\/td>\n<0.5%<\/td>\n<\/tr>\n
Package<\/td>\n20kg\u00a0per\u00a0carton, 25\/30kg\u00a0per\u00a0fiber\u00a0drum\u00a0with\u00a0PE\u00a0liner, or\u00a0as\u00a0per the\u00a0customers’ requirements.<\/td>\n<\/tr>\n
Applications:<\/p>\n

Mostly used in the brightening the products of synthetic fiber and plastics, it is widely used in plastic film, material of lamination moulding and injection moulding as well as preferable brightening efficiency on polyolefin, PVC, PVC foaming, TPR, EVA and PU foaming together with coating, natural lacquer, etc. It also has specially good effect\u00a0 on foaming plastics, especially EVA, PE foaming.<\/td>\n<\/tr>\n

Properties:<\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0Colors\u00a0appear\u00a0more\u00a0brilliant<\/p>\n

\u2022 \u00a0\u00a0\u00a0\u00a0Environmentally\u00a0friendly<\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0Excellent\u00a0brightening\u00a0ability<\/p>\n

\u2022\u00a0\u00a0\u00a0\u00a0\u00a0Produce\u00a0a\u00a0bluish\u00a0tinge, masking\u00a0yellowness<\/p>\n

\u2022 \u00a0\u00a0\u00a0\u00a0Whiter-than-white\u00a0appearance.<\/td>\n<\/tr>\n

Dosage:<\/p>\n

It is commonly used in<\/b><\/strong>\u00a0the<\/b><\/strong>\u00a0amount<\/b><\/strong>\u00a0of<\/b><\/strong>\u00a00.02-0.05%<\/b><\/strong>,\u00a0 each 1 00kg of the materials, the optical brightener OB- 1 takes 20g-50g or can be adjusted acco rding to the requirements of the product or test.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"

CAS NO.:\u00a01533-45-5<\/p>\n

Molecular formula:C28H18N2O2<\/p>\n

Applications:Mostly used in the brightening the products of synthetic fiber and plastics, it is widely used in plastic film, material of lamination moulding and injection moulding as well as preferable brightening efficiency on polyolefin, PVC, PVC foaming, TPR, EVA and PU foaming together with coating, natural lacquer, etc. It also has specially good effect on foaming plastics, especially EVA, PE foaming.<\/p>","protected":false},"featured_media":3741,"template":"","meta":[],"product_brand":[],"product_cat":[111],"product_tag":[376],"class_list":{"0":"post-3739","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ob","7":"product_tag-ob-1","8":"stm_brands-honor-additives","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.honorpigment.com\/uz\/wp-json\/wp\/v2\/product\/3739","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.honorpigment.com\/uz\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.honorpigment.com\/uz\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/www.honorpigment.com\/uz\/wp-json\/wp\/v2\/product\/3739\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.honorpigment.com\/uz\/wp-json\/wp\/v2\/media\/3741"}],"wp:attachment":[{"href":"https:\/\/www.honorpigment.com\/uz\/wp-json\/wp\/v2\/media?parent=3739"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.honorpigment.com\/uz\/wp-json\/wp\/v2\/product_brand?post=3739"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.honorpigment.com\/uz\/wp-json\/wp\/v2\/product_cat?post=3739"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.honorpigment.com\/uz\/wp-json\/wp\/v2\/product_tag?post=3739"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}