{"id":35931,"date":"2021-11-14T12:16:18","date_gmt":"2021-11-14T12:16:18","guid":{"rendered":"https:\/\/www.alquera.com\/?post_type=product&p=35931"},"modified":"2024-08-21T07:48:44","modified_gmt":"2024-08-21T07:48:44","slug":"tubos-de-ensayo-de-vidrio-borosilicato","status":"publish","type":"product","link":"https:\/\/www.alquera.com\/en\/tubos-de-ensayo-de-vidrio-borosilicato\/","title":{"rendered":"Borosilicate Glass Test Tubes"},"content":{"rendered":"

Product: Borosilicate glass test tube. Made of borosilicate glass LBG 3.3. Without rim.<\/p>\n

LBG 3.3 is a borosilicate glass with a minimum silica content of 80% and a very low coefficient of expansion (3.3-10-6 K-1) which belongs to the group of \"3.3\" borosilicates as defined in ISO 3585. It is used in products where chemical resistance, mechanical strength and resistance to sudden changes in temperature must be combined, and because of this unique combination of properties it is the reference glass type from which most laboratory products are made.<\/p>\n

BOROSILICATE GLASS TEST TUBES MEASURES<\/h2>\n\n\n\n\n\n\n
capacity<\/span><\/td>\nOuter \u00d8(mm)<\/span><\/td>\nl (mm)<\/span><\/td>\nthickness (mm)<\/span><\/td>\n<\/td>\n<\/tr>\n
8 ml<\/td>\n13<\/td>\n100<\/td>\n0,8 – 1,0<\/td>\n<\/tr>\n
10 ml<\/td>\n16<\/td>\n100<\/td>\n1.0<\/td>\n<\/tr>\n
19 ml<\/td>\n16<\/td>\n150<\/td>\n1.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

PHYSICAL AND CHEMICAL PROPERTIES OF BOROSILICATE GLASS LGB 3.3<\/h2>\n

Coefficient of linear expansion (@ 20\/300 \u00baC): 3.3-10-6 K-1
\nAnnealing temperature (Strain point): 520 \u00b0C
\nAnnealing point temperature: 560 \u00b1 10 \u00b0C
\nSoftening temperature (Softening point): 820 \u00b1 10 \u00b0C
\nDensity: 2,23 \u00b1 0,02 g\/cm\u00b3
\nHydrolytic resistance (according to ISO 719, water at 98 \u00baC): Class 1
\nHydrolytic resistance (according to ISO 720, water at 121 \u00baC): Class 1
\nAcid resistance (according to ISO 1776): Class 1
\nAlkali resistance (according to ISO 695): Class 2
\nTypical composition
\n80,4% by weight SiO2
\n13,0% by weight B2O3
\n4,2% wt\/wt Na2O
\n2,4% by weight Al2O3<\/p>","protected":false},"excerpt":{"rendered":"

Producto: Tubo de ensayo de vidrio borosilicato. Fabricado en vidrio borosilicato LBG 3.3. Sin reborde. LBG 3.3 es un vidrio borosilicato con un contenido m\u00ednimo en s\u00edlice del 80% y muy bajo coeficiente de expansi\u00f3n (3,3\u202210-6 K-1) que pertenece al grupo de los borosilicatos tipo \u201c3.3\u201d tal como se definen en la norma ISO 3585. […]<\/p>\n","protected":false},"featured_media":35941,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[21],"product_tag":[],"class_list":{"0":"post-35931","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-productos","7":"pa_unidades-297","8":"pa_unidades-304","9":"desktop-align-left","10":"tablet-align-left","11":"mobile-align-left","12":"ast-product-gallery-layout-horizontal-slider","13":"ast-product-gallery-with-no-image","14":"ast-magnify-disabled","15":"ast-product-single-variable","16":"ast-product-tabs-layout-horizontal","17":"ast-qv-on-image","19":"first","20":"instock","21":"taxable","22":"shipping-taxable","23":"purchasable","24":"product-type-variable","25":"has-default-attributes"},"acf":[],"yoast_head":"\nTubos de Ensayo de Vidrio Borosilicato: Comprar Online - Alquera.com<\/title>\n<meta name=\"description\" content=\"ENV\u00cdOS EN 24\/48H. 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