{"id":11732,"date":"2025-12-31T11:09:59","date_gmt":"2025-12-31T11:09:59","guid":{"rendered":"https:\/\/ykmtest.com\/?post_type=product&#038;p=11732"},"modified":"2025-12-31T11:09:59","modified_gmt":"2025-12-31T11:09:59","slug":"blaine-air-permeability-apparatus","status":"publish","type":"product","link":"https:\/\/ykmtest.com\/french\/produit\/blaine-air-permeability-apparatus\/","title":{"rendered":"Appareil de mesure de la perm\u00e9abilit\u00e9 \u00e0 l'air de Blaine"},"content":{"rendered":"<p>L'appareil de perm\u00e9abilit\u00e9 \u00e0 l'air de Blaine est utilis\u00e9 pour d\u00e9terminer de mani\u00e8re fiable et reproductible la surface sp\u00e9cifique (finesse de Blaine) du ciment, de la chaux et d'autres liants fins. L'appareil se compose d'un manom\u00e8tre de pr\u00e9cision en verre, d'un liquide de manom\u00e8tre, d'un disque filtrant, d'un banc d'essai, d'un piston en caoutchouc, d'un entonnoir et de composants de piston de pr\u00e9cision. Le test est bas\u00e9 sur le principe du passage de l'air \u00e0 travers un \u00e9chantillon de ciment de volume et de porosit\u00e9 connus sous une diff\u00e9rence de pression constante. Le temps de passage de l'air mesur\u00e9 est directement li\u00e9 \u00e0 la taille des particules et \u00e0 la surface du mat\u00e9riau. Lorsque ce temps est calcul\u00e9 \u00e0 l'aide de l'\u00e9quation de Blaine, il est exprim\u00e9 en tant que surface sp\u00e9cifique du ciment (cm\u00b2\/g). L'appareil est fabriqu\u00e9 en verre borosilicat\u00e9 pour garantir des r\u00e9sultats de haute pr\u00e9cision et l'\u00e9tanch\u00e9it\u00e9 \u00e0 l'air. Le tube du manom\u00e8tre est marqu\u00e9 d'une \u00e9chelle gradu\u00e9e pour une lecture claire et pr\u00e9cise. La cellule de Blaine, en laiton usin\u00e9, fournit des valeurs de porosit\u00e9 reproductibles pour chaque \u00e9chantillon. L'utilisateur d\u00e9termine la constante d'essai par \u00e9talonnage avec du ciment de r\u00e9f\u00e9rence, puis mesure l'\u00e9chantillon d'essai en utilisant la m\u00eame proc\u00e9dure pour calculer la finesse. La cellule de Blaine, comprenant le corps, le disque perfor\u00e9 et le piston, est mont\u00e9e sur une base m\u00e9tallique rigide et con\u00e7ue pour maintenir une densit\u00e9 de tassement constante de l'\u00e9chantillon. Un support de filtre correctement poreux assure un flux d'air laminaire et la stabilit\u00e9 de la mesure. Des composants volum\u00e9triques en verre transparent, un placement isol\u00e9 thermiquement et un indicateur de temp\u00e9rature ambiante en option permettent de maintenir l'\u00e9quilibre thermique et de minimiser les incertitudes li\u00e9es \u00e0 la viscosit\u00e9. L'\u00e9talonnage peut \u00eatre effectu\u00e9 rapidement \u00e0 l'aide d'un mat\u00e9riau de r\u00e9f\u00e9rence, ce qui garantit la tra\u00e7abilit\u00e9 entre les diff\u00e9rents lots. Les surfaces lisses, les joints r\u00e9sistants aux produits chimiques et la conception de la cellule facilement d\u00e9montable permettent un nettoyage et un r\u00e9assemblage rapides. Le syst\u00e8me est disponible avec une seule station ou plusieurs cellules parall\u00e8les, les consommables et les pi\u00e8ces de rechange tels que les filtres, les disques et les pistons \u00e9tant enti\u00e8rement compatibles au sein de la m\u00eame plateforme. L'architecture de l'appareil est d\u00e9velopp\u00e9e pour r\u00e9pondre aux exigences de pr\u00e9cision dimensionnelle et de contr\u00f4le du temps et de la pression sp\u00e9cifi\u00e9es dans les normes ASTM C204, EN 196-6 et AASHTO T153. Cela permet d'obtenir des r\u00e9sultats de finesse Blaine normalis\u00e9s, comparables et pouvant faire l'objet d'un rapport pour le contr\u00f4le de la qualit\u00e9 de la production, les essais d'acceptation et les \u00e9tudes de recherche et d\u00e9veloppement. La construction durable et les faibles besoins de maintenance assurent des performances stables pendant de nombreuses ann\u00e9es.<\/p>","protected":false},"excerpt":{"rendered":"<p><span lang=\"TR\">L'appareil de perm\u00e9abilit\u00e9 \u00e0 l'air de Blaine est un appareil de laboratoire de pr\u00e9cision qui mesure la surface sp\u00e9cifique (finesse de Blaine) du ciment et d'autres liants fins en chronom\u00e9trant le flux d'air \u00e0 travers un \u00e9chantillon emball\u00e9 sous une pression contr\u00f4l\u00e9e, ce qui garantit des r\u00e9sultats pr\u00e9cis, reproductibles et conformes aux normes.<\/span><\/p>","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[167,159],"product_tag":[],"class_list":{"0":"post-11732","1":"product","2":"type-product","3":"status-publish","5":"product_cat-blaine-air-permeability-fineness","6":"product_cat-cement-mortar","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.5 (Yoast SEO v26.5) - 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