{"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\/it\/prodotto\/blaine-air-permeability-apparatus\/","title":{"rendered":"Apparecchio di permeabilit\u00e0 all'aria Blaine"},"content":{"rendered":"<p>L'apparecchio per la permeabilit\u00e0 all'aria Blaine \u00e8 utilizzato per determinare in modo affidabile e riproducibile l'area superficiale specifica (finezza Blaine) di cemento, calce e altri leganti fini. L'apparecchio \u00e8 costituito da un manometro di precisione in vetro, un fluido manometrico, un disco filtrante, un supporto di prova, uno stantuffo in gomma, un imbuto e componenti di precisione del pistone. Il test si basa sul principio del passaggio dell'aria attraverso un campione di cemento di volume e porosit\u00e0 noti, sotto una differenza di pressione costante. Il tempo di passaggio dell'aria misurato \u00e8 direttamente correlato alle dimensioni delle particelle e all'area superficiale del materiale. Quando questo tempo viene calcolato con l'equazione di Blaine, viene espresso come area superficiale specifica del cemento (cm\u00b2\/g). L'apparecchio \u00e8 realizzato in vetro borosilicato per garantire risultati di alta precisione e tenuta d'aria. Il tubo del manometro \u00e8 contrassegnato da una scala graduata per letture chiare e precise. La cella di Blaine, realizzata in ottone lavorato, fornisce valori di porosit\u00e0 riproducibili per ogni campione. L'utente determina la costante di prova attraverso la calibrazione con il cemento di riferimento e poi misura il campione di prova utilizzando la stessa procedura per calcolare la finezza. La cella Blaine, completa di corpo, disco perforato e pistone, \u00e8 montata su una base metallica rigida e progettata per mantenere una densit\u00e0 di riempimento costante del campione. Un supporto filtrante adeguatamente poroso assicura un flusso d'aria laminare e la stabilit\u00e0 della misura. I componenti volumetrici in vetro trasparente, il posizionamento isolato termicamente e l'indicatore opzionale della temperatura ambiente contribuiscono a mantenere l'equilibrio termico e a ridurre al minimo le incertezze legate alla viscosit\u00e0. La calibrazione pu\u00f2 essere eseguita rapidamente utilizzando materiale di riferimento, garantendo la tracciabilit\u00e0 tra lotti diversi. Le superfici lisce, le guarnizioni resistenti agli agenti chimici e il design della cella facilmente rimovibile consentono una pulizia e un riassemblaggio rapidi. Il sistema \u00e8 disponibile con una singola stazione o con celle multiple in parallelo, con materiali di consumo e parti di ricambio come filtri, dischi e pistoni completamente compatibili all'interno della stessa piattaforma. L'architettura dell'apparecchiatura \u00e8 stata sviluppata per soddisfare i requisiti di accuratezza dimensionale e di controllo del tempo\/pressione specificati negli standard ASTM C204, EN 196-6 e AASHTO T153. Ci\u00f2 garantisce risultati di finezza Blaine standardizzati, comparabili e riportabili per il controllo di qualit\u00e0 della produzione, i test di accettazione e gli studi di ricerca e sviluppo. La struttura resistente e i bassi requisiti di manutenzione garantiscono prestazioni stabili per molti anni.<\/p>","protected":false},"excerpt":{"rendered":"<p><span lang=\"TR\">L'apparecchio per la permeabilit\u00e0 all'aria di Blaine \u00e8 un dispositivo di laboratorio di precisione che misura l'area superficiale specifica (finezza di Blaine) del cemento e di altri leganti fini cronometrando il flusso d'aria attraverso un campione impacchettato sotto pressione controllata, garantendo risultati accurati, riproducibili e conformi agli standard.<\/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 v27.7) - 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