{"product_id":"maschera-antipolvere-polveri-vapori-respiratore-a-semimaschera-3m-4251","title":"Maschera antipolvere polveri vapori respiratore a semimaschera 3M 4251","description":"\u003cp\u003e\u003cimg alt=\"\" height=\"182\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0705\/6231\/6425\/files\/fd4b090a3c40742508e95d356b127bfa.png?v=1764590499\" style=\"display: block; margin-left: auto; margin-right: auto;\" width=\"350\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"line-height: 250%;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 12pt;\"\u003e\u003cspan style=\"font-weight: bold; color: red;\"\u003eRespiratore a Semimaschera 3M 4251\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"line-height: 250%;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 12pt;\"\u003eIl respiratore 3M™ 4251 è una semimaschera pronta all’uso, esente da manutenzione, studiata per offrire una protezione efficace e confortevole da vapori organici e polveri presenti in molti settori industriali. L’utilizzo di una tecnologia filtrante esclusiva ha permesso di realizzare un design dal profilo sottile ed ergonomico, che assicura massimo campo visivo per lavorare in condizioni confortevoli.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"line-height: 250%;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 12pt;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 12pt;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0705\/6231\/6425\/files\/b395d59ddf1f750e59c365d0fece4cbd.jpg?v=1764590499\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"width: 700px; height: 134px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"text-align: center; background-color: #ff0000;\"\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 22px;\"\u003eCARATTERISTICHE TECNICHE\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003eArticolo \u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003e4251\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003eLivello di protezione\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003eFFA1P2 R D\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"1\" cellspacing=\"1\" style=\"width: 700px; height: 134px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\" rowspan=\"1\" style=\"text-align: center; background-color: red;\"\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 22px;\"\u003e\u003cspan style=\"font-weight: bold; color: white;\"\u003eCLASSIFICAZIONE DEI FILTRI DI PROTEZIONE\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003eClasse P1\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003eApplicazioni contro aerosol solidi e liquidi (polveri) non tossici in concentrazione fino a 4 TLV. Riduce cioè l'esposizione alle particelle sospese di un fattore di 4 volte.\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003ePresenza di polveri non tossiche, fumi e nebbie. Concentrazione massima di utilizzo FPN 4 per semimaschere e 5 per maschera pieno facciale.\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003eClasse P2\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003eApplicazioni contro aerosol solidi e liquidi (polveri) di bassa e media nocività in concentrazione fino a 12 TLV. Riduce cioè l'esposizione alle particelle sospese di un fattore di 12 volte.\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003ePresenza di polveri da legni non duri, fibra di vetro, metallo e plastica [non da PVC] e nebbie oleose. Concentrazione massima di utilizzo FPN 12 per semimaschere e 20 per maschera pieno facciale.\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003eClasse P3\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003eApplicazioni contro aerosol solidi e liquidi (polveri o nebbie a base oleosa o acquosa) di bassa e media tossicità e altamente tossici in concentrazione fino a 50 x TLV o 20 x l'APF. Riduce cioè l'esposizione alle particelle sospese di un fattore di 50 volte.\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003ePresenza di polveri da metalli altamente tossici, legni duri, sostanze radioattive e biochimiche, nebbie oleose e fumi di saldatura di acciaio inox Concentrazione massima di utilizzo  FPN 50 per semimaschere e 1000 per maschera pieno facciale.\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\" rowspan=\"1\" style=\"vertical-align: top; background-color: red;\"\u003e\u003csmall\u003e\u003csmall\u003e\u003csmall\u003e\u003csmall\u003e\u003csmall\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 22px;\"\u003e\u003cspan style=\"color: white;\"\u003eLegenda\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/small\u003e\u003c\/small\u003e\u003c\/small\u003e\u003c\/small\u003e\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003eTLV \u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\"\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003e(Threshold Limit Value) Concentrazione media ponderata nel tempo di una sostanza alla quale l'operatore si può esporre senza effetti negativi sulla salute.\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003eAPF\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\" style=\"vertical-align: top;\"\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003e(Assigned Protection Factor) Fattore di protezione assegnato.\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"vertical-align: top;\"\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003eFPM\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd colspan=\"2\" rowspan=\"1\" style=\"vertical-align: top;\"\u003e\u003cspan style=\"font-family: arial,helvetica,sans-serif;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003eTramite il FPN si calcola la massima concentrazione alla quale ci si può esporre con il respiratore. La esposizione massima dovrebbe essere infatti uguale al TLV, per cui la massima concentrazione esterna è pari a FPN x TLV.\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":44636164817033,"sku":"90009606","price":29.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/6231\/6425\/files\/maschera-3m-4251-vapori-organici-antipolvere-a1p2_1.jpg?v=1758265517","url":"https:\/\/mesterfer.com\/products\/maschera-antipolvere-polveri-vapori-respiratore-a-semimaschera-3m-4251","provider":"Masterfer","version":"1.0","type":"link"}