Home News Company Group Products Materials R&D Quality Environment Job Materials: Hydrogenated Nitrile Rubber (HNBR) Home Products Materials Hydrogenated nitrile rubber O-rings Custom products Materials Nitrile rubber Hydrogenated nitrile rubber Ethylene-propylene rubber Fluorinated rubber Silicon rubber Polyacrylic rubber Ethylene-acrylic rubber Epichlorohydrin Materials: Hydrogenated Nitrile Rubber (HNBR) Resistant to : Similar to NBR but with higher service temperatures and better chemical resistance. Resists ozone, diluted acids and bases, hot water with steam Not resistant to : Ketones, esters, aldehydes, aromatic and halogenated hydrocarbons, amines, strong acids MATERIAL HARDNESS COLOR CODE CERTIFICATION / STANDARDS SCHEME NATION TYPE OF CERTIFICATION NOTE HNBR 70 GREEN 0601 HNBR 70 GREY 0602 EN 681-1 CLASS WB EUROPE Hot drinking water not officially certified HNBR 70 GREY 0603 EN 549 D2 H3 EUROPE HNBR 70 GREY 0603 EN 681 CLASS WB EUROPE HNBR 70 GREY 0603 DM 174 ITALY Health fitness HNBR 60 BLACK 0652 HNBR 60 GREEN 0661 HNBR 60 GREEN 0662 HNBR 60 YELLOW 0667 EN 682 CLASS GAL AND GBL EUROPE -15 / 50 ° C Compliant but not officially certified HNBR 70 GREEN 0669 HNBR 70 BLACK 0670 HNBR 70 GREEN 0671 HNBR 70 YELLOW 0672 EN 549 C2 H3 EUROPE -20 / + 100 ° C HNBR 70 YELLOW VP406 GERMANY CS 3000 HOURS HNBR 70 YELLOW VP406 GERMANY Stress-Relaxation HNBR 70 BLACK 0673 HNBR 70 BLACK 0674 HNBR 75 BLACK 0675 HNBR 80 BLACK 0678 HNBR 80 GREEN 0681 HNBR 85 BLACK 0685 HNBR 85 BLACK 0686 EN 549 C2 H3 EUROPE -20 / + 100 ° C Compliant but not officially certified HNBR 85 BLACK R110-R67 EUROPE LPG components Mail: info@ar-tex.it Adress: Via Rasetti 12 - 24060 Viadanica - Bg Phone: 0039.035.939711 Find us on Google map Browse the sitemap: Company History Philosophy Environment Products O-rings Custom products Materials Introduction È dal 1970 che la Ar-tex opera nel mercato italiano e internazionale degli o-rings, delle guarnizioni e degli articoli tecnici in gomma con l'obiettivo fondamentale di soddisfare le esigenze di ogni singolo cliente garantendo il più elevato livello qualitativo a prezzi competitivi. I quarant'anni della nostra attività sono stati caratterizzati da una costante ricerca di una performance qualitativamente eccellente dei nostri prodotti in grado di soddisfare a pieno i nostri clienti. In this direction since the mid-80s we started to develop a quality management system in accordance with the regulations then in force and in 1993 we obtained the ISO 9001 certification. At the beginning of 2002 in order to satisfy the growing demand from our customers in the automotive sector have obtained ISO TS 16949 certification. Ar-tex Spa - Sealing solutions Site made by supportodigitale