Novaref S.p.A. Sede legale, direzione e stabilimento Viale Del Lavoro, 7 (Z.A.I.), 37030 Colognola ai Colli (Verona) Italy Tel. +39 045 7651633 - Fax +39 045 7651529 e-mail : [email protected] web site: www.novaref.it Nova VHR Technical Data Sheet Newly-designed aluminous roller revealing an excellent mechanical strength to heavy load and high temperature even when there is a chemical aggression by the alkaline vapours released from the glazed or the body. Although fired at high temperature, NOVA VHR also features an excellent resistance to thermal shock thus making this roller extremely versatile in its applications. Typical Use: • Glazed porcelain tiles • Single-firing kilns having a large useful width Black-coloured ends marked with the number identifying the roller type CHEMICAL-PHYSICAL PROPERTIES: Chemical Analysis : Bulk density Al2 O3 75 – 77 % Si O2 16 – 18 % Fe2 O3 0,5 - 0,9 % 2,63 - 2,73 Kg/dm3 Apparent porosity 19 - 22 % Water absorption 7 - 8,5 % Modulus of rupture > 36 N/mm2 Thermal expansion 1000° C 0,58 - 0,63 % Thermal shock resistance VERY GOOD Data reported on this bulletin are the average of values obtained in our laboratory and do not constitute guarantee. Capitale Sociale € 1.278.859,56 i.v. dal socio unico Vetrerie Riunite S.p.A. – Via Calcinese, 60 (Z.A.I.) – 37030 Colognola ai Colli (VR) R.I. di Verona n. 01968040236 – R.E.A. 209092 C.F. 01968040236 – P.I. 06803790010 Novaref S.p.A. società certificata UNI EN ISO9001:2008 – Certificato n. 99368
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