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Light TransmittanceSpectral Durchlässigkeit Transmittance des Spektrums100908070Transmittance Durchlässigkeit (%)605040Wanddicke wall thickness 1 mm 1 mmWanddicke wall thickness 2 mm 2 mmWanddicke wall thickness 5 mm 5 mmWanddicke wall thickness 9 mm 9 mm30201000 1000 2000 3000 4000 5000 6000Wave Wellenlänge length (nm)ELECTRICAL PROPERTIES OF SIMAX GLASSAt usual temperatures, the SIMAX glass is a non-conducting material – it is an insulant.• Specific resistance in damp-proof medium (20 °C) higher than10 13 –10 15 Ω.cm• Permittivity ε (20 °C, 1 MHz) 4.6• Loss angle tg δ (20 °C, 1 MHz) 4.9x10 –3Dielectric losses increase sharply with rising temperature and they change with frequency.Plastic accessoriesThe Simax laboratory glassware are complemented with various plastic accessories, the properties ofwhich can be found in the tables below.Plastics used with laboratory glassMaterials for laboratory glassware complementsType Name Temperature resistance (°C)PE Polyethylene – 40 to + 80PP Polypropylene – 40 to + 140PBT Poly(butylene terephthalate) – 45 to + 180PTFE Polytetrafluoroetylene – 200 to + 260ETFE Ethylene-tetrafluoroetylene – 100 to + 180VMQ Silicone rubber – 50 to + 230NR Food rubber – 40 to + 70FKM Fluorinated rubber – Viton – 20 to + 200N.K. Natural cork – 20 to + 2004