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Benefits HITEMP 500 The high qualityheat transfer fluid of superior thermal stability, produced from a highly refined paraffinic base oil and contain antioxidants, which provide good thermal stability and long service life. It is recommended for use in closed indirect heating systems. •Exhibits good thermal and oxidation stability to resist sludge formation •Characterizes low evaporation loss •Provides high flash point and good low-temperature flow characteristics •Non-corrosive and non-toxic Page 1/2 HITEMP 500 REVISION 0 / 2023 •Suitable for closed indirect heating systems which operating temperature below 260 °C. •Can be used in heat transfer systems requiring temperature control in all industries such as dye-works, bleaching plants ,plastics and plywood industries. •Service life of 4-6 years depending on operating temperature and applications. Product Description Applications For more information pleasecontact: Lubricants Technical Services Division PTT OILAND RETAIL BUSINESS PUBLIC COMPANY LIMITED Tel: +66 2239 7847 Hotline : 1365 Fax: +66 2239 7858 E-mail :pttlubricants@pttor.com Typical Characteristics Page 2/2 HITEMP 500 REVISION 0 / 2023 HITEMP 500 For more information pleasecontact: Lubricants Technical Services Division PTT OILAND RETAIL BUSINESS PUBLIC COMPANY LIMITED Tel: +66 2239 7847 Hotline : 1365 Fax: +66 2239 7858 E-mail :pttlubricants@pttor.com Note:Dataandinformationcontainedinthispublicationarebasedonstandardtestunderlaboratoryconditionsand/orperformancetest.To considertheuseofPTTLubricants’productsinparticularapplication,customerisresponsiblefordeterminingwhetherproductand informationareappropriateforcustomerconditionsorshouldconsultwithPTTLubricants’technicalservicedivision.Theprocedureof usinganylubricantmaydifferorchangedependedondifferentmachinesandtheirmanuals.Therefore,werecommendtoread, understandandreviewthelatestSDSinordertoensuretheuseofproductisaccomplishedsafety. Professional Lubricant Service Partner Tests Methods Units Results Density at15°C ASTM D4052 g/cm 3 0.8523 Density at30°C ASTM D4052 g/cm 3 0.8428 Kinematic Viscosity at 40 o C ASTM D445 mm 2 /s 28.87 Flash Point(COC) ASTM D92 °C 238 AutoignitionTemperature ASTM D2155 °C 350 Maximum bulktemperature °C 320 Maximum filmtemperature °C 340 Physical & ThermalProperties versusTemperature Unit 100°C200 °C300 °C Density ASTM D4052 g/cm 3 0.80210.73910.6755 Kinematic Viscosity ASTMD445 mm 2 /s 5.51 1.45 0.72 Specific Heat kJ/kg∙K 2.31 2.91 3.69 Thermal Conductivity W/m∙K 0.128 0.113 0.100 Vapor Pressure kPa 0.000 0.127 8.390 Health and Safety Thisproductshowsnosignificant healthorsafetyhazardwhenused undertherecommendedapplications andsuitablehandling. Avoidthedirectcontact.Washimme- diatelyaftercontact.Healthandsafety informationisavailableontheSafety DataSheet(SDS)whichcanbeobtained fromhttp://pttlubricants.pttor.com Performance Standards •Heat transfer fluid Q according to DIN 51522 •Classified as ASTM (ISO) 6743 Part 12: Family Q •Meets ISO-L(QB 300) and ISO-L(QC 320) requirements
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