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Specifications Based on NIST value of 1.0016 centipoise for water at 20C; conforms to ASTM Standards D 445, D 88 and D 2161; traceable to NISTApproximate viscosities at varying temperatures in centistokes and centipoises are given in Table 1; each standard is furnished with actual viscosity and density values. 9727C35, C40 and C60 Viscosity Standards are also used for Saybolt viscosity determinations and include Saybolt viscosity values.TABLE 1: Kinematic Viscosity, cSt / CentipoiseThomas. No.Visc. Std.20°C 68°F25°C 77°F37.78°C 100°F40°C 104°F Kinematic Viscosity, cSt / Centipoise9727C10N.4**0.47 / 0.310.45 / 0.290.41 / 0.260.40 / 0.269727C15N.8**0.95 / 0.730.89 / 0.680.77 / 0.580.75 / 0.569727C20N1.0**1.3 / 1.01.2 / 0.931.0 / 0.780.97 / 0.769727C25S3*4.6 / 3.94.0 / 3.33.0 / 2.52.9 / 2.49727C30S611 / 9.18.9 / 7.66.0 / 5.15.7 / 4.89727C32N1021 / 1817 / 1511 / 9.410 / 8.89727C35S2044 / 3834 / 3120 / 1818 / 169727C37N3587 / 7666 / 5735 / 3032 / 279727C40S60170 / 150120 / 10060 / 5154 / 469727C42N100330 / 290230 / 210110 / 9497 / 849727C45S200660 / 560460 / 400200 / 170180 / 1509727C47N3501,300 / 1,100850 / 750350 / 310310 / 2709727C50S6002,400 / 2,1001,600 / 1,400600 / 530520 / 4509727C52N10003,400 / 2,9002,400 / 2,000- / -940 / 8009727C55S20009,600 / 7,6005,900 / 4,9002,000 / 1,7001,700 / 1,5009727C57N400020,000 / 17,00012,000 / 11,000- / -3,400 / 2,9009727C60S800041,000 / 33,00025,000 / 20,0008,000 / 7,0006,700 / 5,9009727C62N1500077,000 / 68,00047,000 / 41,000- / -13,000 / 11,0009727C65S30000-89,000 / 80,00028,000 / 25,00023,000 / 21,000TABLE 1: Kinematic Viscosity, cSt / Centipoise (continued)Thomas. No.Visc. Std.50°C 122°F60°C 140°F98.89°C 210°F100°C 212°F Kinematic Viscosity, cSt / Centipoise9727C10N.4**- / -- / -- / -- / -9727C15N.8**- / -- / -- / -- / -9727C20N1.0**0.91 / 0.71- / -- / -- / -9727C25S3*2.4 / 1.9- / -1.2 / 0.91.2 / 0.99727C30S64.4 / 3.7- / -1.8 / 1.51.8 / 1.49727C32N107.3 / 6.2- / -2.7 / 2.22.7 / 2.29727C35S2013 / 11- / -3.9 / 3.33.8 / 3.29727C37N3521 / 18- / -5.4 / 4.45.3 / 4.39727C40S6035 / 30- / -7.4 / 6.17.2 / 6.09727C42N10060 / 50- / -11 / 9.211 / 9.09727C45S200105 / 90- / -17 / 1416 / 139727C47N350170 / 150- / -24 / 2023 / 199727C50S600280 / 240- / -34 / 2933 / 289727C52N1000550 / 460350 / 280- / -50 / 629727C55S2000890 / 770- / -72 / 6569 / 659727C57N40001,600 / 1,400850 / 730- / -120 / 1009727C60S80003,200 / 2,800- / -- / -240 / 2009727C62N150006,100 / 5,4003,000- / 2,600- / -360 / 3009727C65S3000011,000 / 9,500- / -- / -630 / 540*Also 70 cSt at -40°C **Surface shipment to USA and Canada onlyTABLE 2: Approximate Saybolt Viscosity Saybolt Universal Seconds Thomas No.Visc. Std.100°F210°FSaybolt Furol Seconds, 122°F9727C35S20100--9727C37N35170--9727C40S60280--9727C42N100500--9727C45S20093086-9727C47N350-110-9727C50S600-1501309727C60 -361-
