Page 8 - LSR on Servocyclotherm G

Introduction of Servocyclotherm G at Digboi Refinery – An Import Substitution

Table 1 : Compatibility Study of Dowcal 100 (diluted, under use) and Servocyclotherm G (fresh)
S.N. Properties Mixing ratio of Dowcal 100 (used and diluted with
water ≈80% as received from DR) and
Servocyclotherm G
90:10 80:20 70:30 50:50
1 K Viscosity @ 40 °C, cSt 1.12 1.43 1.75 2.81
2 K Viscosity @ 10 °C, cSt 2.55 3.47 4.44 7.86
3 K Viscosity @ 0 °C, cSt 3.8 5.15 6.69 12.33
4 K Viscosity @-10 °C, cSt 5.96 8.14 8.26 20.89
5 TAN, mg KOH/g 0.27 0.24 0.21 0.21
6 Refractive Index 1.36025 1.37056 1.37989 1.39682
7 pH 8.37 8.35 8.35 8.31
8 Reserve alkalinity 2.7 3.6 4.5 6.3
9 ERBP 100 104 106 109

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