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Table 6

Yield point and viscosity of oils in the South Turgay basin with and without additives.

T (°C) τ 0 (Pa) Viscosity (Pa s)
Kumkol HT 60 °C
 25 0 0.004
 20 0 0.005
 15 0 0.011
 10 0.08 0.063
 5 0.40 0.163
 0 1.62 0.489
Kumkol + EVA-M, 300 ppm
 20 0 0.005
 15 0 0.008
 10 0 0.013
 5 0 0.018
 0 0.05 0.028
 −5 0.12 0.083
Aschysay HT 60 °C
 25 0 0.017
 20 0.14 0.048
 15 0.68 0.296
 10 3.00 1.126
Aschysay + EVA-M, 300 ppm
 25 0 0.015
 20 0.02 0.024
 15 0.20 0.092
 10 0.62 0.252
 5 4.01 1.293

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