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Conduct Research Top

  • Kinematic Viscosity
    Kinematic viscosity is the time required for a fixed amount of fluid or oil to flow through a capillary tube under the force of gravity.  Units of kinematic viscosity are stoke, centistoke (1/100 of a stoke) and Saybolt Universal Seconds (SUS). Saybolt Universal Seconds or Saybolt Universal
  • UCON Fluids and Lubricants
    and characteristics: Viscosity - UCON fluids and lubricants are commercially available in a series of viscosities that range from 55 to more than 300,000 Saybolt Universal Seconds (12 to >65,000 Centistokes) at 38°C (100°F). They show less change in viscosity with temperature change than do petroleum
  • Inline Process Color Measurement
    of the more popular scales are described below. The APHA (American Public Health Association) scale is based on yellowness. Originally created to measure waste water, the APHA scale is based off water dilutions of platinum-cobalt (PtCo). Saybolt and ASTM color scale are common to the petroleum industry
  • Analyze Naphtha Quality in Crude Distillation Unit
    hydrocarbon drawn off the top of the column. Because it has very low levels of impurities, naphtha normally has a clear, “water-white” visual appearance. The quality of naphtha is measured using the Saybolt ASTM D156 color testing standard as well as other methods. High quality naphtha typically
  • Flow Instruments Based on Differential Pressures
    and usually is highly sensitive to temperature, "thinning " as temperature rises. Many techniques have been developed to measure viscosity resulting in a number of different units such as centistokes (cST), centipoise (cP), and Saybolt Universal Seconds (SSU). The units can be converted from one to the other
  • Gear Pump Material Compatibility and Viscosity Conversion
    , molasses has a higher viscosity than water. Viscosity is usually expressed in Saybolt Universal Seconds (S.S.U.) although there are various other systems. Specific gravity is the ratio of the weight of a known volume of a material to the. weight of an equal volume of water at 40 oF. Thus at 40

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