PolySi Lubricants’ Lab Scope

What is the Laboratory Scope?

An important piece of laboratory effectiveness is having a defined laboratory scope. The following chart lists the inspections, tests, and calibration methods PolySi® Lubricants utilizes. This scope can change based upon customer needs and is focused on producing the highest quality finished goods in the lubricants industry.

PolySi® Lubricants’ Laboratory Scope

Test Use Equipment Method
Penetration Determine the consistency of semisolids Penetrometers, Grease Worker, Cooling Plate, Bath, Thermometer ASTM D217, ASTM D1403
Four-Ball Wear with Coefficient of Friction Determine the wear characteristics of lubricants Four-Ball Wear Tester, Microscope, Force Gauge ASTM D2266
Oil Separation, Wire Cone Determine the tendency of grease to lose oil Oil Separation Test Apparatus, Balance, Oven ASTM D6184, FTM791.321.3
Evaporation Determine the tendency of grease to lose mass at elevated temperature Glass Petri Dishes, Balance, Oven ASTM D972, CTM-1, FTM791.321.3
Specific Gravity Determine the specific gravity/density of materials Pycnometer, Balance, Oven, Environmental Chamber, Cooling Plate CTM-2
Copper Corrosion Determine the tendency of materials to attack yellow metals Copper Coupons, Glassware ASTM D4048
Kinematic Viscosity Determine how viscous a liquid is Viscometer Tubes, Viscometer Bath, Thermometer ASTM D445
Dropping Point Determine the melting point of grease or bleed at very high temperatures for non-melting systems Dropping Point Tester, Thermometers, DP Test Apparatus ASTM D2265
Low-Temperature Torque Determine grease mobility at low temperatures. Environmental Chamber, LTT Apparatus, Force Gauge, Computer ASTM D1478
Apparent Viscosity, Rheology Establish grease flow behavior at differing shear conditions and temperatures. Brookfield Viscometer, Computer, Bath, Environmental Chamber, Stands/Clamps CTM-3
Hegman Determine the degree of dispersion of solids in products. Hegman Gauge CTM-4
Chemistry by FT-IR Determine the presence of certain covalent bonds in compounds that make up materials. FT-IR Per FT-IR Operating Instructions
pH Determine the acidity/alkalinity of aqueous systems. pH Meter Per pH Meter Operating Instructions
Oil Separation, Storage (DIN) Determine oil separation characteristics of grease. DIN Oil Separation Apparatus, Oven, Balance IP 121, DIN 51, 817
Pour Point Determine the temperature which oil ceases to flow Environmental Chamber, Pour Point Apparatus, Thermometer ASTM D97
Calibration of Temperature Measurement Devices Checking calibration Thermometer 61220-601, bath Calibration LT##
Calibration of Penetrometers Checking calibration Gage blocks Calibration LPEN#
Calibration of Brookfield Viscometer Checking calibration Reference fluid Calibration LBV#
Calibration of pH Meter Recalibration pH Standards Instructions on device