Lubricant Standards
Classification systems and grading standards used in lubricant specifications. Understanding these standards is essential for proper lubricant selection.
Grease Standards
Viscosity Standards
ISO Standards
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ISO 3016 (Pour Point) Quick Reference
Quick reference overview for ISO 3016 pour point testing (overview only).
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ISO 3016 (Pour Point)
High-level reference for ISO 3016 pour point testing (overview only).
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ISO 6743-9 Grease Classification — Overview
High-level overview of ISO 6743-9 as a general grease classification framework (reference only; not a substitute for OEM specs).
Food-Grade Standards
Other Standards
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ASTM D1264 Water Washout — Overview
High-level overview of ASTM D1264 water washout test for greases (general reference).
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ASTM D1264 (Water Washout) Overview
High-level reference for ASTM D1264 water washout testing for greases (overview only).
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ASTM D1298 (Density/API Gravity) Quick Reference
Quick reference overview for ASTM D1298 density and API gravity by hydrometer (overview only).
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ASTM D1298 (Density / API Gravity by Hydrometer) Overview
High-level reference for ASTM D1298 density and API gravity determination by hydrometer (overview only).
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ASTM D130 (Copper Corrosion) Overview
High-level reference for ASTM D130 copper strip corrosion testing (overview only).
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ASTM D130 (Copper Strip Corrosion) Overview
High-level reference for ASTM D130 copper strip corrosion testing (overview only).
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ASTM D1401 (Water Separability) Overview
High-level reference for ASTM D1401 water separability (demulsibility) testing (overview only).
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ASTM D1500 (Color) Quick Reference
Quick reference overview for ASTM D1500 color determination (overview only).
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ASTM D1500 (Color of Petroleum Products)
High-level reference for ASTM D1500 color determination (overview only).
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ASTM D1741 (Water Washout) Overview
High-level reference for ASTM D1741 water washout resistance testing for greases (overview only).
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ASTM D1743 Rust Prevention — Overview
High-level overview of ASTM D1743, commonly referenced for rust-preventing properties of greases in the presence of water (general reference).
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ASTM D217 (Worked Penetration) Overview
High-level reference for ASTM D217 worked penetration testing for greases (overview only).
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ASTM D2265 Grease Dropping Point — Overview
General reference on grease dropping point and what it does/doesn’t imply about service temperature.
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ASTM D2265 (Grease Dropping Point) Overview
High-level reference for ASTM D2265 dropping point testing for lubricating grease (overview only).
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ASTM D2266 (Grease Dropping Point) Overview
High-level reference for ASTM D2266 dropping point test for lubricating greases (overview only).
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ASTM D2270 (Viscosity Index) Quick Reference
Quick reference overview for ASTM D2270 viscosity index calculation (overview only).
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ASTM D2270 (Viscosity Index) Overview
High-level reference for ASTM D2270 viscosity index calculation (overview only).
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ASTM D2272 (RPVOT Oxidation Stability) Overview
High-level reference for ASTM D2272 rotating pressure vessel oxidation test (overview only).
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ASTM D2500 (Cloud Point) Quick Reference
Quick reference overview for ASTM D2500 cloud point testing (overview only).
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ASTM D2500 (Cloud Point)
High-level reference for ASTM D2500 cloud point testing (overview only).
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ASTM D2596 (Four-Ball EP) Overview
High-level reference for ASTM D2596 four-ball extreme-pressure testing (overview only).
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ASTM D2596 (Four-Ball EP Test) — Overview
High-level overview of ASTM D2596 four-ball EP test metrics commonly cited for greases (general reference).
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ASTM D2783 (Four-Ball EP) Overview
High-level reference for ASTM D2783 extreme-pressure (EP) four-ball testing (overview only).
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ASTM D2896 (Total Base Number) Overview
High-level reference for ASTM D2896 total base number (TBN) testing (overview only).
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ASTM D2983 (Low-Temperature Viscosity of Automotive Fluids) Overview
High-level reference for ASTM D2983 apparent viscosity at low temperature (overview only).
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ASTM D3336 High-Temperature Grease Life — Overview
General reference for ASTM D3336, sometimes cited for high-temperature automotive wheel bearing grease performance (comparative).
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ASTM D3527 (High-Temperature Grease Life) Overview
High-level reference for ASTM D3527 high-temperature wheel bearing grease life test (overview only).
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ASTM D3527 High-Temperature Grease Life — Overview
General reference for ASTM D3527, commonly cited for automotive wheel bearing grease life at elevated temperature (comparative).
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ASTM D4048 Copper Corrosion (Grease) — Overview
General reference for ASTM D4048, often cited as a grease copper corrosion test under specified conditions (comparative).
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ASTM D4049 (Water Spray-Off) Overview
High-level reference for ASTM D4049 water spray-off testing for greases (overview only).
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ASTM D4172 (Four-Ball Wear) Overview
High-level reference for ASTM D4172 four-ball wear testing (overview only).
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ASTM D445 (Kinematic Viscosity) Quick Reference
Quick reference overview for ASTM D445 kinematic viscosity testing (overview only).
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ASTM D445 (Kinematic Viscosity) Overview
High-level reference for ASTM D445 kinematic viscosity testing (overview only).
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ASTM D4683 (HTHS Viscosity) Quick Reference
Quick reference overview for ASTM D4683 high-temperature high-shear (HTHS) viscosity testing (overview only).
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ASTM D4683 (High-Temperature High-Shear Viscosity) Overview
High-level reference for ASTM D4683 HTHS viscosity testing (overview only).
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ASTM D4950 (Grease Service Classification) Overview
High-level reference for ASTM D4950 grease performance classification (overview only).
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ASTM D5293 (CCS Viscosity) Quick Reference
Quick reference overview for ASTM D5293 cold cranking simulator (CCS) apparent viscosity testing (overview only).
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ASTM D5293 (CCS Viscosity) Overview
High-level reference for ASTM D5293 cold-cranking simulator (CCS) viscosity testing for engine oils (overview only).
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ASTM D5800 (Noack Volatility) Quick Reference
Quick reference overview for ASTM D5800 Noack volatility (overview only).
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ASTM D5800 (Noack Volatility) Overview
High-level reference for ASTM D5800 Noack volatility testing for lubricating oils (overview only).
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ASTM D6082 (Viscosity Shear Stability, Engine Oils) Overview
High-level reference for ASTM D6082 shear stability of engine oils (overview only).
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ASTM D6184 Oil Separation — Overview
High-level overview of ASTM D6184, commonly used to describe grease oil separation behavior under defined conditions (general reference).
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ASTM D6304 (Water by Karl Fischer) Quick Reference
Quick reference overview for ASTM D6304 water determination by Karl Fischer titration (overview only).
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ASTM D6304 (Water by Karl Fischer) Overview
High-level reference for ASTM D6304 determination of water in petroleum products by Karl Fischer titration (overview only).
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ASTM D664 (TAN) Quick Reference
Quick reference overview for ASTM D664 total acid number (TAN) testing (overview only).
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ASTM D664 (Total Acid Number) Overview
High-level reference for ASTM D664 total acid number (TAN) testing (overview only).
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ASTM D665 (Rust Prevention) Overview
High-level reference for ASTM D665 rust prevention testing for oils (overview only).
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ASTM D892 (Foaming Characteristics, Parts I–III) Overview
High-level reference for ASTM D892 foaming tendency/stability across Parts I–III temperature stages (overview only).
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ASTM D892 (Foaming Characteristics) Quick Notes
High-level quick notes for ASTM D892 foaming characteristics testing (overview only).
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ASTM D892 (Foaming Characteristics) Overview
High-level reference for ASTM D892 foaming characteristics testing (overview only).
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ASTM D92 (Flash Point, COC) Quick Reference
Quick reference overview for ASTM D92 Cleveland Open Cup flash point testing (overview only).
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ASTM D92 (Flash Point, Cleveland Open Cup) Overview
High-level reference for ASTM D92 flash point testing using Cleveland Open Cup (overview only).
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ASTM D93 (Flash Point, Pensky-Martens) Quick Reference
Quick reference overview for ASTM D93 Pensky-Martens flash point testing (overview only).
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ASTM D93 (Flash Point, Pensky-Martens) Overview
High-level reference for ASTM D93 flash point determination using Pensky-Martens closed cup (overview only).
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ASTM D942 Grease Oxidation Stability — Overview
High-level overview of ASTM D942, a test method for oxidation stability of lubricating greases (general reference).
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ASTM D97 (Pour Point) Quick Reference
Quick reference overview for ASTM D97 pour point testing (overview only).
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ASTM D97 (Pour Point) Overview
High-level reference for ASTM D97 pour point testing (overview only).
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Lubricant Base Oil Types
Classification of base oils used in lubricants including API groups, mineral oils, and synthetic base stocks with their properties and applications.
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DIN 51502 Grease Classification (Overview)
High-level overview of DIN 51502 grease designation fields (general reference).
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Grease Thickener Types
Classification of grease thickener systems including simple soaps, complex soaps, and non-soap thickeners with their characteristics and applications.