Test dust overview

Multipass method for evaluating the filtration performance of a fine hydraulic element
Required contaminants: ISO 12103-1, A2 Fine test dust (AC Fine test dust according to standard is obsolete)
Comments & information: B93.31: Hydraulic Filter Multipass Method is deleted. ISO 16889 has replaced the documents ANSI B93.31 & NFPA T3.10.8.8.

Multi-pass method for evaluating the filter performance of a fine filter for hydraulic fluids
Required contaminants: ISO 12103-1, A2 ultrafine dust (AC ultrafine dust according to the standard is obsolete)
Notes and information: B93.31: The procedure for multiple pass hydraulic filters has been removed. The ISO 16889 standard has replaced the ANSI B93.31 and NFPA T3.10.8.8 documents

Road vehicles - Fuel filters for diesel engines
Required contaminants: ISO 12103-2, M1 and M2 aluminum oxide test dusts
Notes and information: An organic contaminant is also required; see standard 4020 for details.

Initial particle retention efficiency, lifetime and cumulative efficiency (gravimetric method)
Required pollutants: ISO 12103-1, A2 ultrafine dust; ISO 12103-2, M2, M3, M4 and M5 alumina test dust.
Notes and information: A2 ultrafine dust is used for lifetime and cumulative efficiency; M-series alumina test dust is used for initial particle retention

Resistance to high differential pressures and elevated temperatures.
Section 10.1: Testing for resistance to high differential pressure
Required contaminants: ISO 12103-1, A2 fine dust
Notes and information: Test procedure for the strength of the element and the maximum expected differential pressure (collapse)

Filter performance by means of particle counting and retention capacity for contaminants
Required impurities: ISO 12103-1, A3 test dust
Notes and information: The SAE J 1858 method for multiple passes for oil filters has been repealed. The ISO 4548-12 standard has been adopted by the SAE

Hydraulic Oil Filters – Multiple-Pass Method
Required contaminants: ISO 12103-1, A2 fine dust (AC fine dust as per the standard is obsolete)
Notes and information: ISO 4572 “Hydraulic filters – Multiple-pass method” has been withdrawn. ISO 16889 has replaced 4572

Intake air purification systems for combustion engines and compressors
Required pollutants: ISO 12103-1, A2 ultrafine dust and A4 coarse dust
Notes and information: The SAE J 726 test code for air filters has been repealed. The ISO 5011 standard has been adopted by the SAE

Road vehicles – Passenger compartment air filters – Part 1: Particle filtration test
Required pollutants: ISO 12103-1, A2 ultrafine dust
Notes and information: SAE J 1669-1: Particulate matter in the passenger compartment – cancelled. ISO/TS 11155-1 was adopted by the SAE

Diesel and gasoline filters for internal combustion engines – Initial filter performance by particle counting
Required contaminants: ISO 12103-1, A3 test dust
Notes and information: ISO/TS 13353 has been repealed and withdrawn. ISO 19438 has replaced 13353

Hydraulic filter – multiple pass method for evaluating the filter performance of a filter element.
Required contaminants: ISO 12103-1, A3 test dust
Notes and information: ISO 16889 has replaced the 4572 standard "Hydraulic filters – Multi-pass test method"

Hydraulics – Multi-pass method for evaluating the filter performance of a filter element under cyclic flow conditions.
Required contaminants: ISO 12103-1, A2 ultrafine dust
Notes and information: New test method under development by ISO/TC 131/SC6 (BSI)

Diesel and petrol filters for internal combustion engines – filter performance based on particle count and dirt-holding capacity
Required contaminants: ISO 12103-1, A3 test dust
Notes and information: ISO 19438 has replaced standard 13353 “Initial efficiency of fuel filters”

Intake air purification systems for internal combustion engines and compressors – Fractional efficiency testing with particulate matter
Required pollutants: ISO 12103-1, A2 fine dust and A4 coarse dust
Notes and information: This standard was recently published as a TS document by ISO/TC22/SC7/WG3

Intake Air Cleaning Systems for Internal Combustion Engines and Compressors – Testing of Fractional Efficiency with Coarse Particles
Required pollutants: ISO 12103-1, A2 fine dust and A4 coarse dust
Notes and information: This standard was recently published as a TS document by ISO/TC22/SC7/WG3

Test method for fuel filters of gasoline engines in motor vehicles
Required impurities: JIS Z 8901, Class 8 (fine) test dust
Notes and information: ISO 12103-1, A2 Fine dust may be used if noted in the test report and/or with customer approval

Test method for lubricating oil filters in the automotive industry
Required impurities: SOFTC-2A
Notes and information: Gravimetric test method

Test method for air filters for motor vehicles
Required pollutants: JIS Z 8901 test dust of class 7 (coarse) and/or class 8 (fine)
Notes and information: ISO 12103-1, A4 test dust (coarse) and/or A2 test dust (fine) may be used if specified in the test report and/or with customer approval

Automotive parts – Test method for fuel filters for diesel engines
Required contaminants: Organic contamination is also required; see standard D1617 for details. ISO 12103-2 Aluminium oxide test dust JIS Z 8901 Class 8 (fine) test dust
Notes and information: ISO 12103-1, A2 fine dust may be used in place of JIS Z 8901 Class 8 test dust if specified in the test report and/or with customer approval

Hydraulic filter – multi-pass method for evaluating the filter performance
Required contaminants: ISO 12103-1, A2 ultrafine dust (AC ultrafine dust according to standard is obsolete)
Notes and information: T3.10.8.8 "Hydraulic filters – Multiple pass method" has been repealed. ISO 16889 has replaced the documents NFPA and ANSI B93.31

Test standard for air filters
Required pollutants: ISO 12103-1, A2 ultrafine dust and A4 coarse dust
Notes and information: The SAE J 726 test code for air filters has been cancelled. The ISO 5011 standard has been adopted by the SAE

Test methods for oil filters – Section 6: Filter capacity and contaminant retention of full-flow oil filters
Required contaminants: ISO 12103-1, A2 ultrafine dust SOFTC 2A
Notes and information: Gravimetric test method for overall efficiency and capacity

Test method for oil filters, section 7: Single pass particle retention test
Required contaminants: Wide range of glass beads in the 29-470 µm range. Narrow range of glass beads in 10 µm fractions. Natural impurities: ISO 12103-1, A4 Coarse test dust throughout the range or fractions thereof.
Remarks and information: Gravimetric test method to determine the efficiency in a single pass

Test methods for oil filters – Section 9: Collapse test for lubricating oil cartridges
Required contaminants: ISO 12103-1, A2 ultrafine dust
Notes and information: Test method for determining the element strength and the maximum expected differential pressure

Test methods for fuel filters – Part 4: Filter capacity and contaminant removal characteristics
Required contaminants: ISO 12103-1, A2 ultrafine dust
Notes and information: Gravimetric test method for efficiency and capacity

Test methods for fuel filters – Part 6: Collapse test for fuel filter elements
Required contaminants: ISO 12103-1, A1, A2, A3, A4 Test dusts
Notes and information: Test method for determining the element strength and the maximum expected differential pressure

Test specification for cabin air filters – particle filtration
Required impurities: ISO 12103-1, A2 ultrafine dust
Notes and information: SAE J 1669-1 has been repealed. ISO 11155-1 has been adopted by the SAE

Full-flow lubricating oil filter – multiple pass method for evaluating filter performance
Required contaminants: ISO 12103-1, A3 test dust
Notes and information: SAE J 1858 has been repealed. ISO 4548-12 has been adopted by the SAE

Fuel filter – Test method for determining the initial one-time separation efficiency
Required contaminants: ISO 12103-1, A2 ultrafine dust
Notes and information: Particle counting test method for fuel filters - Fractional efficiency

Test method for coolant filters – Section 7: Filter collapse test
Required contaminants: ISO 12103-1, A1, A2, A3, A4 test dust
Notes and information: Test method for determining the element strength and the maximum expected differential pressure

Test method for fuel filters
Required contaminants: ISO 12103-1, Arizona test dust A3, medium test dust
Notes and information: New test methods for fuel filters for gasoline and diesel recently published by the SAE Committee on Filter Test Methods