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Company Name: Shanghai Jun Yu Trade Co., Ltd.
Telephone: +86-21-50683119
Fax: +86-21-50779076
PTI Dust Business Unit: pti@jun-yu.com
DMT Dust Business Unit: dmt@jun-yu.com
JIS Dust Business Unit: jis@jun-yu.com
Other Business Unit: sales@jun-yu.com
Website: http://www.jun-yu.com/
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FAQ
Q1. What kind of test standards will use the test contaminants that your company sells?

  The PTI test contanminants from the U.S. is usually used in filtration industry, electronic industry; The DMT test dust from Germany is usually used in house ventilation filtration or vacuum filter’s performance testing. The JIS test powder is usually used in filtration industry. Below form is from the PTI official website which lists the usual filter testing standards and the test contaminants that recommended for using.

   After we became PTI’s sole agent in China in July of 2007. We found a majority of our customers in China are not from filtration industry, so if you had already purchased the test contaminant from us and would like to send us an email to provide the standard’s number, name, the corresponding test contaminants and simple comments. We will keep on expanding below form, your update would be warmly welcome.

   Sharing always be great!
Filtration Standards,
& Specifications
Contaminants
Required
Comments &
Information
ANSI B93.31: Multipass Method for Evaluating the Filtration Performance of a Fine Hydraulic Fluid Power Element ISO 12103-1, A2 Fine Test Dust (AC Fine Test Dust per standard is obsolete) B93.31: Hydraulic Filter Multipass Method is cancelled. ISO 16889 has replaced the ANSI B93.31 & NFPA T3.10.8.8 documents
ISO 4020: Road Vehicles - Fuel Filters for Diesel Engines ISO 12103-2, M1 and M2 Aluminum Oxide Test Dusts An Organic Contaminant is also required, see 4020 standard for details.
ISO 4548-4: Initial Particle Retention Efficiency, Life & Cumulative Efficiency (gravimetric method) ISO 12103-1,A2 Fine Test Dust ISO 12103-2, M2, M3, M4 and M5 Aluminum Oxide Test Dust Life & Cumulative Efficiency uses A2 Fine Test Dust Initial Particle Retention uses M series of Aluminum Oxide Test Dust
ISO 4548-12: Filtration Efficiency using Particle Counting, & Contaminant Retention Capacity ISO 12103-1, A3 Medium Test Dust SAE J 1858 Oil Filter Multipass Method is cancelled. ISO 4548-12 has been adopted by SAE
ISO 4572: Hydraulic Fluid Power-
Filters - Multipass Method
ISO 12103-1, A2 Fine Test Dust (AC Fine Test Dust per std. is obsolete) SAE J 726 Air Cleaner Test Code is cancelled. ISO 5011 has been adopted by SAE
ISO/TS 11155-1: Road Vehicles - Air Filters for Passenger Compartments Part 1: Test for Particulate Filtration ISO 12103-1, A2 Fine Test Dust SAE J 1669-1: Cabin Particulate cancelled.
ISO/TS 11155-1 has been adopted by SAE
ISO/TS 13353: Diesel Fuel & Petrol Filters for Internal Combustion Engines - Initial Efficiency by Particle Counting ISO 12103-1, A3 Medium Test Dust ISO/TS 13353 is cancelled & withdrawn. ISO 19438 has replaced 13353
ISO 16889: Hydraulic Fluid Power Filters - Multipass Method for Evaluating Filtration Performance of a Filter Element. ISO 12103-1, A3 Medium Test Dust ISO 16889 has replaced 4572 Hydraulic Filter Multipass Test Method
ISO 19438: Diesel Fuel & Petrol Filters for Internal Combustion Engines - Filtration Efficiency using Particle Counting & Contaminant Retention Capacity ISO 12103-1, A3 Medium Test Dust ISO 19438 has replaced 13353 Fuel Filter Initial Efficiency
ISO/CD19713: Inlet Air Cleaning Equipment for Internal Combustion Engines & Compressors -Fractional Efficiency Testing ISO 12103-1, A2 Fine Test Dust and A4 Coarse Test Dust This Standard is under development by ISO/TC22/SC7/WG3 Air & Oil Filters
JIS D1608: Fuel Filter Test Method for Automotive Gasoline Engines JIS Z 8901, Class 8 (fine) Test Dust ISO 12103-1, A2 Fine Test Dust may be substituted if listed in test report and/or with customer agreement
JIS D1611: Automotive Parts - Test Methods of Lubricating Oil Filters SOFTC-2A Gravimetric Test Method
JIS D1617: Automotive Parts - Fuel Filters for Diesel Engines Test Methods An Organic Contaminant is also required, see D1617 standard for detail. ISO 12103-2
Aluminum Oxide Test Dusts JIS Z 8901 Class 8 (fine) Test Dust
ISO 12103-1, A2 Fine Test Dust may be substituted for JIS Z 8901 Class 8 Test Dust if listed in test report and/or with customer agreement
NFPA T3.10.8.8: Hydraulic Fluid Power-Filters - Multipass Method for Evaluating Filtration Performance ISO 12103-1, A2 Fine Test Dust (AC Fine Test Dust per standard is obsolete) T3.10.8.8 Hydraulic Filter Multipass Method is cancelled. ISO 16889 has replaced the NFPA & ANSI B93.31 documents
SAE J 726: Air Cleaner Test Code ISO 12103-1, A2 Fine Test Dust and A4 Coarse Test Dust SAE J 726 Air Cleaner Test Code is cancelled. ISO 5011 has been adopted by SAE
SAE HS- 806: Oil Filter Test Procedure Section 6: Filter Capacity & Contaminant Removal Characteristics of Full-Flow Oil Filters ISO 12103-1, A2 Fine Test Dust SOFTC 2A Gravimetric Test Method for Overall Efficiency & Capacity
SAE HS- 806: Oil Filter Test Procedure Section 7: Single Pass Particle Retention Capability Test Broad Range within 29-470 µm of glass beads Narrow Range in 10 µm fractions of glass beads Natural ISO 12103-1, A4 Coarse Test Dust in full range or fractions thereof Gravimetric Test Method for Single Pass Efficiency
SAE J 905: Fuel Filter Test Methods ISO 12103-1, A2 Fine Test Dust Gravimetric Test Method for Efficiency & Capacity
SAE J 1669-1: Passenger Compartment Air Filter Test Code - Particulate Filtration ISO 12103-1, A2 Fine Test Dust SAE J 1669-1 is cancelled.
ISO 11155-1 has been adopted by SAE
SAE J 1858: Full-Flow Lubricating Oil Filters Multipass Method for Evaluating Filtration Performance ISO 12103-1, A3 Medium Test Dust SAE J 1858 is cancelled.
ISO 4548-12 has been adopted by SAE
SAE J 1985: Fuel Filters - Initial Single Pass Efficiency Test Method ISO 12103-1, A2 Fine Test Dust Particle Counting Fuel Filter Test Method- Fractional Efficiency
Q2. What is the bulk density of the ISO grades of test dust?

  1. ISO 12103-1 A1 Ultrafine – 500 kg/m3
  2. ISO 12103-1 A2 Fine – 900 kg/m3
  3. ISO 12103-1 A3 Medium – 1025 kg/m3
  4. ISO 12103-1 A4 Coarse – 1200 kg/m3
Q3. Whether the SAE Fine Test dust equal to ISO 12103-1 A2 Fine Test Dust? What the difference for SAE J726 dust to ISO 12103-1 A2?

  ISO 12103-1, A2 Fine Test Dust is identical to SAE Fine Test Dust manufactured by Powder Technology prior to 1993; reported particle size varies slightly due to upgraded instrumentation as specified per ISO 12103-1. SAE J726 Standard is obsolete and was cancelled in 2002 after harmonization with ISO 5011. ISO 5011 refers to ISO 12103-1 Test Dusts. For detailed information about this subject, click here to see History of Test Dust.

Q4. Above form of PTI test dust's application in filtration industry is helpful, is that possible to provide the similar form for DMT test dust? (Nov, 2008)

Contaminants
Standards,
& Specifications
Comments &
Information

DMT test dust type 8  ®

(Simulated house hold dust)
IEC 60312 Ed. 4,  2007, Chap.5.1.2.3 Composition is described in the standard
Mineral dust (dolomite sand) IEC 60312 Ed. 4,  2007, Chap.5.1.2.1 Particle size composition -see standard
Carpet test dust IEC 60312 Ed. 4,  2007, Chap.5.1.2.2 Particle size composition -see standard
Emission test dust IEC 60312 Ed. 4,  2007, Chap.5.1.2.5 Particle size composition -see standard
Customized test dusts or mixture preparations
email to: dmt@jun-yu.com

Q5. What is the ASHRAE and ANSI means?

  ASHRAE means American Society of Heating Refrigerating and Airconditioning Engineers;
  ANSI means American National Standards Institute;

Q6. Why ISO 12103-1 A2 Fine Test Dust & ISO 12103-1 A4 Coarse Test dust are using the same one gallon plastic jar, but the weight of one jar A4 is heavier than A2 approximate 1 kg? A2 Fine test dust has more small particles than A4 Coarse test dust theoretically, so A2 should be more heavier than A4? But why in fact it is reversed?

  Yes, ISO 120103-1 A2 Fine Test Dust SHRAE contains much more small size dust particles, the particles counts for A2 in a same size plastic jar is more than the counts for ISO 12103-1 A4 Coarse Test Dust.


  But, the self weight of bigger size dust particles are heavier than small size particles, so although the counts for A4 is lower than A2, but it is more heavier; On the other hand, there has air space between individual particles so that the more particles, the more air space resulting in a lower bulk density. A one gallon jar of Nominal 0-3 Micron ATD weighs approximately 1.5 Kg where ISO Coarse weighs 4.5 Kg.

 

Keep on updating......
 
 
 
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