QC/T 998-2015 English PDF (QCT998-2015)
QC/T 998-2015 English PDF (QCT998-2015)
QC/T 998-2015: The technical specification of automotive cabin air filter
AUTOMOTIVE INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
The technical specification of
automotive cabin air filter
ISSUED ON. APRIL 30, 2015
IMPLEMENTED ON. OCTOBER 01, 2015
Issued by. Ministry of Industry and Information Technology of the
People's Republic of China
Table of Contents
Announcement of Ministry of Industry and Information Technology of the
People's Republic of China ... 3
Foreword ... 7
1 Scope ... 8
2 Normative references ... 8
3 Terms and definitions ... 8
4 Requirements ... 9
5 Test methods ... 13
6 Inspection rules ... 14
7 Marks, packaging, transport and storage ... 15
Announcement of Ministry of Industry and Information
Technology of the People's Republic of China
The Ministry of Industry and Information Technology approved 876 industry standards such as “Cryogenic Pilot Valves” (standard number, name, main content and initial implementation date are shown in Annex 1), including 286 mechanical industry standards, 17 automotive industry standards, 19 marine industry standards, 5 aviation industry standards, 24 chemical industry standards, 58 metallurgical industry standards, 146 non-ferrous metal industry standards, 16 rare earth industry standards, and petrochemicals 7
petrochemical industry standards, 73 light industry standards, 10 civil explosive industry standards, 77 electronic industries, and 138 communications industry standards. It approved two light industry standard revisions such as “Neutral Ink Ballpoint Pen and Refill” (see Annex 2). It approved 12 non-ferrous metal industry standard samples such as “Aluminum Alloy 6061 Spectrum Single
Point Standard Sample” (standard sample list and component content table are shown in Annex 3). Industry standard revisions and industry standard samples are implemented from the date of release.
The above mechanical industry standards are published by the Machinery
Industry Press. Ship industry standards are published by China Shipbuilding Industry Comprehensive Technology and Economic Research Institute.
Aviation industry standards are published by China Aviation Integrated
Technology Research Institute. Chemical industry product standards are
published by the Chemical Industry Press. Metallurgical industry standards are published by the Metallurgical Industry Press. Non-ferrous metals, rare earth industry standards are published by China Standard Press. Petrochemical industry standards are published by Sinopec Press. Light industry standards are published by China Light Industry Press. Chemical and non-ferrous metal engineering construction industry standards, automotive industry standards are published by China Planning Press. Civil explosion industry standard are published by the China Ordnance Industry Standardization Institute. Electronic industry standards are published by the Electronics Industry Standardization Institute of the Ministry of Industry and Information Technology. Communication industry standards are published by People's Posts and Telecommunications Press. The industry standards for communication engineering construction are published by Beijing University of Posts and Telecommunications Press.
Annex. Numbers, standard names and initial implementation dates of 17
automotive industry standards.
Numbers, standard names and initial implementation dates of 17
automotive industry standards
No. Standard number Standard name Standard number being substituted
287 QC/T 991-2015
Passenger cars - Light
alloy wheels - 90°
impact test procedure
288 QC/T 717-2015
Road vehicle – Wheels
- Requirements and
Measuring methods of
radial and lateral run-
289 QC/T 52-2015 Refuse collection vehicle QC/T 52-2000 2015-10-01
290 QC/T 652-2015 Suction-type sewer scavenger QC/T 652-2000 2015-10-01 291 QC/T 992-2015 Municipal emergency service vehicle 2015-10-01
292 QC/T 993-2015 Explosive transport vehicle 2015-10-01
293 QC/T 994-2015 Demountable tanker carrier 2015-10-01
294 QC/T 995-2015 Hydrostatic drive modular transporter 2015-10-01
295 QC/T 764-2015
Road vehicles -
system - Simple flare
pipes, tube tapped
holes male fittings and
hose end fittings
QC/T 764-2006 2015-10-01
296 QC/T 239-2015
bench test methods for
QC/T 479-1999 2015-10-01
297 QC/T 996-2015
bench test methods of
automobile air dryer
298 QC/T 997-2015
Passenger car full load
overall frame body
299 QC/T 998-2015 The Technical Specification of 2015-10-01
The technical specification of
automotive cabin air filter
This Standard specifies the technical conditions, inspection rules as well as marks, packaging, transport and storage for automotive cabin air filter. This Standard is applicable to granular air conditioner filters and multi-effect air conditioner filters for passenger compartments with a volume (length x width x height) of not less than 0.0008 m3.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 8410, Flammability Test to Motor Vehicle
GB/T 28957.1, Road vehicles - Test dust for filter evaluation - Part 1. Silicon dioxide test dust
QC/T 795.1-2007, Road vehicles - Air filters for passenger compartment - Part 1. Test for particulate filtration
QC/T 795.2-2007, Road vehicles - Air filters for passenger compartment - Part 2. Test for gaseous filtration
DIN 75201, Determination of the fogging characteristics of trim materials in the interior of automobiles
ISO 12103, Road vehicles - Test contaminants for filter evaluation - Part 1. Arizona test dust
VDA 270, Determination of the odor characteristics
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in QC/T 795.1-2007, QC/T 795.2-2007 as well as the followings apply.
3.1 cabin air filter
the device that is used to filter the air flowing through the interior of the cabin and to introduce impurities and harmful gases from the outside of the
automobile through the air conditioning system; it is also known as air filter for passenger room, automotive air conditioning filter, automotive air conditioning filter
3.2 particle filter
cabin air filter for separating and storing tangible particles in an air stream; it is also known as dust filter, pollen filter, single effect filter
3.3 combination filter
cabin air filter for separating, storing and adsorbing tangible particles, harmful gases and odors in air streams; it is also known as activated carbon filter, multi- effect filter
refer to a phenomenon in which a thin layer of coating of volatile substances on the windshield and other glass is condensed under certain conditions to reduce visibility
3.5 odor characteristics
volatile components with distinctly identifiable odors when materials or components are stored at specified temperature and climatic conditions
The cabin air filter shall be manufactured in accordance with the product drawings and technical documents approved by the prescribed procedures. The technical conditions shall comply with the provisions of this Standard. If the customer has technical requirements, execute as required.
4.2 Requirements for prohibited substances and restricted substances
The prohibited substances and restricted substances involved in the materials used shall comply with the Global Automotive Declaration Substances List (GADSL) and be declared in IMDS or CAMDS.
4.3 Material flammability
188.8.131.52 Leveled filtration efficiency
Under the condition of test air flow of 300 m3/h, use the A2 ash test defined in GB/T 28957.1. The leveled filtration efficiency of combination filter shall meet the requirements of the corresponding category in Table 6.
Table 6 -- Leveled filtration efficiency of category I, category II
Particle optical diameter, µm Leveled filtration efficiency I II
0.3 ≥60 ≥65
0.5 ≥65 ≥70
1 ≥75 ≥80
3 ≥80 ≥90
5 ≥85 ≥92
10 ≥90 ≥95
184.108.40.206 Ash storage
Under the test air flow rate of 300 m3/h, use the A4 ash or A2 ash test defined in ISO 12103. When the pressure-drop increases by 200 Pa, the ash storage capacity of combination filter shall comply with the corresponding category in Table 7.
Table 7 – Ash storage of category I, category II
Testing ash Ash storage, g I II
A4 ash ≥25 ≥40
A2 ash ≥9 ≥14
220.127.116.11 Gas adsorption performance
Under the condition of test air flow of 150 m3/h, category I shall comply with the provisions of Table 8, and category II shall comply with the provisions of Table 9.
Table 8 -- Gas adsorption performance of category I
Adsorption efficiency, % Adsorption
volume, g Zero hour efficiency 1 min efficiency 5 min efficiency
N-butane ≥45 ≥20 ≥10 ≥0.8
Toluene ≥70 ≥60 ≥40 ≥11
(optional) ≥65 ≥40 ≥20 ≥1.5
to Clause 6 to Clause 9 of QC/T 795.1 and Clause 8 to Clause 12 of QC/T 795.2. Conditions for termination of adsorption capacity test. the gas concentration of n-butane and toluene as the sample surface reaches 95% of the inlet gas concentration; sulfur dioxide is 60 min from zero.
Use visual inspection for appearance quality.
5.6 Temperature resistance
5.6.1 High temperature test. place the cabin air filter element in an 85°C ± 1°C incubator. Remove after 24 h of constant temperature and observe the test results.
5.6.2 Low temperature test. place the cabin air filter element in an -40°C ± 1°C incubator. Remove after 24 h of constant temperature and observe the test results.
6 Inspection rules
Each product shall be inspected as qualified by the quality inspection
department and accompanied by a product certificate.
6.2 Inspection type
It is divided into exit-factory inspection and type test.
6.3 Exit-factory inspection
Inspection items are dimensions and 4.4 requirements.
6.4 Type test
Type test shall be performed in one of the following situations.
a) trial model identification for new product;
b) great changes in production site, production equipment, structure,
materials, process after regular production which may affect product
c) once every year during regular production;
d) great difference between exit-factory inspection results and previous type test results;