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JC/T 1074-2008 (JCT 1074-2008)

Chinese Standard: 'JC/T 1074-2008'
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Standard ID JC/T 1074-2008 (JC/T1074-2008)
Description (Translated English) Root penetration resistance of waterproof sheets for green roof system
Sector / Industry Building Materials Industry Standard (Recommended)
Classification of Chinese Standard Q17
Classification of International Standard 91.100
Word Count Estimation 11,174
Date of Issue 2008-02-01
Date of Implementation 2008-07-01
Quoted Standard GB/T 16129; GB/T 18883; GB/T 3186
Drafting Organization China Building Materials Academy
Administrative Organization National lightweight construction materials and decorative repair Standardization Technical Committee
Regulation (derived from) ?Development and Reform Commission Announcement 2008 No.11
Summary This standard specifies the indoor air purification coating material terms and definitions, product classification and marking, requirements, test methods, test report, inspection rules. This standard applies to the interior with air purification function, decoration coating materials and coating materials. With air purification wallpaper, ceilings and other decorative materials can refer to this standard.

JC/T 1074-2008
Reference No.. 22944-2008
Purificatory Performance of Coatings with
Air Purification
Issued by. National Development and Reform Commission of the
People’s Republic of China
Table of Contents
Foreword ... 3 
1.  Scope ... 4 
2.  Normative references ... 4 
3.  Terms and definitions ... 4 
4.  Classification and marking ... 5 
5.  Requirements ... 5 
6.  Test methods ... 5 
7.  Test report ... 8 
8.  Inspection rules ... 9 
This Standard was proposed by China Building Materials Federation.
This Standard shall be under the jurisdiction of National Technical Committee 195 on
Constructional Materials and Decorative Materials of Standardization Administration of
China (SAC/TC 195).
The main drafting organization of this Standard. China Building Materials Academy.
Participating drafting organizations of this Standard. Beijing Namei Technology
Development Co., Ltd., Beijing Dajin Building Materials Co., Ltd, Ganzhou Qingsong
Functional Materials Technology Co., Ltd., Shenzhen Haichuan Industrial Co., Ltd.,
Nippon Paint (China) Co., Ltd., ICI Swire Paints (China) Ltd., Shanghai Fuchen Chemical
Industry Co., Ltd., Shanghai Hongkang Technology Development Co., Ltd., Shenzhen
Fanghao Industrial Co., Ltd., Anyang Longyang Building & Decorative Materials Co., Ltd.,
Beijing Tianzhiyan Health Technology Co., Ltd, Huaxia Beineng (Beijing) Ecological
Science & Technology Co., Ltd., Building Materials Industry Environment Monitoring
Center, Beijing Building Science Research Institute AND Shanghai Building Science
Research Institute (Group) Co., Ltd.
Main drafters of this Standard. Wang Jimei, Wang Jing, Ji Zhijiang, Li Jingguang, Ouyang
Lin, Zheng Aimin, Yang Qing, Xu Junqiang, Duan Zhimei, Xiong Rong, Ye Rongsen, Sun
Zhifeng, Chen Yandong, Zhu Shengmei, Chen Rongkun, Xiao Ying, Wang Xiaoyan, Xu
Xia and Guo Zhishuai.
This Standard is issued for the first time.
Purificatory Performance of Coatings with Air Purification
1. Scope
This Standard specifies the terms and definitions, product classification and marking,
requirements, test methods, test report and inspection rules for coatings with air
This Standard is applicable to indoor decorations, decorative coatings and painting
materials with air purification. Decorative materials such as wall paper and ceilings with air
purification can reference to this Standard.
2. Normative references
The following documents contain provisions which, through reference in this Standard,
become provisions of this Standard. For dated references, their subsequent amendments
(excluding corrections) or revisions do not apply to this Standard. However, the parties
who enter into agreement based on this Standard are encouraged to investigate whether
the latest versions of these documents are applicable. For undated reference documents,
the latest versions apply to this Standard.
GB/T 3186 Sampling Paint Products
GB/T 16129 Standard Method for Hygienic Examination of Formaldehyde in Air of
Residential Areas - Spectrophotometric Method
GB/T 18883 Indoor Air Quality Standard
3. Terms and definitions
The following terms and definitions apply to this Standard.
3.1 Air purification
The action of reducing pollutants in the air and making the air clean.
3.2 Air-purification coating
Coating that can reduce or remove one or more harmful organic substances in the air.
3.3 Purification efficiency
Within a specified time, the ratio OF, the concentration difference of a harmful substance
to the theoretical application amount; the test shall be conducted after natural drying for
24 hours under the test environment of 6.1.
6.5 Purification efficiency
6.5.1 Test steps Put the prepared test sample plates and the blank glass plates into the sample
chamber and the comparison chamber respectively, four plates on the sample shelf in
each chamber, the side painted with sample facing the center of the chamber. Put a glass plate on the bottom of the test chamber, close the test chamber; use
micro-syringe to take (3±0.25)µL analytically pure formaldehyde or analytically pure
toluene solution; drop it in the glass plate through the injection hole; then close the
injection hole. During test of photocatalysis materials, turn on the daylight lamps in the two test
chambers. Collect the air inside the chamber after closing for 1 hour to test its
concentration, which is the initial concentration (n0). After 48 hours, collect the air inside
the chamber and test its concentration, which is the final concentration (n1). Turn on the
fan for 30min before collecting the air and turn it off when sampling. During test of non-photocatalysis materials, do not turn on the daylight lamps.
Collect the air inside the chamber after closing for 1 hour to test its concentration, which is
the initial concentration (n0). After 24 hours, collect the air inside the chamber and test its
concentration, which is the final concentration (n1). Turn on the fan for 30min before
collecting the air and turn it off when sampling.
6.5.2 AHMT Spectrophotometric Method specified in GB/T 16129 shall be adopted for
testing and analysis of formaldehyde concentration.
6.5.3 The gas chromatographic method in Appendix B of GB/T 18883 shall be adopted
for testing and analysis of toluene concentration.
6.5.4 Calculation of the results Decision of pass condition. compare the natural decay of harmful substance with
the initial concentration (n0) and the final concentration (n1) of the comparison chamber; if
the natural decay rate of formaldehyde ≤30%, or the natural decay rate of toluene ≤25%,
then the test is passed. The natural decay rate shall be calculated with formula (1) .
... (1)
R – natural decay rate, %;
8. Inspection rules
8.1 This Standard’s technical requirements are type inspection
8.1.1 Under normal production conditions, type inspection shall be conducted
according to this Standard once a year.
8.1.2 Type inspection shall be conducted when.
a) When finalizing the type identification of a new product;
b) When manufacturing the product at a different site;
c) When there is significant change of production formula, process or raw material;
d) When the production is resumed after shutdown for three months.
8.2 Group-batch rules and sampling scheme
8.2.1 Group-batch. the products in a mixing shall be of a same batch number. The
product with the same-raw material and same-formula shall be deemed as a same batch, ......
Related standard: JC/T 2436-2018    JC/T 2484-2018
Related PDF sample: GB/T 9780-2013    GB/T 17748-2016