GB/T 9756-2018 PDF English
US$145.00 · In stock · Download in 9 secondsGB/T 9756-2018: Synthetic resin emulsion coatings for interior wall Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB/T 9756: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 9756-2018 | English | 145 |
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Synthetic resin emulsion coatings for interior wall
| Valid |
| GB/T 9756-2009 | English | 479 |
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Synthetic resin emulsion coatings for interior wall
| Obsolete |
| GB/T 9756-2001 | English | 279 |
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Synthetic resin emulsion coatings for interior wall
| Obsolete |
| GB/T 9756-1995 | English | 199 |
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Synthetic resin emulsion coatings for interior wall
| Obsolete |
| GB 9756-1988 | English | 199 |
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Synthetic resin emulsion coatings for interior wall
| Obsolete |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB/T 9756-2018
GB/T 9756-2018: Synthetic resin emulsion coatings for interior wall---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT9756-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 87.040
G 51
Replacing GB/T 9756-2009
Synthetic resin emulsion coatings for interior wall
Issued on. JUNE 7, 2018
Implemented on. JANUARY 1, 2019
Issued by. State Administration for Market Regulation;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Classification and grading... 6
4 Requirements... 6
5 General requirements... 7
6 Inspection rules... 12
7 Marking, packaging and storage... 13
Annex A (Normative) Method for testing anti-efflorescence... 14
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB/T 9756-2009, Synthetic resin emulsion coatings for
interior wall. Compared with GB/T 9756-2009, the major technical changes, in addition
to editorial changes, are as follows.
-- Change the scope of the standard (see Clause 1; Clause 1 of 2009 edition);
-- Delete the normative references including “GB/T 1250 and JC/T 412.1-2006” (see
Clause 2 of 2009 edition);
-- Add the normative references including “GB/T 6682-2008, GB/T 8170-2008 and
GB/T 23981-2009” (see Clause 2);
-- Add the items, indexes and test methods of low-temperature film-forming
properties of primers and finishes (see 4.1, 4.2 and 5.5.5);
-- Change the technical indexes of scrub resistance of film of finishes. the qualified
product’s acceptance index of scrub resistance of film of finishes is changed from
“≥ 300 times” into “≥ 350 times”, the first-class product’s index is changed from “≥
1000 times” into “1,500 times” and superior product’s index is changed from “≥
5,000” into “≥ 6,000” (see 4.2; 4.2 of 2009 edition);
-- Add the specifications of waterproof abrasive paper used for substrate polishing
and the inspection method for substrate flatness for the item of scrub resistance
of film (see 5.3);
-- Change the contents including wet-film thickness, sample density and unit of test
panel area in the calculation equation of primer brushing amount (see 5.4.2.1;
5.2.2.4 of 2009 edition);
-- Add the panel making requirements for the arbitration test for the items of contrast
ratio and scrub resistance of film (see 5.4.3.2);
-- Change the test panel thickness for the item of scrub resistance of film, from “430
mm × 150 mm × (4 ~ 6) mm” into “430 mm × 150 mm × 6 mm” (see Table 5; Table
5 of 2009 edition);
-- Add the requirements for brushes during the arbitration test for the item of scrub
resistance of film (see 5.5.11);
-- Add the processing requirements, when the PVA water solution for the item anti-
efflorescence has aggregation, precipitation, etc. during storage (see A.1.1.1;
A.1.1.1 of 2009 edition);
-- Change the storage period of the PVA-iron blue water dispersion liquid, from “not
exceeding 1 month” into “not exceeding 15 d” (see A.1.1.2; A.1.1.2 of 2009 edition);
-- Change the height of the test solution immersion test panels for the item of anti-
efflorescence, from “greater than 1/2 of the test panel thickness” into “greater than
2/3 of the test panel thickness” (see A.3.2; A.3.2 of 2009 edition).
This Standard was proposed by the China Petroleum and Chemical Industry
Association.
This Standard shall be under the jurisdiction of National Technical Committee 5 on
Paints and Pigments of Standardization Administration of China (SAC/TC 5).
The drafting organizations of this Standard. CNOOC Changzhou Paint Chemical
Research Institute, Dow Chemical Company (China) Investment Co., Ltd., ICI Swire
Paints (Shanghai) Co., Ltd., Nippon Paint (China) Co., Ltd., Shanghai Research
Institute of Paint and Coatings Co., Ltd., Guangdong Carpoly Technological Materials
Co., Ltd., Foshan Shunde District BATF Industrial Co., Ltd., Guangdong Huarun Paints
Co., Ltd., 3trees Paint Co., Ltd., Guangdong Bardese Chemical Co., Ltd., Zhejiang
Huade New Materials Co., Ltd., Shenzhen Grandland Environmental Protection Paint
Co., Ltd., Caparol (China) Co., Ltd., Hebei Tianxin Construction Group Co., Ltd., First
New Material Technology Development Co., Ltd., Zhanchen New Material Group Co.,
Ltd., Zhejiang Transfar Paint Co., Ltd., China Paint MFG (Shenzhen) Co., Ltd., Hebei
Chenyang Industry and Trade Group Co., Ltd., Ningbo Xinan Coating Co., Ltd.,
Shandong Lehua Paint Industry Co., Ltd., Alligator Paint (Shanghai) Co., Ltd.,
Northwest Yongxin Paint Co., Ltd., DMT Production (Beijing) Co., Ltd., Bauhinia
Coatings (Shanghai) Co., Ltd., BASF New Materials Co., Ltd., Jiangsu Elephant
Coating Co., Ltd., Maco Group Co., Ltd., Kansai Paint (China) Investment Co., Ltd.,
Antext Chemical (Zhongshan) Co., Ltd., Xiang Jiang Paint Technology Co., Ltd.,
Shanghai Jianke Technical Assessment of Construction Co., Ltd.
The main drafters of this Standard. Liu Lin, Tang Ying, Nan Xuan, Wang Yan, Gao
Jidong, Zhang Weiqun, Luo Zhiqing, Liang Piaojian, Kou Hui, Lin Changqing, Li
Jinming, Wang Weidong, Xu Xinxiang, Xiong Jun, Feng Xijie, Zhan Mingjia, Ye Shuqing,
Wu Yong, Lin Qingwen, Hu Zhongyuan, Hu Jinping, Shen Xiaozhong, Xu Haifeng, Li
Huaming, Yang Guoping, Xing Jun, Wang Fei, Yang Shaowu, Liu Fengxian, Meng
Xianfeng, Yang Liwen, Zheng Daming, Hu Xiaozhen, Han Chaozheng.
The previous editions of the standard replaced by this Standard are as follows.
-- GB/T 9756-1988, GB/T 9756-1995, GB/T 9756-2001, GB/T 9756-2009.
Synthetic resin emulsion coatings for interior wall
1 Scope
This Standard specifies the classification and grading, requirements, test methods,
inspection rules and marking, packaging and storage, etc. for synthetic resin emulsion
coatings for interior wall.
This Standard applies to coatings for interior wall, including primers and finishes, which
is based on synthetic resin emulsion, prepared with pigments, body pigments and all
kinds of auxiliaries and forms a thin coating layer with a smooth surface after
application.
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition dated applies to this document. For
undated references, the latest edition of the referenced documents (including all
amendments) applies to this document.
GB/T 1728-1979, Methods of test for drying time of coatings of paints and putties
GB/T 1766-2008, Paints and varnishes – Rating schemes of degradation of coats
GB/T 1910, Newsprint
GB/T 3186, Paints, varnishes and raw materials for paints and varnishes –
Sampling
GB/T 6682-2008, Water for analytical laboratory use – Specification and test
methods
GB/T 6750-2007, Paints and varnishes – Determination of density – Pycnometer
method
GB/T 8170-2008, Rules of rounding off for numerical values and expression and
judgement of limiting values
GB/T 9265-2009, Determination for alkali resistance of film of architectural paints
and coatings
GB/T 9266-2009, Determination of scrub resistance of film of architectural paints
and coatings
3 Classification and grading
Synthetic resin emulsion coatings for interior wall are classified into primers and
finishes in this Standard. Finishes are graded into qualified products, first-class
products and superior products in accordance with the requirements for use.
4 Requirements
4.1 Primers shall be as required by Table 1.
4.2 Finishes shall be as required in Table 2.
5 General requirements
5.1 Sampling
Conduct sampling as specified in GB/T 3186 or in accordance with a method as agreed.
Sampling volume shall be as required by inspection.
5.2 Test environment
Unless specified otherwise, the conditioning of test panels and the temperature-
humidity of test shall be as specified in GB/T 9278.
5.3 Test base materials and their treatment methods
Unless agreed otherwise, select base materials as specified in Table 3 and Table 5.
For contrast ratio, use the polyester films or card papers as required in 4.4 of GB/T
23981-2009; use cement MDF panels containing no asbestos fibre reinforcement
(A.1.3) for the item of anti-efflorescence; use cement panels containing no asbestos
fibre for the other items.
5.4 Preparation of test sample panels
5.4.1 Sample preparation
When the dilution ratio is not indicated for products to tested, make panels after stirring
uniformly. When the dilution ratio is indicated for products to be tested, except for the
item of contrast ratio, panels needs to be made for the others to carry out the items of
inspection; panels shall be made after mixing uniformly in accordance with the dilution
ratio specified; if the proportion is within a range, an intermediate value shall be taken.
5.4.2 Preparation of primer test sample panels
5.4.3 Preparation of test sample panels for finishes
5.5 Operational method
5.5.1 General
Unless specified otherwise, only use reagents confirmed to be chemically pure or
above, and distilled water or deionized water meeting the Grade-3 water requirements
of GB/T 6682-2008 in test. Solutions for test shall be conditioned to test temperature
before test.
5.5.9 Anti-efflorescence
As specified in Annex A.
5.5.10 Contrast ratio
Carry out test as specified in GB/T 23981-2009; use the polyester film method for
arbitration inspection.
5.5.11 Scrub resistance
Carry out test as specified in GB/T 9266-2009; use a brush with the maximum bristle
bearing-pressure within (190 ± 40) N.
6 Inspection rules
6.1 Inspection classification
6.1.1 Product inspection includes exit-factory inspection and type inspection.
6.2 Criteria for inspection results
6.2.1 The criteria for inspection results shall be as specified in the rounding-off value
comparison method of GB/T 8170-2008.
6.2.2 When the inspection results of the inspection items are as required in this
Standard, then the test sample meet the requirements of this Standard.
7 Marking, packaging and storage
7.1 Marking
Carry out test as specified in GB/T 9175.If water needs to be added for dilution, the
dilution ratio shall be specified.
7.2 Packaging
Carry out test in accordance with the grade two packaging requirements of GB/T
13491-1992.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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