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GB/T 21241-2022 PDF English

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GB/T 21241-2022: Toilet bowl and ceramic tile cleansers
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GB/T 21241: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
GB/T 21241-2022English80 Add to Cart 0-9 seconds. Auto-delivery Toilet bowl and ceramic tile cleansers Valid
GB/T 21241-2007English105 Add to Cart 0-9 seconds. Auto-delivery Toilet bowl and ceramic tile cleansers Obsolete

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GB/T 21241-2022: Toilet bowl and ceramic tile cleansers

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GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 71.100.40 CCS Y 43 Replacing GB/T 21241-2007 Toilet bowl and ceramic tile cleansers Issued on. DECEMBER 30, 2022 Implemented on. JULY 01, 2023 Issued by. State Administration for Market Regulation; National Standardization Administration.

Table of Contents

Foreword... 3 1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 6 4 Product categories... 6 5 Requirements... 6 6 Test methods... 7 7 Inspection rules... 10 8 Marking, packaging, transportation, storage... 10

Foreword

This document is drafted in accordance with the provisions of GB/T 1.1-2020 "Directives for standardization - Part 1.Rules for the structure and drafting of standardizing documents". This document replaces GB/T 21241-2007 "Toilet bowl and ceramic tile cleansers". Compared with GB/T 21241-2007, in addition to structural adjustments and editorial changes, the main technical changes are as follows. a) CHANGE the basic requirements (see 5.1; 4.1 of the 2007 edition); b) CHANGE the appearance and stability item requirements (see 5.2; 4.2 of the 2007 edition); c) CHANGE the name of the surfactant content item (see 5.3; 4.3 of the 2007 edition); d) CHANGE the requirements for corrosive items (see 5.3; 4.3 of the 2007 edition); e) ADD the total phosphorus pentoxide content items, requirements, detection methods (see 5.3 and 6.8); f) ADD the remarks on the total acidity weighing quantity (see 6.5.4.1); g) CHANGE the expression of results of total acidity (see 6.5.4.2; 5.4.4.2 of the 2007 edition); h) CHANGE the basis for the detection method of total effective substance content (see 6.6; 5.5 of the 2007 edition); i) CHANGE the description of corrosion testing (see 6.7; 5.6 of the 2007 edition); j) CHANGE the inspection rules (see Chapter 7; Chapter 6 of the 2007 edition); k) CHANGE the marking requirements (see 8.1; 7.1 of the 2007 edition); l) CHANGE the packaging requirements (see 8.2; 7.2 of the 2007 edition); m) DELETE the corrosion requirements and test methods for cast iron (see 4.3 and 5.6.2 of the 2007 edition); n) DELETE the quantitative packaging requirements (see 4.4 of the 2007 edition); o) DELETE the shelf life requirement (see 7.4.3 of the 2007 edition). Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document was proposed by China Light Industry Federation. This document shall be under the jurisdiction of the National Technical Committee on Standardization of Surfactants and Detergents (SAC/TC 272). Drafting organizations of this document. Zhongqing Daily Chemical Inspection and Certification Co., Ltd., Beijing Green Umbrella Technology Co., Ltd., Blue Moon (China) Co., Ltd., Guangzhou Libai Enterprise Group Co., Ltd., Pengchen New Material Technology Co., Ltd., Perfect (Guangdong) Daily Necessities Co., Ltd., Fujian Mengjiaolan Daily Chemicals Co., Ltd., Transhua Group Co., Ltd. Daily Necessities Branch, Xi'an Youluqing Technology Co., Ltd., Zhuhai Heshunxing Daily Chemical Co., Ltd., China Daily Chemicals Institute Co., Ltd. The main drafters of this document. Li Xiaohui, Li Jinlong, Liang Runcheng, Zhang Jingfeng, Ding Chunchao, Tan Yong, Li Minan, Chen Jinyang, Xu Xun, Zhang Jianxi, Yin Taixing, Li Xiaorui. This standard replaces the standard previously issued as follows. - It was first published as GB/T 21241-2007 in 2007; - This is the first revision. Toilet bowl and ceramic tile cleansers

1 Scope

This document stipulates the classification, requirements, test methods, inspection rules and marking, packaging, transportation, storage of toilet bowl and ceramic tile cleansers. This document is applicable to the production and testing of liquid, paste, gel sanitary ware cleaning products, that are composed of inorganic acids, organic acids, surfactants or other auxiliaries as the main raw materials.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, for dated reference documents, only the version corresponding to the date applies to this document; for undated reference documents, the latest version (including all amendments) applies to this document. GB/T 3810.13-2016 Test methods of ceramic tiles - Part 13.Determination of chemical resistance GB/T 4100-2015 Ceramic tiles GB/T 6682 Water for analytical laboratory use - Specification and test methods GB/T 13173-2021 Surface active agents - Test methods for detergents GB/T 26396 Technical specification for safety of soaps and detergents GB/T 36970 Instruction for use of consumer products - Labelling for detergents QB/T 2117-1995 General water-based metal detergents

3 Terms and definitions

There are no terms or definitions to be defined in this document.

4 Product categories

According to the objects of use of the products, sanitary ware cleaning agent products are divided into two types.

5 Requirements

5.1 Basic requirements The products and raw materials used shall comply with the requirements of Category C products in GB/T 26396. 5.2 Sensory requirements The sensory requirements of the product shall comply with the provisions of Table 1. 5.3 Physical and chemical performance indicators The physical and chemical performance indicators of the product shall comply with the provisions of Table 2.

6 Test methods

6.1 Basic requirements Unless otherwise stated, only reagents confirmed to be of analytical grade and grade-3 water or above complying with GB/T 6682 are used in the analysis. 6.2 Appearance Measure a specimen of no less than 200 mL. Place it in a dry and clean colorless glass container. Observe it under non-direct light conditions. 6.3 Odor Take an appropriate amount of specimen and place it in a container without peculiar smell, for identification by smell. 6.5 Total acidity 6.5.1 Principle Using phenolphthalein as an indicator, titrate the specimen solution with sodium hydroxide standard titration solution until it appears reddish. Calculate the total acidity based on the consumption. 6.5.2 Reagents 6.5.3 Instruments 6.5.4 Procedure 6.6 Total effective substance content If there are no special instructions, the provisions of 7.4.1 in GB/T 13173-2021 shall be followed. 6.7 Corrosiveness 6.7.1 Ceramic tile corrosiveness The measurement is carried out according to the test method of 8.1 in GB/T 3810.13- 2016. 6.7.2 Corrosion of metal test pieces The corrosion resistance of 1Cr18Ni9Ti stainless steel, H62 brass, Cu/Ni10bCr brass chromium plating is measured according to QB/T 2117-1995; H62 brass is rated according to 5.6.5.2 in QB/T 2117-1995; 1Cr18Ni9Ti stainless steel and Cu/Ni10bCr brass chromium plating are rated according to the following criteria. 6.8 Total phosphorus pentoxide content Follow the provisions of 6.2 in GB/T 13173-2021.

7 Inspection rules

Follow the requirements of QB/T 2951.

8 Marking, packaging, transportation, storage

8.1 Marking It is carried out according to the provisions of GB/T 36970. 8.3 Transport During transportation, it shall be loaded and unloaded gently. It shall not be turned upside down. 8.4 Storage The product shall be stored in a ventilated, dry place away from direct sunlight and rain. It shall not be stored in high temperature or freezing environments. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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