GB/T 25181-2019 English PDF

US$519.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 25181-2019: Ready-mixed mortar
Status: Valid

GB/T 25181: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25181-2019	519	Add to Cart	5 days	Ready-mixed mortar	Valid
GB/T 25181-2010	839	Add to Cart	4 days	Ready-mixed mortar	Obsolete

Similar standards

GB 50843   GB 50009   GB 50728   GB/T 50344   GB 50135   

Basic data

Standard ID: GB/T 25181-2019 (GB/T25181-2019)
Description (Translated English): Ready-mixed mortar
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: P20
Classification of International Standard: 91.100.10
Word Count Estimation: 26,217
Date of Issue: 2019-08-30
Date of Implementation: 2020-07-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 25181-2019: Ready-mixed mortar

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Ready-mixed mortar ICS 91.100.10 P20 National Standards of People's Republic of China Replace GB/T 25181-2010 Ready mixed mortar Published on.2019-08-30 2020-07-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 classification and code, mark 3 4.1 Classification and code number 3 4.2 Mark 4 5 raw materials 5 6 Requirements 5 6.1 Wet mixed mortar 5 6.2 Dry mortar 7 7 Preparation 8 7.1 Wet mix mortar 8 7.2 Dry mortar 9 8 Test method 10 8.1 Wet mix mortar 10 8.2 dry mortar 11 9 Inspection rules 12 9.1 General requirements 12 9.2 Inspection items 13 9.3 Sampling and group approval 13 9.4 Decision Rule 14 10 Packaging, storage and transportation 14 10.1 Packing 14 10.2 Storage 15 10.3 Transportation 15 11 Order and delivery 15 11.1 Order 15 11.2 Delivery 15 Appendix A (Normative Appendix) Test Method for Plastic Time 17 Appendix B (normative appendix) Pressure bleeding rate test method 18 Appendix C (normative appendix) Test method for consistency loss rate 20

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 25181-2010 "premixed mortar". Compared with GB/T 25181-2010, the main technical changes are as follows. ---Modified terms and definitions (see Chapter 3, Chapter 3 of the.2010 edition); --- Wet-mixed mortar is divided into ordinary plaster mortar and machine spray plaster mortar, and increased M7.5 grade. Wet mix mortar consistency index increased Add footnotes; wet mix ordinary plaster mortar consistency 110mm to 100mm (see Table 2,.2010 edition of Table 2); ---Cancel the setting time of wet mixed mortar and increase the time of plastic mixing of wet mixed mortar (see Table 2, Table 2 of.2010 edition); --- Cancel the M10 grade in wet mixed waterproof mortar and dry mixed ordinary waterproof mortar (see Table 2 and Table 4, Table 2 and Table 4 of.2010 edition); --- Increase dry-mixed mortar, dry-mixed repair mortar, eliminate dry-mixed insulation board bonding mortar, dry-mixed insulation board plastering mortar (see Table 3, Table 3 of the.2010 edition; --- Add machine spray plastering mortar to dry mixed plastering mortar; dry mixed plastering mortar increases M7.5 grade (see Table 4, Table 4 of.2010 edition); --- Cancel the apparent density requirements of wet mixed masonry mortar, dry mixed ordinary masonry mortar, and modify the masonry mechanical performance requirements (see 6.1.1) And 6.2.2,.2010 editions 6.1.1 and 6.2.2); --- Increase the performance index of the wet mixer spray mortar (see Table 5); --- Increase the retention time of wet mixed mortar (see Table 9); --- Increase the performance index of dry mixer spray mortar (see Table 10); ---In-house dry-mixed ceramic tile bonded mortar is divided into type I and type II, and give corresponding performance indicators (see Table 11,.2010 edition) Table 10); --- Cancel the performance index of molded polystyrene board interface mortar and extruded polystyrene board interface mortar in dry-mixed interface mortar; modify concrete interface Performance index of mortar and aerated concrete interface mortar (see Table 12, Table 11 of.2010 edition); --- Cancel the dry-mixed insulation board bonding mortar, dry-mixed insulation board surface mortar performance indicators (2010 edition of Table 12 and Table 13); --- Revised the tolerance for the measurement of dry mixed mortar raw materials (see Table 14 and Table 15, Table 15 of the.2010 edition); --- Revised the test method for bonded mortar of dry-mixed ceramic tiles (see 8.2.12, 8.2.12 of.2010 edition); --- Revised the number of test samples used for testing (see 9.3.1.4 and 9.3.2.2 to 9.3.2.4, 9.3.1.4 and 9.3.2.2 of the.2010 version) 9.3.2.4); --- Increase the test method for plastic retention time (see Appendix A); --- Cancel the interface mortar test method (Appendix B of the.2010 edition); --- Increase the pressure bleeding rate test method (see Appendix B). This standard was proposed by the Ministry of Housing and Urban-Rural Development of the People's Republic This standard is under the jurisdiction of the National Concrete Standardization Technical Committee (SAC/TC458). This standard is drafted by. China Academy of Building Research Ltd. Participated in the drafting of this standard. Zhejiang Fangyuan New Materials Co., Ltd., Guangdong Langtao Sand New Material Co., Ltd., Shanghai Construction Science Research Institute, Guangzhou Building Science Research Institute Co., Ltd., Shenzhen Haihai Building Materials Co., Ltd., Jinan Changxing Construction Co., Ltd., Guangdong Red Wall New Materials Co., Ltd., China Construction Second Bureau Third Construction Engineering Co., Ltd., Kezhijie New Materials Group Co., Ltd., US Nest Collection Group Co., Ltd., Degao (Guangzhou) Building Materials Co., Ltd., Zhongqi Glue Construction Group Co., Ltd., Zhejiang Yicheng Testing Co., Ltd., Hangzhou Motai Technology Co., Ltd. Co., Ltd., Chongqing Academy of Building Research, Ningbo Yuyu Huanke Premixed Mortar Co., Ltd., China Construction Eighth Engineering Bureau Co., Ltd. Division, Jinan Fangsheng Concrete Component Co., Ltd., Guangdong Rui'an Technology Industrial Co., Ltd., Beijing Ready-mixed Mortar Engineering Technology Research Center, Zhejiang Jiang Construction Science Design and Research Institute Co., Ltd., Chongqing Transportation Construction (Group) Co., Ltd., Chongqing Construction Engineering Municipal Transportation Engineering Co., Ltd. Any company. The main drafters of this standard. Zhang Xiufang, Yang Fei, Chen Junqiao, Zhao Liqun, Xu Haijun, Leng Guang, Huang Jing, Yang Genhong, Wang Yuming, Zhao Lihua, Li Jun, Guo Xinyu, Li Yongxin, Dong Fengliang, Xu Kui Xue, Wang Guiling, Zhao Xiaochun, Sun Hui, Li Zhikun, Yu Yuqing, Jiang Xiaoni, Zhong Yilin, Gao Guibo, Zhang Yinxiang, Xu Guoxiao, Gao Xuejiang, Liu Guoqiang, Zhang Gang. The previous versions of the standards replaced by this standard are. ---GB/T 25181-2010. Ready mixed mortar

1 Scope

This standard specifies the classification and code of the ready-mixed mortar, marking, raw materials, requirements, preparation, test methods, inspection rules, packaging, storage and Transportation, ordering and delivery. This standard is applicable to cement-based prefabrication for masonry, plastering, floor and other projects and other uses produced by professional production plants. Mix the mortar.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB 175 universal Portland cement GB/T 201 aluminate cement GB/T 1596 for fly ash in cement and concrete GB/T 1914 chemical analysis filter paper GB/T 2015 white Portland cement GB 6566 building materials radionuclide limited GB 8076 concrete admixture GB/T 9142 concrete mixer GB/T 14684 construction sand GB/T 18046 Granulated blast furnace slag powder for cement, mortar and concrete GB/T 20472 sulphoaluminate cement GB/T 25176 Recycled fine aggregate for concrete and mortar GB/T 26408 concrete mixer truck GB/T 27690 silica fume for mortar and concrete GB/T 31288 iron tailings sand GB 50003 masonry structure design specification GB/T 50129 masonry basic mechanical properties test method standard BB/T 0065 dry mix mortar bag JC/T 474 mortar, concrete waterproofing agent JC/T 547 ceramic tile adhesive JC/T 906 cement-based wear-resistant material for concrete floors JC/T 907 concrete interface treatment agent JC/T 984 polymer cement waterproof mortar JC/T 985 cement-based self-leveling mortar for the ground JC/T 1004 ceramic tile grout JC/T 1024 wall facing mortar JC/T 2031 anti-freezing agent for cement mortar ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 25181-2019_English be delivered?

Answer: Upon your order, we will start to translate GB/T 25181-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 25181-2019_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 25181-2019_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 25181-2019?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 25181-2019 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.