GB/T 25181-2019Ready-mixed mortar (English PDF)
预拌砂浆
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 30, 2019
Implementation date
July 1, 2020
Scope
GB/T 25181-2019 is the English-translated version of 预拌砂浆.
GB/T 25181-2019 is the Chinese standard "Ready-mixed mortar". Its scope clause reads: 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.
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Document preview — GB/T 25181-2019
National Standard of the People's Republic of China
- ICS
- 91.100.10
- Classification
- P 20
- Replacing
- GB/T 25181-2010
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 classification and code, mark
- 4.1 Classification and code number
- 4.2 Mark
- 5 raw materials
- 6 Requirements
- 6.1 Wet mixed mortar
- 6.2 Dry mortar
- 7 Preparation
- 7.1 Wet mix mortar
- 7.2 Dry mortar
- 8 Test method
- 8.1 Wet mix mortar
- 8.2 dry mortar
- 9 Inspection rules
- 9.1 General requirements
- 9.2 Inspection items
- 9.3 Sampling and group approval
- 9.4 Decision Rule
- 10 Packaging, storage and transportation
- 10.1 Packing
- 10.2 Storage
- 10.3 Transportation
- 11 Order and delivery
- 11.1 Order
- 11.2 Delivery
- Appendix A (Normative Appendix) Test Method for Plastic Time
- Appendix B (normative appendix) Pressure bleeding rate test method
- Appendix C (normative appendix) Test method for consistency loss rate
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 […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.
Referenced standards
Normative references
- GB 175Common portland cement
- GB/T 201Calcium aluminate cement
- GB/T 1596Fly ash used for cement and concrete
- GB/T 1914Chemical analytical filter paper
- GB/T 2015White Portland cement
- GB 6566Limits of radionuclides in building materials
JC/T 474 · JC/T 1024
Cited by
- JG/T 521-2017Light-weight mortar
- QC/T 994-2015Demountable tank carrier vehicles
- JB/T 11859-2014Building Construction Machinery and Equipment - Wet-mixed Mortar Mixing Plant
- JB/T 12025-2014Building construction machinery and equipment - Mobile silos for dry-mixed mortar
- JG/T 426-2013Plasticizer for plastering mortar
- CECS 311-2012Technical specification for special mortar in non-fired bulk materials masonry wall
Similar standards
Editions of GB/T 25181
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 25181-2019 | Ready-mixed mortar | current edition | Current |
| GB/T 25181-2010 | Ready-mixed mortar | previous edition | Superseded |
This page sells the current edition, GB/T 25181-2019. Earlier editions are listed for reference only.
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