GB/T 1345-2005: The test sieving method for fineness of cement

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Scope

This Standard specifies the sieving method for fineness of cement by 45 μm
square-aperture standard sieves and 80 μm square-aperture standard sieves.
This Standard applies to Portland cement, ordinary Portland cement, slag
Portland cement, pozzolanic Portland cement, fly ash Portland cement,
composite Portland cement, and other types of cement and powdery materials
designated to use this Standard.

Basic Data

Standard ID	GB/T 1345-2005 (GB/T1345-2005)
Description (Translated English)	The test sieving method for fineness of cement
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Q11
Classification of International Standard	91.100.10
Word Count Estimation	9,999
Date of Issue	2005-01-19
Date of Implementation	2005-08-01
Older Standard (superseded by this standard)	GB/T 1345-1991
Quoted Standard	GB/T 5329; GB/T 6003.1; GB/T 6005; GB 12573-1990; GSB 14-1511; JC/T 728
Regulation (derived from)	Announcement of Newly Approved National Standards No. 2, 2005 (No. 76 overall)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee
Summary	This standard specifies: 45��m and 80��m square hole standard sieve square hole standard sieve cement fineness sieve analysis test methods. This standard applies to: Portland cement, ordinary portland cement, slag cement, pozzolana Portland cement, fly ash cement, composite Portland cement and specify this standard other varieties cement and powdered materials.