Standard No.:	GB 200-2003
English Name:	Moderate Heat Portland Cement Low Heat Portland Cement Low Heat Port
Chinese Name:	中热硅酸盐水泥 低热硅酸盐水泥 低热矿渣硅酸盐水泥
Chinese Classification:	Q11    Cement
Professional Classification:	GB    National Standard
ICS Classification:	91.100.10 91.100.10    Cement. Gypsum. Lime. Mortar 91.100.10
Source Content Issued by:	AQSIQ
Issued on:	2003-05-22
Implemented on:	2004-1-1
Status:	superseded
Superseded by:	GB/T 200-2017 Moderate-heat portland cement,low-heat portland cement
Superseded on:	2018-11-1
Superseding:	GB 200-1989 Moderate heat portland cement-Low heat portland slag cement
Target Language:	English
File Format:	PDF
Word Count:	3500 words
Translation Price(USD):	70.0
Delivery:	via email in 1 business day

This national standard specifies the classification, terms and definitions, materials requirements, strength levels, technical specifications, test method, test rules, packaging, marking, transportation and storage of moderate heat Portland cement, low heat Portland cements and low heat Portland slag cement. This national standard is applicable to moderate heat Portland cement, low heat Portland cement and low heat Portland slag cement.

1 Scope 2. Standard Reference 3. Definitions and Code Number 3.1 Moderate heat Portland cement 3.2 Low heat Portland cement 3.3 Low heat Portland slag cement 4 Composition and Material 4.1 Composition 4.2 Portland cement clinker 4.2.1 Moderate heat Portland cement clinker 4.2.2 Low heat Portland cement clinker 4.2.3 Low heat Portland slag cement clinker 4.3 Granulated blast-furnace cinder, granulated electric furnace phosphorous slag and fly-ash 4.4 Gypsum 4.5 Grinding aids 5 Strength Level 6 Technical Specifications 6.1 Magnesium oxide 6.2 Alkali content 6.3 Sulfur trioxide 6.4 Loss on ignition 6.5 Specific surface 6.6 Setting time 6.7 Soundness 6.8 Strength 6.9 Hydration heat 6.10 28d hydration heat of low heat cement 7. Testing Method 7.1 calcium oxide (CaO), sulfur trioxide silicon dioxide (SiO2), alumina (Al2O3), ferric oxide (Fe2O3), magnesium oxide (MgO), sulfur trioxide (SO3), loss on ignition, free calcium oxide, sodium oxide (Na2O) and potassium oxide (K2O). 7.2 Specific surface 7.3 Setting time and soundness 7.4 Autoclave soundness 7.5 Strength 7.6 Hydration heat 8. Test Rules 8.1 Serial number and sampling 8.2 Test Classification 8.2.1 Factory inspection 8.2.2 Type-approval Test 8.3 Finished cement 8.4 Rejected product and unacceptable product 8.4.1 Rejected product 8.4.2 Unacceptable product 8.5 Test report 8.6 Delivery and acceptance 8.6.1 Delivery 8.6.2 Acceptance 9. Packaging, Marking, Transportation and Storage 9.1 Packing 9.2 Marking 9.3 Transportation and storage