Standard No.:	GB 748-2005
English Name:	Sulfate Resistance Portland Cement
Chinese Name:	抗硫酸盐硅酸盐水泥
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; SAC
Issued on:	2005-04-22
Implemented on:	2005-12-1
Status:	valid
Superseding:	GB 748-1996 Sulfate resistance portland cement
Target Language:	English
File Format:	PDF
Word Count:	2500 words
Translation Price(USD):	174.0
Delivery:	via email in 1 business day

This national standard specifies the classification, terms and definitions, material requirements, strength level, technical requirements, test method, test rules, packaging, markings, transportation and storage. This national standard is applicable to sulfate-resistance Portland cements.

Foreword 1. Scope 2. Normative References 3. Classification 4. Terms and Definitions 4.1 Moderate sulfate resistance Portland cement 4.2 High sulfate-resistance Portland cement 5. Material requirements 5.1 Portland cement clinker 5.2 Gypsum 5.3 Grinding aid 6. Strength level 7. Technical requirements 7.1 Tricalcium silicate and tricalcium aluminate 7.2 Loss on ignition 7.3 Magnesia 7.4 Sulfuric anhydride 7.5 Insoluble substance 7.6 Specific surface 7.7 Setting time 7.8 Soundness 7.9 Strength 7.10 Alkali content 7.11 Sulfate-resistance 8. Test method 8.1 Tricalcium silicate and tricalcium aluminate 8.2 Loss on ignition 8.3 Magnesium oxide 8.4 Sulfur trioxide 8.5 Insoluble substance 8.6 Specific surface 8.7 Setting time 8.8 Soundness 8.9 Strength 8.10 Alkali content 8.11 Sulfate-resistance 9. Test rules 9.1 Serial number and/or sampling 9.2 Test Classification 9.3 Finished cement 9.4 Rejected product and unacceptable product 9.5 Test report 9.6 Delivery and acceptance 10. Package, marking, transportation and storage 10.1 Package 10.2 Marking 10.3 Transportation and storage