Standard No.:	JC/T 449-2021
English Name:	Raw materials for magnesia cementitious material
Chinese Name:	镁质胶凝材料用原料
Professional Classification:	JC    Professional Standard - Building Material
Issued by:	MIIT
Issued on:	2021-3-5
Implemented on:	2021-7-1
Status:	valid
Superseding:	JC/T 449-2008 Eaw materials for magnesia cement
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	150.00
Delivery:	via email in 1~3 business day

本标准规定了镁质胶凝材料用原料的技术要求、试验方法、检验规则、包装、标志、运输和贮存。
本标准适用于由菱镁矿（MgCO3）经轻烧、粉磨而制成的轻烧氧化镁，由盐卤液经干燥处理制得的氯化镁以及副产法生产的硫酸镁，作为镁质胶凝材料用原料。