Standard No.:	JC/T 749-2010
English Name:	Rubber gasket ring of prestressed and self - stressing concrete pipe
Chinese Name:	预应力与自应力混凝土管用橡胶密封圈试验方法
Chinese Classification:	Q24    Sealing material
Professional Classification:	JC    Professional Standard - Building Material
ICS Classification:	91.100.50 91.100.50    Binders. Sealing materials 91.100.50
Issued by:	State Economic and Trade Commission
Issued on:	2010-11-22
Implemented on:	2011-3-1
Status:	valid
Superseding:	JC/T 749-1987（1996）
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	100.00
Delivery:	via email in 1~3 business day

本标准规定了预应力与自应力混凝土管用橡胶密封圈试验方法的有害物含量测定、性能试验、胶圈尺寸测量和外观质量检查等内容。
本标准适用于预应力混凝土管、自应力混凝土管、预应力钢筒混凝土管等输送饮用水的管道橡胶密封圈的试验。