Standard No.:	GB 11415-1989
English Name:	Laboratory sintered(fritted) filters-Porosity grading, classification and designation
Chinese Name:	实验室烧结(多孔)过滤器 孔径、分级和牌号
Chinese Classification:	Y22    Daily use glass products
Professional Classification:	GB    National Standard
ICS Classification:	71.040.20 71.040.20    Laboratory ware and related apparatus 71.040.20
Issued by:	AQSIQ
Issued on:	1989-6-8
Implemented on:	1990-2-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	90.00
Delivery:	via email in 1 business day

1 Scope and field of application



This Standard specifies a system of porosity grading, classifying and designating laboratory sintered (fritted) filters by the determination of pore size.

This Standard is applicable to laboratory sintered filters made of glass, vitreous silica, ceramics, metals and plastic materials.