Standard No.:	GB/T 13477.20-2002
English Name:	Test method for building sealants Part 20: Determination of staining
Chinese Name:	建筑密封材料试验方法 第20部分: 污染性的测定
Chinese Classification:	Q24    Sealing material
Professional Classification:	GB    National Standard
ICS Classification:	91.100.50 91.100.50    Binders. Sealing materials 91.100.50
Source Content Issued by:	AQSIQ
Issued on:	2002-12-17
Implemented on:	2003-6-1
Status:	superseded
Superseded by:	GB/T 13477.20-2017 Test method for building sealants―Part 20:Determination of staining
Superseded on:	2018-6-1
Superseding:	GB/T 13477-1992 Test method of building sealants
Target Language:	English
File Format:	PDF
Word Count:	3000 words
Translation Price(USD):	90.0
Delivery:	via email in 1~3 business day

GB/T 13477的本部分规定了建筑密封材料污染性的测定方法。本部分的试验方法A适用于单组分溶剂型密封材料组分渗出、扩散程度的测定。其他类型的密封材料也可参照采用。本部分的试验方法B适用于在加速试验条件下弹性密封材料对多孔基材（如大理石、石灰石、砂石、花岗石等）污染性的测定。