Standard No.:	GB/T 8485-2008
English Name:	The graduation and test for airborne sound insulating properties of windows and doors
Chinese Name:	建筑门窗空气声隔声性能分级及检测方法
Chinese Classification:	P32    Building construction and decoration engineering
Professional Classification:	GB    National Standard
ICS Classification:	91.060.50 91.060.50    Doors and windows 91.060.50
Issued by:	AQSIQ; SAC
Issued on:	2008-7-30
Implemented on:	2009-3-1
Status:	valid
Superseding:	GB/T 16730-1997 建筑用门空气声隔声性能分级及其检测方法
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	120.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the graduation, test method and test report for airborne sound insulating properties of building windows and doors. This standard is applicable to the graduation and test of airborne sound insulating properties of building windows and doors. The other windows and doors with sound insulation requirement may also be made reference to this standard. 2 Normative References The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition of the normative document referred to applies.

Contents Foreword I 1 Scope 2 Normative References 3 Terms and Definitions 4 Graduation 5 Tests 6 Test Report Appendix A (Normative) Test and Correction of Indirect Sound Transmission Influence of Filler Wall Appendix B (Informative) Representation Format of the Relation Chart between Sound Reduction Index of Specimen and Frequency Appendix C (Informative) Comparison Table of Sound Insulating Property Graduation Between GB/T 8485-2008, GB/T 8485-2002 and GB/T 16730-