Standard No.:	JC/T 903-2012
English Name:	Granulated Wool for Acoustical Ceiling
Chinese Name:	吸声板用粒状棉
Professional Classification:	JC    Professional Standard - Building Material
Issued by:	MIIT
Issued on:	18-Apr-07
Implemented on:	2007-11-1
Status:	valid
Superseding:	JC/T 903-2002 Grandulated wool for acoustical ceiling
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	314.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the terms and definitions, marking, requirements, test methods, inspection rules, marking, packaging, transport and storage of granulated wool for acoustical ceiling (hereinafter referred to as "granulated wool"). This standard is applicable to the granulated wool which takes slag and rock as the major raw materials and is mainly applied in the manufacture of acoustic ceilings. As for the granulated wool for other services, it may be applied for reference. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendment) applies. GB/T 4132 Definitions of Terms Relating to Thermal Insulating Materials GB/T 5480 Test Methods for Mineral Wool and Its Products GB/T 11835-2007 Rock Wool Slag Wool and Its Products for Thermal Insulation GB/T 20313 Hygrothermal Performance of Building Materials and Products - Determination of Moisture Content by Drying at Elevated Temperature 3 Terms and Definitions