Standard No.:	GB/T 8139-2009
English Name:	Dewaxed shellac,decolorized shellac,decolorized and dewaxed shellac
Chinese Name:	脱蜡紫胶片、脱色紫胶片和脱色脱蜡紫胶片
Chinese Classification:	B72    Forestry chemical raw material
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ; SAC
Issued on:	2009-5-12
Implemented on:	2009-11-1
Status:	valid
Superseding:	GB/T 8139-1987
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	100.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the technical requirements, sampling, test methods and inspection rules as well as marking, packaging, transport and storage of dewaxed shellac, decolorized shellac, and decolorized and dewaxed shellac. This standard is applicable to the shellacs dewaxed by solvent method and decolorized by activated carbon. 2 Normative references The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition applies. GB/T 8142-2008 Methods of sampling lac products GB/T 8143-2008 Test methods of lac products 3 Terms and definitions For the purpose of this standard, the following terms and definitions apply. 3.1 dewaxed shellac shellac refined by solvent method to remove wax from lac or granular lac 3.2 decolorized shellac

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Technical requirements 5 Sampling 6 Test methods 7 Inspection rules 8 Marking, packaging, transport and storage