Standard Number: GB/T 8137-2009
Title: Seed lac
Language: Simplified Chinese
Publication Date: 2009/5/12
Execute Date: 2009/11/1
Standard Type: Product
Publisher: Chinese Standards(GB)
Number of Pages:
Preface: Words instead of this standard GB/T8137-1987 before the particulate shellac. Compared this standard with GB/T8137-1987, the main changes are as follows: - increases the normative reference files; -- modification level are identified as: level 1, level 2, level 3, 4, 5; - remove the technical requirements In the measurement requirements; --, increase the technical requirements of "heat curing time (hot) life" indicators and requirements; - increases the chapter 5 "sampling"; - increased inspection rules of classification and the provisions of the inspection items; - increases the storage and transportation environment temperature requirements. This standard is put forward by the state forestry administration . This standard by the Chinese forestry science institute under centralized forest chemical industry research institute. This standard by the Chinese academy of forestry science institute of entomology, resource responsible for drafting. Main drafter of this standard: rock mines, Zhao Hong, xiao-ming Chen, GanJin. This standard replaced all previous releases of standard as follows: -- - GB/T8137-1 ９８７
Description:Technical requirements of this standard specifies the particulate shellac, sample, test methods, inspection rule and marks, packaging, storage and transportation.
this standard applies to the purple collagen gel color through crushing, screening, washing, dry granular lac after processing.
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Tile in English: Seed lac