GB/T 35805-2018Broodlac(Kerria yunnanensis) (English PDF)
紫胶虫种胶
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
February 6, 2018
Implementation date
September 1, 2018
Scope
GB/T 35805-2018 is the English-translated version of 紫胶虫种胶.
GB/T 35805-2018 covers broodlac of Kerria yunnanensis, the Yunnan lac insect: the fresh lac-bearing branches harvested from the host tree to stock the next generation of lac insects.
It applies to both the winter and the summer broodlac of this main Chinese lac insect species. It defines the terms used to judge it, such as degree of maturity, fecundity, the ratio of lac to broodlac and the thickness of the sticklac, and sets the quality requirements, sampling, test methods and inspection rules.
It also covers marking, packaging, temporary storage and transport, and cites GB/T 8142 on the sampling of shellac products. It was issued on 6 February 2018 and has applied since 1 September 2018.
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Document preview — GB/T 35805-2018
National Standard of the People's Republic of China
- ICS
- 65.020
- Classification
- B 72
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the terms and definitions of shellac seed gum, quality requirements, sampling, testing methods, inspection rules, signs, packaging, temporary storage and Transport requirements.
This standard applies to China's major species of rubber insects --- Yunnan lac insect winter and summer plastic.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 679 chemical reagents ethanol (95%)
GB/T 1266 chemical reagents sodium chloride
GB/T 8142 shellac product sampling method
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Broodlac
Kerria yunnanensis parasitizes the host tree for development and maturation, harvesting for feeding the next generation of shellac Fresh branches.
3.2 Winter broodlac
Lac insect parasitic on the host tree, after the winter maturity, for the summer stocking live live fresh branches.
3.3 Summer broodlac
Lac insect parasitic on the host tree, after the summer maturity, stocking for live winter worms fresh branches.
3.4 Degree of maturity
The retina of the retina develops to the extent that the offspring can produce offspring (stage 5).
3.5 Fecundity
The number of eggs that individual females nurture.
3.6 Ratio of lac to broodlac
The kind of plastic on the fresh plastic mass and gum quality ratio.
3.7 Thickness of sticklac
The amount of fresh plastic block peeled off the thickness of the degree.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 1266-1986 — Chemical reagents--Sodium chloride
GB/T 1266-2006 — Chemical reagents -- Sodium chloride
GB/T 679-2002 — Chemical reagent -- Ethanol
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