LY/T 1355-2023 English PDF

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LY/T 1355-2023: Oleoresin
Status: Valid

LY/T 1355: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
LY/T 1355-2023	179	Add to Cart	3 days	Oleoresin	Valid
LY/T 1355-2010	679	Add to Cart	4 days	Oleoresin	Obsolete
LY/T 1355-1999	679	Add to Cart	5 days	(Turpentine)	Obsolete

Similar standards

GB/T 8140   GB/T 18011   GB/T 8146   LY/T 1644   LY/T 1699   LY/T 1302   

Basic data

Standard ID: LY/T 1355-2023 (LY/T1355-2023)
Description (Translated English): Oleoresin
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B72
Classification of International Standard: 65.050
Word Count Estimation: 9,953
Date of Issue: 2023-06-19
Date of Implementation: 2023-11-01
Issuing agency(ies): State Forestry and Grassland Administration

LY/T 1355-2023: Oleoresin

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 65.050 CCSB72 Forestry Industry Standard of the People's Republic of China Replace LY/T 1355-2010 Rosin Released on 2023-06-19 2023-11-01 Implementation The State Forestry and Grassland Administration issued

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Technical Requirements 1 4.1 Rosin 1 4.2 Loblolly pine resin 2 4.3 Requirements for water content 2 5 Sampling 2 6 Test methods 2 6.1 Appearance measurement 2 6.2 Determination of water content and mechanical impurities content 2 6.3 Determination of turpentine content 2 6.4 Rapid determination of water content, mechanical impurities content and turpentine content 3 7 Acceptance Rules 3 7.1 Acceptance 3 7.2 Result determination 3 8 Packaging, marking, transportation, storage 3 8.1 Packaging 3 8.2 Sign 3 8.3 Transport 3 8.4 Storage 3 9 Safety 3 References 4

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces LY/T 1355-2010 Rosin. Compared with LY/T 1355-2010, in addition to structural adjustments and editorial changes, the main The main technical changes are as follows. --- Changed the description of the appearance of rosin (see Table 1, Table 1 of the.2010 edition); --- Deleted the requirements for the size of mechanical impurities in the original technical requirements (see Table 1, Table 1 of the.2010 edition); --- Added technical requirements for slash pine resin (see Table 2); --- Added test methods for technical indicators (see Chapter 6); --- Added gas chromatography method for determining turpentine content (see 6.3.2); --- Added safety provisions (see Chapter 9). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the State Forestry and Grassland Administration. This document is under the jurisdiction of the National Technical Committee on Standardization of Forest Products (SC/TC558). This document was drafted by. The Institute of Forest Products Chemical Industry of the Chinese Academy of Forestry, Guangdong Kemao Forest Products Chemical Co., Ltd. Company, Guangxi Wuzhou Richeng Forest Products Chemical Co., Ltd., and Guangzhou Jingjiu Technology Consulting Service Co., Ltd. The main drafters of this document are Gao Hong, Shang Shibin, Xu Sheyang, Yang Hejian and Lin Qiuju. The previous versions of this document and the documents it replaces are as follows. ---LY/T 1355, first issued in.1999; ---First revised in.2010. Rosin

1 Scope

This document specifies the technical requirements, sampling, acceptance rules, packaging, marking, transportation, storage and safety of rosin and describes the corresponding tests. method. This document applies to rosin harvested from standing timber such as Masson pine, Elliot pine, Simiao pine, and Yunnan pine.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. LY/T 3157-2023 Rosin test method

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 A colorless, transparent fluid substance secreted by pine trees, which appears as a white to grayish white or light yellow viscous liquid or a blocky semisolid in the air.

4 Technical requirements

4.1 Rosin The technical indicators of each grade of rosin shall meet the requirements of Table 1.When source identification is not performed, all rosin products shall be Grading. Table 1 Technical indicators of rosin project index Special Grade 1, 2 Exterior Fresh white, Semi-fluid or blocky semi-solid, No yellow lumps Fresh white or slightly yellow, Semi-fluid or blocky semi-solid, No yellow lumps Off-white, Semi-fluid or blocky semi-solid, No yellow lumps No other artificial additives, no free water Turpentine content/% ≥23 ≥17 ≥13 Mechanical impurities/% ≤3 ≤5 ......

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