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GB/T 20186.2-2021 English PDF

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Q: Should I purchase the latest version GB/T 20186.2-2021?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20186.2-2021 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$249.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 20186.2-2021: Secondary coating materials used for optical fibre - Part 2: Modified propylene resin
Status: Valid

GB/T 20186.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20186.2-2021	249	Add to Cart	3 days	Secondary coating materials used for optical fibre - Part 2: Modified propylene resin	Valid
GB/T 20186.2-2008	399	Add to Cart	3 days	Secondary coating materials used for optical fiber -- Part 2: Modified propylene resin	Obsolete

Similar standards

YD/T 2554.1 GB/T 9771.1 GB/T 20186.1 GB/T 12357.1 GB/T 20186.3 GB/T 20184

Basic data

Standard ID: GB/T 20186.2-2021 (GB/T20186.2-2021)
Description (Translated English): Secondary coating materials used for optical fibre - Part 2: Modified propylene resin
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: M33
Word Count Estimation: 13,121
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 20186.2-2021: Secondary coating materials used for optical fibre - Part 2: Modified propylene resin

---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.
Secondary coating materials used for optical fibre - Part 2.Modified propylene resin ICS 33.180.10 M33 National Standards of People's Republic of China Replace GB/T 20186.2-2008 Secondary coating material for optical fiber Part 2.Modified polypropylene Released on 2021-10-11 2022-02-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Requirements 2 4 Test method 3 5 Inspection rules 5 6 Marking, packaging, transportation and storage 7 Appendix A (Normative Appendix) Test Method for Water Content of Secondary Coating Materials 9 Appendix B (Normative Appendix) Test method for compatibility of secondary coating material and filling compound 10

Foreword

GB/T 20186 "Secondary Coating Materials for Optical Fiber" has released the following parts. ---Part 1.Polybutylene terephthalate; ---Part 2.Modified polypropylene. This part is Part 2 of GB/T 20186. This part was drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 20186.2-2008 "Secondary Coating Materials for Optical Fiber Part 2.Modified Polypropylene", and Compared with GB/T 20186.2-2008, the main technical changes except for editorial changes are as follows. --- Deleted the size requirements of the product diameter (see 3.1 in the.2008 edition); ---Modified the index requirements for melt index, bending strength, impact strength of cantilever beam, load deformation temperature, and inspection of linear expansion coefficient Scope of testing requirements (see Table 1, Table 1 of the.2008 edition); ---Increase the index requirements and test methods for oxidation induction time at.200°C (see Table 1, 4.11); --- Added environmental performance requirements and test methods (see 3.3, 4.18); ---The requirements for standard samples have been added (see Table 3); ---Modified the test method of water content (see 4.6,.2008 edition 4.6); ---Added requirements for sample preparation in bending performance test and load deformation temperature test (see 4.9, 4.16); ---Modified the melting point test method (see 4.10,.2008 edition 4.10); ---Modified the requirements of sample preparation in the cantilever beam impact test (see Table 3, 4.13,.2008 edition 4.12); ---Modified the inspection rules (see Chapter 5); --- Modified marking, packaging, transportation and storage (see Chapter 6, Chapter 6 of the.2008 edition); --- Deleted the technical requirements and test methods of MPP loose casing (see Appendix A of the.2008 edition); ---Added Appendix A (Test Method for Water Content of Secondary Coating Materials) (see Appendix A); ---Appendix B (test method for compatibility of secondary coating material and filling compound) has been added (see Appendix B). Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents. This part was proposed by the Ministry of Industry and Information Technology of the People's Republic of China. This part is under the jurisdiction of the National Communication Standardization Technical Committee (SAC/TC485). Drafting organizations of this section. Fiberhome Technology Group Co., Ltd., Chengdu Corning Optical Cable Co., Ltd., YOFC Optical Fiber and Cable Co., Ltd., Hangzhou Fortis Communication Technology Co., Ltd., Tongding Internet Information Co., Ltd., Jiangsu Hengtong Optoelectronics Co., Ltd., Shenzhen SDG Information Co., Ltd., Zhejiang Hengtong Optical Network IOT Technology Co., Ltd., China Academy of Information and Communications Technology, Suzhou Yingmao Optoelectronic Materials Co., Ltd. Limited company. The main drafters of this section. Wei Zhongcheng, Ma Miao, Cheng Hua, Yu Youji, Liu Yuqin, Wu Jinhua, Wan Hong, Duan Jianbin, Zhang Weimin, Ding Ling, Shi Huiping, Li Guochang, Wang Xiaofeng, Liu Tai, Chen Liming, Yao Di, Li Tingting, Jia Ming, Wang Qiaoshu, Jia Bojun. The previous releases of the standards replaced by this part are as follows. ---GB/T 20186.2-2008. Secondary coating material for optical fiber Part 2.Modified polypropylene

1 Scope

This part of GB/T 20186 specifies the technical requirements and tests for the secondary coating material modified polypropylene (hereinafter referred to as MPP) for optical fiber Methods, inspection rules, marking, packaging, transportation and storage. This section applies to modified polypropylene with secondary coating materials for optical fibers.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 1033.1-2008 Determination of the density of plastic non-foam plastics Part 1.Immersion method, liquid pycnometer method and titration method GB/T 1034-2008 Determination of Water Absorption of Plastics GB/T 1036-2008 Determination of the coefficient of linear expansion of plastics at -30℃~30℃ Quartz dilatometer method GB/T 1040.1-2018 Determination of tensile properties of plastics Part 1.General GB/T 1634.2-2019 Determination of Deflection Temperature of Plastics under Load Part 2.Plastics and Ebonite GB/T 1843-2008 Determination of impact strength of plastic cantilever beam GB/T 2411-2008 Plastic and hard rubber use a durometer to determine the indentation hardness (Shore hardness) GB/T 2546.2-2003 Plastic Polypropylene (PP) Moulding and Extrusion Materials Part 2.Sample Preparation and Performance Determination GB/T 2828.1-2012 Sampling inspection procedures by attributes Part 1.Batch inspection sampling searched by acceptance quality limit (AQL) plan GB/T 2829-2002 Periodic Inspection Attribute Sampling Procedure and Table (Applicable to the inspection of process stability) GB/T 2918-2018 Standard environment for condition adjustment and testing of plastic specimens GB/T 3682.1-2018 Plastic Thermoplastic Melt Mass Flow Rate (MFR) and Melt Volume Flow Rate (MVR) Determination of Part 1.Standard Method GB/T 8170-2008 Numerical rounding rules and the expression and determination of limit values GB/T 9341-2008 Determination of bending properties of plastics GB/T 17037.1-2019 Preparation of injection molded specimens of plastic thermoplastic materials Part 1.General principles and multi-purpose tests Sample and preparation of long strip samples GB/T 19466.6-2009 Plastic Differential Scanning Calorimetry (DSC) Part 6.Oxidation induction time (isothermal OIT) and oxygen Determination of chemical induction temperature (dynamic OIT) GB/T 26125-2011 Six restricted substances in electrical and electronic products (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls and polybrominated diphenyl ethers) Determination of GB/T 28724-2012 Determination of the melting point of solid organic chemicals Differential scanning calorimetry GB/T 31838.2-2019 Dielectric and resistance characteristics of solid insulating materials Part 2.Resistance characteristics (DC method) Volume Electrical resistance and volume resistivity IEC 62321-8.2017 Determination of specific substances in electrical and electronic products Part 8.Gas chromatography-mass spectrometry (GC- MS), gas chromatography-mass spectrometer (Py/T D-GC-MS) equipped with thermal pyrolysis/thermal desorption accessories for the determination of phthalates in polymers ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 20186.2-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 20186.2-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 20186.2-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 20186.2-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 20186.2-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20186.2-2021 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.