| Standard ID | YD/T 1118.1-2019 (YD/T1118.1-2019) |
| Description (Translated English) | Secondary coating materials used for loose tube of optical fibre -- Part 1: Polybutylene terephthalate |
| Sector / Industry | Telecommunication Industry Standard (Recommended) |
| Classification of Chinese Standard | M33 |
| Classification of International Standard | 33.180.10 |
| Word Count Estimation | 30,340 |
| Date of Issue | 2019-11-11 |
| Date of Implementation | 2020-01-01 |
| Older Standard (superseded by this standard) | YD/T 1118.1-2001 |
| Quoted Standard | GB/T 1033.1-2008; GB/T 1034-2008; GB/T 1036-2008; GB/T 1040.1-2006; GB/T 1040.2-2006; GB/T 1410-2006; GB/T 1634.1-2004; GB/T 1634.2-2004; GB/T 1843-2008; GB/T 2411-2008; GB/T 2828.1-2012; GB/T 2918-1998; GB/T 2951.11-2008; GB/T 3682-2000; GB/T 3979-2008 |
| Drafting Organization | Fiberhome Technology Group Co., Ltd. |
| Administrative Organization | China Communications Standards Association |
| Regulation (derived from) | Announcement No. 48 of 2019 from the Ministry of Industry and Information Technology |
| Issuing agency(ies) | Ministry of Industry and Information Technology |
| Summary | This standard specifies the technical requirements, test methods, inspection rules, signs, packaging, transportation and storage of polybutylene terephthalate (hereinafter referred to as PBT), a secondary coating material for optical fibers. This section applies to the secondary coating material polybutylene terephthalate for optical fibers, and other PBT for similar purposes can also be used as a reference. |