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YD/T 1118.3-2018

Chinese Standard: 'YD/T 1118.3-2018'
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YD/T 1118.3-2018
COMMUNICATION INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 33.180.10
M 33
Secondary coating materials used for optical fiber -
Part 3: Modified polycarbonate
光纤用二次被覆材料
第 3部分: 改性聚碳酸酯
ISSUED ON: DECEMBER 21, 2018
IMPLEMENTED ON: APRIL 01, 2019
Issued by: Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword ... 4 
1 Scope ... 5 
2 Normative references ... 5 
3 Requirements ... 6 
3.1 Appearance ... 6 
3.2 Physical and electrical properties ... 6 
4 Test method ... 7 
4.1 Appearance ... 7 
4.2 Preparation of specimen ... 8 
4.3 Standard environment for conditioning and testing of plastic specimens ... 8 
4.4 Density ... 8 
4.5 Melt index ... 8 
4.6 Moisture ... 8 
4.7 Saturated water absorption... 8 
4.8 Tensile yield strength, tensile yield elongation, elongation at break, tensile elastic modulus
... 8 
4.9 Bending strength ... 9 
4.10 Shore hardness HD ... 9 
4.11 Izod impact strength ... 9 
4.12 Linear expansion coefficient ... 9 
4.13 Volume resistivity ... 10 
4.14 Thermal distortion temperature ... 10 
4.15 Mold shrinkage ... 10 
4.16 Compatibility of materials and filling factice ... 10 
5 Inspection rules ... 10 
5.1 General ... 10 
5.2 Classification of inspections ... 10 
5.3 Exit-factory inspection ... 11 
5.4 Type inspection ... 12 
6 Marking, packaging, transportation, storage ... 13 
6.1 Marking and packaging ... 13 
6.2 Transportation ... 13 
6.3 Storage ... 13 
Appendix A (Informative) Technical requirements and test methods of PC loose-
tube... 14 
Secondary coating materials used for optical fiber -
Part 3: Modified polycarbonate
1 Scope
This part specifies the technical requirements, test methods, inspection rules,
marking, packaging, transportation and storage of modified polycarbonate
(hereinafter referred to as PC) of secondary coating materials for optical fibers.
This part applies to modified polycarbonate of secondary coating materials for
optical fibers.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB/T 1033 Plastics - Determination of density of non-foam plastics (ISO
1183:2004, MOD)
GB/T 1034-2008 Plastics - Determination of water absorption of plastics
(ISO 62:2008, IDT)
GB/T 1036 Test method for coefficient of linear thermal expansion of
plastics between -30 °C and 30 °C with a vitreous silica dilatometer
GB/T 1040.2-2006 Plastics - Determination of tensile properties - Part 2: Test
conditions for molding and extrusion plastics (ISO 572-2:1993, IDT)
GB/T 1410-2006 Methods of test for volume resistivity and surface resistivity
of solid electrical insulating materials (IEC 60093:1980, IDT)
GB/T 1634-2004 Plastics - Determination of temperature of deflection
under load (ISO 75:2003, IDT)
GB/T 1843-2008 Plastics - Determination of Izod impact strength (ISO
180:2000, IDT)
GB/T 2411 Plastics and ebonite - Determination of indentation hardness by
means of a durometer (shore hardness) (ISO 868:2003, IDT)
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1:
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection (ISO 2859-1:1999, IDT)
GB/T 2918-1998 Plastics - Standard atmospheres for conditioning and
testing (ISO 291:1997, IDT)
GB/T 3682-2000 Determination of the melt mass-flow rate (MFR) and the
melt volume-flow rate (MVR) of thermoplastics (ISO 1133:1997, IDT)
GB/T 9341-2008 Plastics - Determination of flexural properties (ISO
178:2001, IDT)
GB/T 17037.1 Injection molding of test specimens of thermoplastic materials
- Part 1: General principles and molding of multipurpose and bar test
specimens (ISO 294-1:2001, IDT)
GB/T 17037.4 Plastic - Injection molding of test specimens of
thermoplastic materials - Part 4: Determination of molding shrinkage (ISO
294-4:1996, IDT)
YD/T 1118.1-2001 Secondary coating materials used for optical fiber - Part
1: Polybutylene terephthalate
3 Requirements
3.1 Appearance
The product should be colorless and transparent cylindrical particles with a
diameter of 2 mm to 5 mm and a length of 2 mm to 5 mm. The particles shall
b......
Related standard:   YD/T 1118.1-2019  YD/T 1118.2-2019
   
 
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