Standard No.:	GB/T 14190-2008
English Name:	Test methods of fiber grade polyester chip
Chinese Name:	纤维级聚酯切片（PET）试验方法
Chinese Classification:	W50    Chemical fibre in general
Professional Classification:	GB    National Standard
ICS Classification:	59.060.01 59.060.01    Textile fibres in general 59.060.01
Source Content Issued by:	AQSIQ; SAC
Issued on:	2008-06-18
Implemented on:	2009-3-1
Status:	superseded
Superseded by:	GB/T 14190-2017 Testing methods of fiber grade polyester（PET）chip
Superseded on:	2018-7-1
Superseding:	GB/T 14190-1993 Analysis methods for fiber grade polyester chip
Target Language:	English
File Format:	PDF
Word Count:	10000 words
Translation Price(USD):	200.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the testing methods for the analysis items of fiber grade polyester chip (PET). This standard is applicable to the polyester chips made of terephthalic acid and ethanediol; other functional polyester may make reference to this standard. 2 Normative References The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies. GB/T 601 Chemical Reagent - Preparations of Standard Volumetric Solutions GB/T 603 Chemical Reagent - Preparations of Reagent Solutions for Use in Test Methods GB/T 4146 Textile Terms and Terminology (Parts of Chemical Fibers) GB/T 6678 General Principles for Sampling Chemical Products GB/T 6682 Water for Analytical Laboratory Use-Specification and Test Methods GB/T 8170 Rules for Rounding off of Numerical Values ISO 3105 Glass Capillary Kinematic Viscometers - Specification and Operating Instructions 3 Terms and Definitions For the purpose of this Standard, the following terms and definitions as well as those specified in GB/T 4146 apply. 3.1 Bright polyester chip Polyester chip with titanium dioxide content less than or equal to 0.12% (mass fraction) 3.2 Semi-dull polyester chip Polyester chip with titanium dioxide content greater than 0.12% and less than or equal to 0.5% (mass fraction).

Contents Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 General Principles for Testing 4.1 Sampling 4.2 Safety Warning 4.3 General Requirements 5 Testing Methods 5.1 Testing Method of Intrinsic Viscosity 5.2 Testing Method of Diethylene Glycol 5.3 Testing Method of Melting Point 5.4 Testing Method of Terminal Carboxyl Group 5.5 Testing Method of Chroma 5.6 Testing Method of Agglomerate Particle 5.7 Testing Method of Moisture 5.8 Testing Method of Powder Dust and Irregular Chip 5.9 Testing Method of Titanium Dioxide Content 5.10 Testing Method of Ash Content 5.11 Testing Method of Iron Content 5.12 Test Report