GB/T 41873-2022 PDF in English
GB/T 41873-2022 (GB/T41873-2022, GBT 41873-2022, GBT41873-2022)
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| GB/T 41873-2022 | English | 170 |
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Plastics -- Polyetheretherketone (PEEK) resin
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GB/T 41873-2022: PDF in English (GBT 41873-2022) GB/T 41873-2022
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 83.080.20
CCS G 32
Plastics - Polyetheretherketone (PEEK) resin
塑料 聚醚醚酮(PEEK)树脂
ISSUED ON: OCTOBER 12, 2022
IMPLEMENTED ON: MAY 1, 2023
Issued by: State Administration for Market Regulation;
Standardization Administration of the PRC.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 5
4 Designation and specifications ... 5
5 Technical requirements ... 6
6 Test methods ... 7
7 Inspection rules ... 8
8 Marking, packaging, transportation, and storage ... 10
Plastics - Polyetheretherketone (PEEK) resin
1 Scope
This document specifies the product classification, technical requirements, test methods,
inspection rules, marking, packaging, transportation, and storage of
polyetheretherketone resin.
This document is applicable to polyetheretherketone resins that use hydroquinone and
4,4'-difluorobenzophenone as monomers and contain repeating units of one ketone
bond and two ether bonds in the main chain structure.
This document does not apply to pigmented, filled, reinforced, blended
polyetheretherketone resins.
2 Normative references
The contents of the following documents, through normative references in this text,
constitute indispensable provisions of this document. Among them, for dated references,
only the edition corresponding to that date applies to this document. For undated
references, the latest edition (including all amendments) applies to this document.
GB/T 1033.1 Plastics - Methods for determining the density of non-cellular plastics
- Part 1: Immersion method, liquid pycnometer method and titration method
GB/T 1040.1 Plastics - Determination of tensile properties - Part 1: General
principles
GB/T 1040.2 Plastics - Determination of tensile properties - Part 2: Test conditions
for moulding and extrusion plastics
GB/T 1634.2 Plastics - Determination of temperature of deflection under load - Part
2: Plastics and ebonite
GB/T 1843 Plastics - Determination of izod impact strength
GB/T 2547 Plastic resins - Sampling
GB/T 2918 Plastics - Standard atmospheres for conditioning and testing
GB/T 3682.1 Plastics - Determination of the melt mass-flow rate (MFR) and melt
volume-flow rate (MVR) of thermoplastics - Part 1: Standard method
GB/T 8170 Rules of rounding off for numerical values and expression and
judgement of limiting values
GB/T 9341 Plastics - Determination of flexural properties
GB/T 17037.1 Plastics - Injection moulding of test specimens of thermoplastic
materials - Part 1: General principles, and moulding of multipurpose and bar test
specimens
GB/T 19466.2 Plastics - Differential scanning calorimetry (DSC) - Part 2:
Determination of glass transition temperature
GB/T 19466.3 Plastics - Differential scanning calorimetry (DSC) - Part 3:
Determination of temperature and enthalpy of melting and crystallization
GB/T 25278 Plastics - Determination of the fluidity of plastics using capillary and
slit-die rheometers
YY/T 0660 Standard Specification for Polyetheretherketone (PEEK) polymers for
Surgical Implant Applications
ISO 23153-1 Plastics - Polyetheretherketone (PEEK) moulding and extrusion
materials - Part 1: Designation system and basis for specifications
3 Terms and definitions
This document does not have terms and definitions that need to be defined.
4 Designation and specifications
The designation of products in this document is carried out in accordance with the
provisions of ISO 23153-1.
Example: A polyetheretherketone resin is granular (G, see Table 1 for classification); has a melt
viscosity of 410 Pa · s (A4, see Table 2 for classification). It is designated as:
rate is 1000 s-1. The die length-to-diameter ratio L/D is 20 : 1.
6.6 Tensile yield stress
Carry out in accordance with the methods specified in GB/T 1040.1 and GB/T 1040.2.
The test specimen is type 1A. The test speed is 50 mm/min.
6.7 Tensile modulus
Carry out in accordance with the methods specified in GB/T 1040.1 and GB/T 1040.2.
The test specimen is type 1A. The test speed is 1 mm/min.
6.8 Flexural strength and flexural modulus
Carry out according to the method specified in GB/T 9341. The test speed is 2 mm/min.
6.9 Izod notched impact strength
Carry out in accordance with the method specified in GB/T 1843. The type of notch is
type A.
6.10 Glass-transition temperature
The glass-transition temperature shall be carried out according to the regulations in
GB/T 19466.2.
6.11 Melting peak temperature
The melting peak temperature shall be carried out according to the regulations in GB/T
19466.3.
6.12 Temperature of deflection under load
Carry out in accordance with the provisions in GB/T 1634.2. The bending load is 1.80
MPa; lay flat.
6.13 Density
Carry out in accordance with the provisions in GB/T 1033.1. Use the immersion method.
The test sample shall be the specimen after injection moulding.
7 Inspection rules
7.1 Inspection classification
Product inspection is divided into two types: Type inspection and exit-factory
inspection.
7.2 Inspection items
All items specified in Clause 5 are type inspection items. Type inspection shall be
carried out in the following situations:
a) When new products are trial-formulated and identified;
b) After formal production, if the raw materials or processes have changed
significantly, which may affect the product performance;
c) When the product device is overhauled and production is resumed;
d) When the exit-factory inspection results are significantly different from the last
type inspection results;
e) Other situations that require type inspection.
The exit-factory inspection items of polyetheretherketone resin shall at least include
fluidity and mechanical properties.
7.3 Rules for lot grouping
It shall take polyetheretherketone products of the same designation - produced on the
same production line, with the same raw materials, and with the same process - as one
lot. The production plant can also batch the products according to a certain production
cycle or a storage bin. Products are inspected and accepted in lots.
7.4 Sampling plan
The manufacturer can, according to the actual situation such as the production cycle,
determine the specific sampling plan.
The sampling of packaged products shall be carried out in accordance with the
provisions in GB/T 2547.
7.5 Determination rules
The inspection shall be carried out in accordance with the test methods specified in this
document. According to the inspection results and the requirements of this document,
make a conformity determination on the product. Only when all item indicators meet
the requirements, can it be determined as conformity.
7.6 Re-inspection rules
If a certain indicator in the inspection results does not meet the requirements of this
document, it is possible to re-sample from this lot of products with double the number
of sampling units AND re-inspect the item. The re-inspection results shall be used as
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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