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GB/T 35598-2022: Heat resistant appliance pressed from borosilicate glass
Status: Valid GB/T 35598: Evolution and historical versions
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| GB/T 35598-2022 | English | 299 |
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Heat resistant appliance pressed from borosilicate glass
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GB/T 35598-2022
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| GB/T 35598-2017 | English | 165 |
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Heat resistant glass wares by pressing
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GB/T 35598-2017
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Basic data | Standard ID | GB/T 35598-2022 (GB/T35598-2022) | | Description (Translated English) | Heat resistant appliance pressed from borosilicate glass | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N64 | | Classification of International Standard | 81.040.01 | | Word Count Estimation | 14,118 | | Date of Issue | 2022-10-12 | | Date of Implementation | 2023-05-01 | | Older Standard (superseded by this standard) | GB/T 35598-2017 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 35598-2022: Heat resistant appliance pressed from borosilicate glass---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.
Heat resistant appliance pressed from borosilicate glass
ICS 81.040.01
CCSN64
National Standards of People's Republic of China
Replacing GB/T 35598-2017
Borosilicate glass pressed heat-resistant ware
Released on 2022-10-12
2023-05-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
table of contents
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Technical requirements 2
4.1 Physical and chemical properties 2
4.2 Structural Design 3
4.3 Appearance requirements 3
5 Test method 5
5.1 Physical and chemical properties 5
5.2 Structural Design 6
5.3 Appearance requirements 6
6 Inspection rules 6
6.1 Inspection classification and inspection items 6
6.2 Factory inspection 6
6.3 Type inspection 7
6.4 Judgment rule 7
7 Labeling, packaging, transportation and storage 7
7.1 Flag 7
7.2 Packaging 7
7.3 Transport 8
7.4 Storage 8
Appendix A (Normative) Determination of Arsenic and Antimony Migration 9
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents"
to be drafted.
This document replaces GB/T 35598-2017 "Borosilicate Glass Pressed Heat-resistant Appliances". Compared with GB/T 35598-2017, except
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) The requirements for linear thermal expansion coefficient have been changed (see 4.1, 3.2 of the.2017 edition);
b) Added the requirement for the content of diboron trioxide (see 4.1);
c) Increase the water resistance requirements of the inner surface (see 4.1);
d) Changed the requirements for water resistance of glass particles at 98°C (see 4.1, 3.2 of the.2017 edition);
e) Added requirements for water resistance of glass particles at 121°C (see 4.1);
f) Changed the thermal shock resistance temperature requirements (see 4.1, 3.2 of the.2017 edition);
g) Changed the migration requirements of lead and cadmium (see 4.1, 3.2 of the.2017 edition);
h) Changed the migration requirements of arsenic and antimony (see 4.1, 3.2 of the.2017 edition);
i) Changed the requirements for the joint line (see 4.2.3, 3.3.3 of the.2017 edition);
j) Changed the requirements for air bubbles (see 4.3.1, 3.4.1 of the.2017 edition);
k) Changed the requirements for stones (see 4.3.2, 3.4.2 of the.2017 edition);
l) Changed the requirements for knots (see 4.3.3, 3.4.3 of the.2017 edition);
m) Changed the requirements for stripes (see 4.3.4, 3.4.4 of the.2017 edition);
n) Change the requirements for scratches and abrasions (see 4.3.5, 3.4.5 of the.2017 edition);
o) Added the referee test method for linear thermal expansion coefficient (see 5.1.1);
p) Added the test method for diboron trioxide content (see 5.1.2);
q) Added the water resistance test method of the inner surface (see 5.1.3);
r) Added the water resistance test method of glass particles at 121°C (see 5.1.5);
s) Added the referee test method for acid resistance (see 5.1.7);
t) The test method for migration of lead and cadmium has been changed (see 5.1.10, 4.1.5 of the.2017 edition);
u) The test method for migration of arsenic and antimony has been changed (see 5.1.11, 4.1.5 of the.2017 edition);
v) Changed the inspection level and acceptance quality limit (see 6.2.1, 5.2.1 of the.2017 edition);
w) The packaging method has been changed (see 7.2, 6.2 of the.2017 edition).
Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China National Light Industry Council.
This document is under the jurisdiction of the National Standardization Technical Committee for Glass Instruments (SAC/TC178).
This document is drafted by. Shandong Heishan Glass Group Co., Ltd., Beijing Pharmaceutical Packaging Materials Inspection Institute, Shandong Linuo Special Glass Co., Ltd.
Co., Ltd., Chongqing Yuanling Glass Co., Ltd., Shandong Lehejia Commodity Co., Ltd.
The main drafters of this document. Zhao Shuangqing, Yuan Chunmei, Zhang Haixiang, Fan Qingbin, Liang Ye, Han Xiangjun, Xu Zhengben.
The release status of previous versions of this document and the documents it replaces are as follows.
---First published as GB/T 35598-2017 in.2017;
--- This is the first revision.
Borosilicate glass pressed heat-resistant ware
1 Scope
This document specifies the terms and definitions, technical requirements, test methods, inspection rules and signs, packages of borosilicate glass pressed heat-resistant utensils.
Packing, transportation and storage.
This document applies to machine or hand pressed borosilicate glass heat-resistant appliances.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
GB/T 191 Packaging, storage and transportation icon marks
GB/T 622 chemical reagent hydrochloric acid
GB/T 629 chemical reagent sodium hydroxide
GB/T 1628 Glacial acetic acid for industrial use
GB/T 2828.1 Counting sampling inspection procedure Part 1.Batch-by-batch inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 4548 Test method and classification of inner surface water erosion resistance of glass containers
GB 4806.5 Food Safety National Standard Glass Products
GB/T 6543 Single and double corrugated cartons for transport packaging
GB/T 6579 Test method for thermal shock and thermal shock strength of laboratory glass instruments
GB/T 6580 Test method and classification of glass resistance to boiling mixed alkali aqueous solution
GB/T 6581 Flame Emission or Atomic Absorption Spectrometry Determination Method of Resistance to Hydrochloric Acid Etching of Glass at 100°C
GB/T 6582 Water resistance test method and classification of glass particles at 98°C
GB/T 12416.2 Test method and classification of water resistance of glass particles at 121°C
GB/T 15347 Chemical Reagent L()-Ascorbic Acid
GB/T 15726 Test method for internal stress of glass instruments
GB/T 15728 Gravimetric test method and classification of glass resistance to boiling hydrochloric acid attack
GB/T 16920 Determination of average linear thermal expansion coefficient of glass
GB/T 28194 Determination of Coefficient of Thermal Expansion of Glass Bilinear Normal
GB/T 28209 Methods for Chemical Analysis of Borosilicate Glass
GB 31604.24 National Food Safety Standard Determination of Cadmium Migration in Food Contact Materials and Products
GB 31604.34 National Food Safety Standard Determination of Lead in Food Contact Materials and Products and Determination of Migration
GB/T 35595 Method for Determination of Dissolution of Arsenic and Antimony in Glass Containers
HG/T 3266 Thiourea for Industrial Use
HG/T 3585 Industrial sodium borohydride
3 Terms and Definitions
The following terms and definitions apply to this document.
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