GB/T 3532-2022 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 3532-2022 | English | 185 |
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Domestic porcelain ware
| Valid |
| GB/T 3532-2009 | English | 85 |
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Domestic porcelain ware
| Obsolete |
| GB/T 3532-1995 | English | 559 |
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Domestic porcelain
| Obsolete |
| GB 3532-1983 | English | 199 |
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Standard of domestic--Fine porcelain
| Obsolete |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB/T 3532-2022
GB/T 3532-2022: Domestic porcelain ware---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT3532-2022
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 81.060.20
CCS Y 24
Replacing GB/T 3532-2009
Domestic porcelain ware
Issued on. APRIL 15, 2022
Implemented on. NOVEMBER 01, 2022
Issued by. State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Product categories... 6
5 Technical requirements... 6
6 Test methods... 12
7 Inspection rules... 12
8 Marking, packaging, transportation, storage... 15
1 Scope
This document specifies the product classification, technical requirements, test methods,
inspection rules and signs, packaging, transportation, storage of domestic porcelain
ware.
This document is applicable to fine domestic porcelain ware, common domestic
porcelain ware, stoneware products.
2 Normative references
The contents of the following documents constitute essential provisions of this
document through normative references in the text. Among them, for dated references,
only the version corresponding to the date applies to this document; for undated
references, the latest version (including all amendments) is applicable to this document.
GB/T 2828.1-2012 Sampling procedures for inspection by attributes - Part 1.
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection
GB/T 2829-2002 Sampling procedures and tables for periodic inspection by
attributes (Apply to inspection of process stability)
GB/T 3295 Standard test method for 45°specular gloss of ceramic ware
GB/T 3298 Test method for resistance to thermal shock of domestic ceramic ware
GB/T 3299 Test method for water absorption of domestic ceramicware
GB/T 3300 Standard test method for deformation measurement of domestic ceramic
ware
GB/T 3301 Standard method for measurement of volume, rim diameter allowance,
height allowance, weight allowance and size of defects of domestic ceramic ware
GB/T 3302 Rules of package mark transport and reserve for domestic ceramic ware
GB/T 3303 Terminology of defects for domestic ceramics
GB/T 5000 Terminology for domestic ceramics
GB/T 27587 Test method for the resistance to microwave heating of domestic
ceramicware
3 Terms and definitions
Terms and definitions, which are defined in GB/T 5000 and GB/T 3303, apply to this
document.
4 Product categories
4.1 According to the use of the product, it is divided into dishes, bowls, cups, pots and
other utensils.
4.2 According to the size of the product, it is divided into small, medium, large, special.
The size range of each type is as shown in Table 1.
4.3 According to the water absorption rate of the product, it is divided into fine porcelain,
common porcelain, stoneware porcelain.
5 Technical requirements
5.1 Water absorption
The water absorption shall not exceed 0.5% for fine porcelain products, not exceed 1.0%
for common porcelain products, not exceed 5.0% for stoneware products.
5.2 Thermal shock resistance
5.3 Whiteness, gloss, color difference
It shall meet the requirements of Table 2.
5.4 Microwave adaptability
The heating energy is 72000 J. After the test according to 6.4, there shall be no cracking,
damage, or arcing.
5.5 Refrigerator to microwave adaptability
After the test according to 6.5, there shall be no cracking, damage, or arcing.
5.6 Refrigerator to oven adaptability
There shall be no cracking or damaging, after the test in accordance with 6.6.
5.7 Resistance to mechanical washing
The mean number, which is obtained by all observers, shall not be greater than 1.
5.8 Product specification error
5.8.1 Caliber error
The error of the caliber, which is greater than 200 mm, shall be within ±1.0%. The error
of the caliber, which is within 60 mm ~ 200 mm, shall be within ±1.5%. The error of
the caliber, which is less than 60 mm, shall be within ±2.0%.
5.9 Appearance quality
5.9.1 The product shall not have defects, such as glaze frying, bumping, cracking-
through, leakage.
5.9.3 The appearance defects of each grade of the product shall comply with the
provisions in Table 3.It shall meet the following requirements at the same time, when
it requires that it shall not exceed 2 defects, within 10 mm2.
6 Test methods
6.1 Determination of water absorption
It is carried out, according to GB/T 3299.
6.2 Determination of thermal shock resistance
It is carried out, according to GB/T 3298.
6.3 Determination of whiteness, gloss, color difference
Whiteness and color difference are performed, according to QB/T 1503.The gloss is
performed, according to GB/T 3295.
6.6 Determination of refrigerator to oven adaptability
It is carried out, according to GB/T 34253.
6.7 Determination of resistance to mechanical washing
It is carried out, according to GB/T 32680.
6.8 Determination of product specification error
It is carried out, according to GB/T 3301.
6.9 Determination of appearance quality
Deformation is performed, according to GB/T 3300.The defect size is performed,
according to GB/T 3301.
7 Inspection rules
7.1 Inspection category
Product inspection is divided into exit-factory inspection and type inspection. The
number of unqualified products per 100 units (piece counting method) is used, for
inspection.
7.2 Exit-factory inspection
7.2.1 The exit-factory inspection items are those specified in 5.8 and 5.9.
7.2.3 The inspected products can be batch-grouped, according to individual pieces, sets,
grades, patterns, shapes, etc. It can be subdivided, if necessary.
7.2.4 The sampling shall be carried out, according to the following requirements.
7.2.5 If there are items, that do not meet the requirements in the exit-factory inspection
items, it is judged that the batch of products does not meet the requirements of this
document.
7.3 Type inspection
7.3.1 The type inspection items are the entire contents of the technical requirements of
this document, of which the thermal shock resistance shall not be type inspected not
less than once every quarter, whilst the other items shall not be type inspected not less
than once every half a year. The type inspection shall also be carried out, in one of the
following situations.
7.3.3 The count sampling procedures for type inspection shall be implemented, in
accordance with the provisions of GB/T 2829-2002.See Table 6, for the
nonconformance category, rejection quality level, determination level, nonconformance
judgment number, sampling scheme of each inspection item.
8 Marking, packaging, transportation, storage
8.1 The marking, packaging, transportation, storage of products shall be carried out, in
accordance with the provisions of GB/T 3302.
8.2 Products, which are not suitable for use in microwave ovens, dishwashers, ovens,
shall be marked. The content of the above signs shall be preferably marked on the
product or product label; the label shall be located in a prominent place, on the smallest
sales package of the product. When the information cannot be fully displayed on the
product or product label, due to technical reasons, it can be displayed in the product
manual or accompanying documents.
8.3 Complete sets of products shall be packaged, without wrong-matching.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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