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GB/T 254-2022: Semi-refined paraffin wax
Status: Valid GB/T 254: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 254-2022 | English | 149 |
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3 days [Need to translate]
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Semi-refined paraffin wax
| Valid |
GB/T 254-2022
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| GB/T 254-2010 | English | 80 |
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0--9 seconds. Auto-delivery
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Semi-refined paraffin wax
| Obsolete |
GB/T 254-2010
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| GB/T 254-1998 | English | 70 |
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Semi-refined paraffin wax
| Obsolete |
GB/T 254-1998
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| GB 254-1987 | English | RFQ |
ASK
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3 days [Need to translate]
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Semi refined paraffin wax
| Obsolete |
GB 254-1987
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PDF similar to GB/T 254-2022
Basic data | Standard ID | GB/T 254-2022 (GB/T254-2022) | | Description (Translated English) | Semi-refined paraffin wax | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | E42 | | Classification of International Standard | 75.140 | | Word Count Estimation | 6,638 | | Date of Issue | 2022-12-30 | | Date of Implementation | 2023-04-01 | | Older Standard (superseded by this standard) | GB/T 254-2010 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 254-2022: Semi-refined paraffin wax---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.
ICS 75.140
CCSE42
National Standards of People's Republic of China
Replacing GB/T 254-2010
semi-refined paraffin
Posted on 2022-12-30
2023-04-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
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"
drafting.
This document replaces GB/T 254-2010 "Semi-refined Paraffin Wax". Compared with GB/T 254-2010, except for structural adjustments and editorial changes
In addition, the main technical changes are as follows.
a) The applicable products of this document have been changed (see Chapter 1, Chapter 1 of the.2010 edition);
b) Added terms and definitions (see Chapter 3);
c) Increased product classification (see Chapter 4);
d) Added the technical requirements for No. 46 semi-refined paraffin wax, No. 48 semi-refined paraffin wax and No. 72 semi-refined paraffin wax (see Table 1);
e) Changed the technical requirements, test methods and arbitration methods for color (see Table 1, Table 1 of the.2010 edition);
f) Changed the technical requirements for photostability (see Table 1, Table 1 of the.2010 edition);
g) The test method and arbitration method of kinematic viscosity have been changed (see Table 1, Table 1 of the.2010 edition);
h) The test method for mechanical impurities and water has been changed (see footnote c of Table 1, footnote a of Table 1 of the.2010 edition);
i) Sampling and batching have been changed (see Chapter 6, Chapter 5 of the.2010 edition).
Certain contents of this document may relate to patents. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed and managed by the National Petroleum Products and Lubricants Standardization Technical Committee (SAC/TC280).
This document is drafted by. China Petroleum & Chemical Corporation Dalian Petrochemical Research Institute.
The main drafters of this document. Han Bo, Wang Shiyu, Ling Fengxiang, Wang Shaojun, Zhang Yanling, Guo Shigang.
The previous versions of the documents replaced by this document are as follows.
--- It was first published as GB 254-1964 "White Paraffin" in 1964, revised for the first time in 1975, and revised for the second time in 1977;
---The third revision in 1987 was GB 254-1987 "Semi-refined Paraffin Wax";
---The fourth revision in.1998 was GB/T 254-1998, and the fifth revision in.2010;
--- This is the sixth revision.
semi-refined paraffin
Warning. If proper precautions are not taken, the products covered by this document may be dangerous during production, storage and use. Book
This document is not intended to advise on all safety issues related to this product. It is the user's responsibility to take appropriate safety and health precautions and to
The certification meets the conditions stipulated by the relevant national laws and regulations.
1 Scope
This document specifies the product classification, technical requirements and test methods of semi-refined paraffin wax, sampling and batching, marking, packaging, transportation, storage and
Delivery acceptance.
This document is applicable to semi-refined paraffin wax obtained from oily wax as raw material through perspiration or solvent deoiling, white clay or hydrofining.
The product is suitable for the manufacture of candles, crayons, packaging paper, general telecommunications materials and wood processing, light industry, chemical raw materials, etc.
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 265 Petroleum Products Kinematic Viscosity Determination Method and Dynamic Viscosity Calculation Method
GB/T 2539 Determination of melting point of petroleum wax by cooling curve method
GB/T 3554 Determination of Oil Content in Petroleum Wax
GB/T 3555 Determination of Saybolt Color of Petroleum Products Saybolt Colorimeter Method
GB/T 4756 Petroleum liquid manual sampling method
GB/T 4985 Determination of Penetration of Petroleum Wax
GB/T 30515 Determination of Kinematic Viscosity and Calculation of Dynamic Viscosity of Transparent and Opaque Liquid Petroleum Products
NB/SH/T 0164 Petroleum and related product packaging, storage and transportation and delivery acceptance rules
NB/SH/T 0407 Petroleum wax water-soluble acid or alkali test method
NB/SH/T 0905 Determination of the color of petroleum products by automatic tri-stimulus value method
SH/T 0229 Sampling method for solid and semi-solid petroleum products
SH/T 0404 Determination of paraffin light stability
SH/T 0414 petroleum wax smell test method
3 Terms and Definitions
This document does not have terms and definitions that need to be defined.
4 Product categories
According to the melting point, semi-refined paraffin products are divided into No. 46, No. 48, No. 50, No. 52, No. 54, No. 56, No. 58, No. 60, No. 62, No. 64,
14 grades of No. 66, No. 68, No. 70 and No. 72.
5 Technical requirements and test methods
See Table 1 for semi-refined paraffin technical requirements and test methods.
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