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GB/T 1864-2012: General methods of test for pigments and extenders -- Comparison of colour of pigments
Status: Valid GB/T 1864: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 1864-2012 | English | 134 |
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General methods of test for pigments and extenders -- Comparison of colour of pigments
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GB/T 1864-2012
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| GB/T 1864-1989 | English | 199 |
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Comparison of colour of pigments
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GB/T 1864-1989
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Basic data | Standard ID | GB/T 1864-2012 (GB/T1864-2012) | | Description (Translated English) | General methods of test for pigments and extenders -- Comparison of colour of pigments | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G53 | | Classification of International Standard | 87.060.10 | | Word Count Estimation | 7,765 | | Older Standard (superseded by this standard) | GB/T 1864-1989 | | Quoted Standard | GB/T 3186; GB/T 9761; ISO 150 | | Adopted Standard | ISO 787-1-1982, MOD | | Regulation (derived from) | National Standards Bulletin No. 41 of 2012 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the color of the pigment with the same type of color pigment agreed reference for comparing general experimental method. Chapter 6 of this standard provides two prepared dispersions with automatic grinding mechanism to prepare disp | GB/T 1864-2012: General methods of test for pigments and extenders -- Comparison of colour of pigments
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ICS87.060.10
G53
National Standards of People's Republic of China
Replacing GB/T 1864-1989
Pigments and extenders Common test methods
Comparative Pigment colors
(ISO 787-1. 1982, Generalmethodsoftestforpigments
andextenders-Part 1. Comparisonofcolourofpigments, MOD)
Issued on. 2013-08-01 2012-12-31 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard rule according to GB/T 1.1-2009 given draft.
This standard replaces GB/T 1864-1989 "comparative pigment color", compared with the GB/T 1864-1989, in addition to editorial changes outside the main
To technical changes are as follows.
--- Equivalent to using the previous version of ISO 787-1. 1982 "pigments and extenders - Common test methods - Part 1. pigment color ratio
More "This version is revised adoption ISO 787-1. 1982;
--- Dispersion medium from "material. Refined linseed oil" to "binders. If not agreed upon by the parties concerned agreed to recommend the use
ISO 150 requirements refined linseed oil "(see Chapter 3 and Chapter 3 of the 1989 edition);
--- Increased step "polishing by hand or spatula Preparation of pigment dispersion" (see 6.2);
--- Test results indicate the method has been modified (see Chapter 7 and Chapter 7 of the 1989 edition).
This standard uses redrafted law revision of international standards ISO 787-1. 1982.
This standard ISO 787-1. 1982 technical differences exist compared to the terms of these differences has been involved through its outer margin bits
Opposed to a single vertical line (│) were labeled Appendix A gives the list of the corresponding technical differences and their causes.
This standard also made the following editorial changes.
--- To be consistent with existing national numbering standard, the standard name will be changed to "pigments and extenders - General methods of test paint colors
Comparison";
--- Increase the informative Appendix A;
--- Chapter 1, Chapter 6, and Chapter 8 textual representation was modified.
The standard proposed by China Petroleum and Chemical Industry Association.
This standard by the National Standardization Technical Committee paint pigment (SAC/TC5) centralized.
This standard was drafted. CNOOC Changzhou coating Chemical Research Institute, Jiangsu double-Chemical Pigment Co., Ltd., Shandong Dong Jia Group shares have
Limited, lilies Group Co., Ltd. Carpoly Chemical Group Co., Ltd.
Drafters of this standard. Shen Jiang Su, Maoshun Ming Li of the whole, Wang Feng, Lin Xia.
This standard replaces the standards previously issued as follows.
--- GB/T 1864-1980, GB/T 1864-1989.
Pigments and extenders Common test methods
Comparative Pigment colors
1 Scope
This standard specifies the color of the pigment with the same type of color pigment agreed reference Common test methods were compared.
Chapter 6 of this standard provides two methods for preparation of the dispersion, a method using an automatic grinding mechanism prepared dispersion arbitration law.
This standard applies to the same type of comparison with the agreed reference pigment paint color.
When this method is not common for a particular pigment, it should provide a specific method to compare the color.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 3186 Paints, varnishes and raw materials for paints and varnishes - Sampling (GB/T 3186-2006, ISO 15528.2000, IDT)
GB/T 9761 Paints and varnishes - Visual comparison of the color (GB/T 9761-2008, ISO 3668.1998, IDT)
ISO 150 paints and varnishes raw and cooked linseed oil specifications and test methods (Raw, refinedandboiled refined
linseedoilforpaintsandvarnishes-Specificationsandmethodsoftest)
3 base
And, if not agreed upon by the parties concerned agreed to recommend the use ISO 150 requirements of refined linseed oil.
4 Instrument
4.1 spatula. steel, tapered blade, about 140mm ~ 150mm, a maximum width 20mm ~ 25mm, the narrowest point is not small
At 12.5mm.
4.2 Substrate. colorless transparent glass with dimensions of 150mm × 150mm or other suitable dimensions.
4.3 straw. capacity 1mL syringe.
4.4 automatic grinding machine. frosted glass disc with a diameter of 180mm ~ 250mm, the use of pressure exerted by a maximum of about 1000N,
Disc speed is 70r/min ~ 120r/min. Each have a counting device 25 into a block. The best cooling water can pass, if automatic grinding machine
Cooling water does not pass, should ensure a constant temperature during the grinding process.
4.5 hand grinder.
4.6 tablet. frosted glass plate or a marble slab, is used when no grinder available.
4.7 Balance. Precision 1mg.
4.8 Wet-film. Wet film 100μm.
5 Sampling
According to the provisions of GB/T 3186 to take a representative sample of the test pigment.
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