GB/T 33328-2016 English PDF

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GB/T 33328-2016: Paints and varnishes -- Determination of electrical conductivity and resistance
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
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Basic data

Standard ID: GB/T 33328-2016 (GB/T33328-2016)
Description (Translated English): Paints and varnishes -- Determination of electrical conductivity and resistance
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G50
Classification of International Standard: 87.040
Word Count Estimation: 14,163
Date of Issue: 2016-12-13
Date of Implementation: 2017-07-01
Regulation (derived from): National Standard Notice No.283 of 2016
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

GB/T 33328-2016: Paints and varnishes -- Determination of electrical conductivity and resistance

---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.
Paints and varnishes - Determination of electrical conductivity and resistance ICS 87.040 G50 National Standards of People's Republic of China Paints and varnishes - Determination of electrical conductivity and resistance (ISO 15091..2012, MOD) 2016-12-13 released 2017-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the re-drafting method to modify ISO 15091..2012 "Determination of conductivity and resistance of paints and varnishes". There are technical differences between this standard and ISO 15091..2012, and the terms involved in these differences have been passed through the margin (│), and a list of the corresponding technical differences and their causes is given in Appendix A. This standard has also made the following editorial changes. - modified the representation of the example in Chapter 8, listed in tabular form; --- Added Appendix A (informative) "Technical differences between this standard and ISO 15091..2012 and its causes". This standard is proposed by the China Petroleum and Chemical Industry Association. This standard is under the jurisdiction of the National Committee for Standardization of Coatings and Pigments (SAC/TC5). The drafting unit of this standard. China Shipbuilding Industry Corporation No. 725 Research Institute, CNOOC Changzhou Paint Chemical Research Institute Co., Ltd., China Aviation Bermuda New Materials Technology Engineering Co., Ltd., Shenzhen Yi Lijia Ecological Building Materials Co., Ltd., Zhejiang Yu Tong New Material Co., Ltd., Beijing Bihaihai Corrosion Protection Industry Co., Ltd., Shanghai Yipin Pigment Co., Ltd., COSCO Kansai Paint Chemical Co., Ltd., Guangdong Tu Shi Building Materials Co., Ltd., Pompeii Paint Oil Trading (Shanghai) Co., Ltd., Guangzhou standard Geda Laboratory Equipment Co., Ltd. The main drafters of this standard. Tao Nai-wang, Gu Huiqi, Liu Yuejia, Wu Shaoyong, Yang Yaliang, Wang Jia Ni, Lai Guangsen, Shen Qinhua, Wang Jun, Guo Weiye, Ye Qingfeng, Wang Chongwu. Paints and varnishes - Determination of electrical conductivity and resistance

1 Scope

This standard specifies a method for determining the conductivity and resistance of coatings. This standard applies to the electrophoretic coating, including water-based paint, varnish conductivity determination and solvent-based paint, varnish resistance determination. Such as There is a requirement that the resistivity of the coating can be calculated from these measured conductivity or resistance. When there is an electric field, the conductivity will affect the construction of the paint, which is particularly important for electrophoretic coating and electrostatic coating.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 3186 Sampling of raw materials for paints, varnishes and varnishes and varnishes (GB/T 3186-2006, ISO 15528..2000, IDT) GB/T 6682 Analytical laboratory water specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) GB/T 20777 Inspection and preparation of paints and varnishes (GB/T 20777-2006, ISO 1513..1992, IDT)

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Resistance electricalists The ratio of the voltage difference across the conductor to the current through the conductor. Note. According to Ohm's law according to formula (1) to calculate the resistance. R = (1) Where. R --- resistance, in ohms (Ω); U - voltage difference in volts (V); I - current in amperes (A). The resistance depends on the material of the conductor, the geometry (length and cross-sectional area), and the temperature. 3.2 Resistivity resistivity The unit resistance per unit length of the cross-sectional area of the material. Note. Calculate the resistivity according to formula (2) ρ = R × (2) Where. ρ --- resistivity in ohm (Ω · m); R --- resistance, in ohms (Ω); A - conductor cross - sectional area in square meters (m2); l --- conductor length, in meters (m). ......

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