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GB/T 36494-2018: Determination of the electrostatic property for glass fiber roving
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Determination of the electrostatic property for glass fiber roving
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GB/T 33999 | GB/T 33837 | GB/T 33832 | GB/T 36493 | GB/T 25045 | Basic data
| Standard ID | GB/T 36494-2018 (GB/T36494-2018) |
| Description (Translated English) | Determination of the electrostatic property for glass fiber roving |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | Q36 |
| Classification of International Standard | 59.100.10 |
| Word Count Estimation | 10,118 |
| Date of Issue | 2018-07-13 |
| Date of Implementation | 2019-06-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 36494-2018: Determination of the electrostatic property for glass fiber roving
---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.
Determination of the electrostatic property for glass fiber roving
ICS 59.100.10
Q36
National Standards of People's Republic of China
Determination of the electrostatic properties of glass fiber roving
Published on.2018-07-13
2019-06-01 implementation
State Market Supervisory Administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Building Materials Federation.
This standard is under the jurisdiction of the National Glass Fiber Standardization Technical Committee (SAC/TC245).
This standard was drafted. Jushi Group Co., Ltd.
The main drafters of this standard. Cao Guorong, Ye Fenglin, Wang Haixing, Cui Fengbo, Zhao Gang, Du Jiakui, He Qiuyan.
Determination of the electrostatic properties of glass fiber roving
1 Scope
This standard specifies two methods for determining the electrostatic properties of glass fiber roving.
---Method A. Electrostatic adsorption method;
--- Method B. Static voltage half-life method.
This standard applies to glass fiber roving.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 6060.3 Surface roughness comparison specimens Part 3. EDM, throwing (spraying) pellets, sand blasting, grinding, boring, polishing
surface.
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Electrostatic adsorption mass electrostaticadsorptionmass
The quality of the residual roving that is attracted to the stainless steel plate due to frictional static electricity.
Note. in grams (g).
3.2
Static voltage half-life statichalfperiod
The time required for the static voltage on the sample to decay to half the initial value.
Note. in seconds (s).
4 Principle
4.1 Electrostatic adsorption method
The sample is introduced into the chopper for cutting, and the cut yarn segment is freely dropped onto a special inclined surface, and the friction is generated during the cutting process.
Static electricity causes the yarn segments to adhere to this slope, and the adsorbed yarn segments are collected for weighing to determine the electrostatic properties of the sample. Adsorbed yarn segment
The lower the quality, the stronger the ability to represent antistatic, and the weaker the antistatic ability.
4.2 Static voltage half-life method
Applying a certain electrostatic voltage to the sample, and measuring the time required for the electrostatic voltage to decay to half of the initial value by ground discharge,
Thus, the electrostatic properties of the sample were measured. The shorter the time, the stronger the antistatic ability, and the weaker the antistatic ability.
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