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GB/T 37082-2018: Specification for common mixture liquid crystal materials
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 37082-2018 | English | 199 |
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Specification for common mixture liquid crystal materials
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GB/T 37082-2018
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Basic data | Standard ID | GB/T 37082-2018 (GB/T37082-2018) | | Description (Translated English) | Specification for common mixture liquid crystal materials | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L90 | | Classification of International Standard | 31-030 | | Word Count Estimation | 10,190 | | Date of Issue | 2018-12-28 | | Date of Implementation | 2019-07-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 37082-2018: Specification for common mixture liquid crystal materials---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.
Specification for common mixture liquid crystal materials
ICS 31-030
L90
National Standards of People's Republic of China
Ordinary mixed liquid crystal material specification
Published on.2018-12-28
2019-07-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Product Category 1
5 Technical requirements 1
5.1 Appearance 1
5.2 Mechanical impurities 1
5.3 Technical Indicators 1
6 Test method 2
6.1 Environmental conditions 2
6.2 Appearance 2
6.3 Clearing point 2
6.4 Resistivity 2
6.5 Optical anisotropy (Δn) 3
6.6 Threshold voltage (V90, 0, 25) 3
6.7 saturation voltage (V10, 0, 25) 3
6.8 Dielectric Anisotropy (Δε) 4
6.9 Low temperature test 5
7 Inspection rules 5
7.1 Inspection Category 5
7.2 Batch 5
7.3 Sampling principle 5
7.4 Type test 5
7.5 Factory inspection 5
7.6 Decision Rule 6
7.7 Certificate of Conformity 6
8 Marking, packaging, transportation, storage 6
8.1 Mark 6
8.2 Packing 6
8.3 Transportation 7
8.4 Storage 7
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some of the content in this article may involve patents. The issuing organization of this document is not responsible for identifying these patents.
This standard is proposed and managed by the National Semiconductor Equipment and Materials Standardization Technical Committee (SAC/TC203).
This standard is mainly drafted by. Beijing 800 million Time Air Liquid Crystal Technology Co., Ltd., China Electronic Technology Standardization Research Institute.
The main drafters of this standard. Xing Wenli, Chen Haiguang, Jiang Tianmeng, Wang Jie, Wang Xiang, Liu Wei.
Ordinary mixed liquid crystal material specification
1 Scope
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and general mixed liquid crystal materials.
Storage.
This standard applies to TN, STN, HTN, VA, 3D, PDLC and other mixed liquid crystal materials for display.
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 191-2008 packaging storage and transportation icon
GB 50073-2013 clean factory design specification
SJ/T 11203-1999 Liquid crystal material terminology
3 Terms and definitions
The terms and definitions defined in SJ/T 11203-1999 apply to this document.
4 Product Categories
According to the performance of the product, the product is divided into two categories. positive-normal mixed liquid crystal material and negative-common mixed liquid crystal material.
5 Technical requirements
5.1 Appearance
Milky white or light yellow liquid.
5.2 Mechanical impurities
There should be no crystal precipitation, no visible suspension.
5.3 Technical Specifications
The technical specifications of ordinary mixed liquid crystal materials are shown in Table 1.
Table 1 Technical Specifications of Common Mixed Liquid Crystal Materials
Serial number project unit requires test method clause number
1 Clearing point °C ≥50 6.3
2 resistivity Ω·cm ≥1.0×1010 6.4
3 Optical anisotropy (Δn) - 0.050~0.400 6.5
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