Valid

GB/T 46377-2025Test methods for liquid crystal mixtures (English PDF)

混合液晶测试方法

Preview PDF

This is a limited preview

Buy now to download the full PDF (32 pages)

Need quotation for your management?

Get a formal quotation for GB/T 46377-2025 in 30 minutes.

Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 31, 2025

Implementation date

May 1, 2026

Scope

GB/T 46377-2025 is the English-translated version of 混合液晶测试方法.

GB/T 46377-2025 is the Chinese standard "Test methods for liquid crystal mixtures". Its scope clause reads: This document describes the purity of the mixed liquid crystal, volatile components, moisture content, particle size, metal ion concentration, clearing point, dynamic viscosity, density, and elasticity.

Physical constant, rotational viscosity, optical anisotropy, dielectric anisotropy, threshold voltage, saturation voltage, resistivity, voltage retention rate, ion density, Test methods for low-temperature performance.

This document applies to the purity of mixed liquid crystals, volatile components, moisture content, particle size, metal ion concentration, clearing point, dynamic viscosity, density, and elasticity.

Physical constant, rotational viscosity, optical anisotropy, dielectric anisotropy, threshold voltage, saturation voltage, resistivity, voltage retention rate, ion density, Determination of low-temperature performance. Its clauses include terms and definitions.

Found what you need?

Document preview — GB/T 46377-2025

National Standard of the People's Republic of China

ICS
31.030
Classification
L 90

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

  • Preface
  • 1.Scope
  • 2 Normative References
  • 3.Terms and Definitions
  • 4.Environmental conditions
  • 5.Test Method
  • 5.1 Purity
  • 5.2 Volatile Matter
  • 5.3 Moisture content
  • 5.4 Particles
  • 5.5 Metal ion concentration
  • 5.6 Clearing Highlights
  • 5.7 Dynamic viscosity
  • 5.8 Density
  • 5.9 Elastic constant
  • 5.10 Rotational viscosity
  • 5.11 Optical Anisotropy
  • 5.12 Dielectric anisotropy
  • 5.13 Threshold voltage and saturation voltage
  • 5.14 Resistivity
  • 5.15 Voltage retention rate
  • 5.16 Ion density
  • 5.17 Low temperature performance
  • 6 Test Report

1 Scope

This document describes the purity of the mixed liquid crystal, volatile components, moisture content, particle size, metal ion concentration, clearing point, dynamic viscosity, density, and elasticity.

Physical constant, rotational viscosity, optical anisotropy, dielectric anisotropy, threshold voltage, saturation voltage, resistivity, voltage retention rate, ion density,

Test methods for low-temperature performance.

This document applies to the purity of mixed liquid crystals, volatile components, moisture content, particle size, metal ion concentration, clearing point, dynamic viscosity, density, and elasticity.

Physical constant, rotational viscosity, optical anisotropy, dielectric anisotropy, threshold voltage, saturation voltage, resistivity, voltage retention rate, ion density,

Determination of low-temperature performance.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 602 Preparation of standard solutions for the determination of impurities in chemical reagents

GB/T 4946 Gas Chromatography Terminology

GB/T 6425 Terminology for Thermal Analysis

GB/T 6682 Specifications and test methods for water used in analytical laboratories

GB/T 8170-2008 Rules for rounding off numerical values and the representation and determination of limiting values

GB/T 9008 Terminology for Liquid Chromatography

GB/T 11446.1 Electronic Grade Water

GB/T 25915.1-2021 Cleanrooms and related controlled environments - Part 1.Classification of air cleanliness levels by particle concentration

GB/T 34826-2017 Performance Determination Method for Quadrupole Inductively Coupled Plasma Mass Spectrometer

GB/T 39486 General Rules for Inductively Coupled Plasma Mass Spectrometry Analysis of Chemical Reagents

SJ/T 10297 General Specification for LCR Measuring Instruments

SJ/T 11203 Liquid Crystal Material Terminology

3 Terms and Definitions

The terms and definitions defined in GB/T 4946, GB/T 6425, GB/T 9008 and SJ/T 11203, as well as the following terms and definitions, apply to this document.

3.1 Liquid crystal mixture

A uniform single-phase liquid crystal mixture formed by mixing multiple individual liquid crystal molecules in a certain proportion.

3.2 particles

A substance other than a gas that is dispersed in a liquid and forms a homogeneous system with the liquid.

3.3 quality control sample

A substance or material with one or more uniform and stable property values.

Note. Regular testing of its specific values is used to maintain and monitor the stability of the measurement system.

GB/T 28159 | GB/T 41203 | GB/T 37406 | GB/T 46379 | GB/T 46378 | […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 32 pages — is available in the English PDF.

Referenced standards

Editions of GB/T 46377

EditionTitleRevisionStatus
GB/T 46377-2025Test methods for liquid crystal mixturescurrent editionCurrent

This page sells the current edition, GB/T 46377-2025. Earlier editions are listed for reference only.

How to Download GB/T 46377-2025

  1. 1

    Add to cart

    Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.

  2. 2

    Checkout

    Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).

  3. 3

    Instant delivery (0–9 sec)

    Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.

  4. 4

    Invoice included

    A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.

Related Standards

English PDF
32 pages
Instant delivery (0–9 sec)
Invoice included
View Cart

Secure payment via Stripe

Payments accepted

VisaMastercardAmerican ExpressApple PayGoogle PayStripe

GB/T 46377-2025

$455.00