GB/T 37384-2019 English PDF

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GB/T 37384-2019: Cellulose triacetate for optical function film
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 37384-2019	199	Add to Cart	3 days	Cellulose triacetate for optical function film	Valid

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Basic data

Standard ID: GB/T 37384-2019 (GB/T37384-2019)
Description (Translated English): Cellulose triacetate for optical function film
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G15
Classification of International Standard: 71.080.99
Word Count Estimation: 10,170
Date of Issue: 2019-03-25
Date of Implementation: 2020-02-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 37384-2019: Cellulose triacetate for optical function film

---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.
Cellulose triacetate for optical function film ICS 71.080.99 G15 National Standards of People's Republic of China Optically functional film with cellulose triacetate Published on.2019-03-25 2020-02-01 implementation State market supervision and 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 Petroleum and Chemical Industry Federation. This standard is under the jurisdiction of the National Technical Committee for Standardization of Optical Functional Film Materials (SAC/TC431). This standard was drafted. China Lekai Group Co., Ltd., Sichuan Pushi Cellulose Cellulose Co., Ltd., Hefei Lekai Technology Industry Co., Ltd., Baoding City Entry-Exit Inspection and Quarantine Bureau. The main drafters of this standard. Wang Xiangyan, Yu Wenzhao, Du Yanfei, Wang Yan, Xu Lili, Zou Yaobang, Liu Ping, Liu Qian. Optically functional film with cellulose triacetate

1 Scope

This standard specifies the requirements, test methods, inspection rules, marking, packaging, and transportation of cellulose triacetate (TAC) for optical functional films. Loss and storage. This standard applies to cellulose triacetate for optical functional films.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. Preparation of GB/T 601 chemical reagent standard titration solution Preparation of preparations and products used in GB/T 603 chemical reagent test method GB/T 2410-2008 Determination of transmittance and haze of transparent plastics GB/T 6679 Solid Chemical Products Sampling General GB/T 6682 Analytical laboratory water specifications and test methods GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values GB/T 9345.1 Determination of ash - Part 1. General method General rules for flame atomic absorption spectrometry of GB/T 9723 chemical reagents GB/T 32117-2015 industrial cellulose diacetate tablets

3 requirements

3.1 Appearance. white particles or white loose fibers. 3.2 The optically functional film for cellulose triacetate should meet the technical requirements in Table 1. Table 1 Technical requirements Project indicator Moisture (mass fraction) /% ≤2.0 Vinegarization value (calculated as CH3COOH) (mass fraction) /% 60.5~61.1 Viscosity/s 9 ± 2 Transparent, gel-free and fiber-free Free acid (calculated as CH3COOH) (mass fraction) /% ≤0.01 Ash (mass fraction) /% ≤0.02 Iron content (mass fraction) /% ≤0.0008 Haze /% ≤10.0 ......

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