GB/T 37384-2019Cellulose triacetate for optical function film (English PDF)
光学功能薄膜用三醋酸纤维素
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 25, 2019
Implementation date
February 1, 2020
Scope
GB/T 37384-2019 is the English-translated version of 光学功能薄膜用三醋酸纤维素.
GB/T 37384-2019 is the Chinese standard "Cellulose triacetate for optical function film". Its scope clause reads: 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. Its clauses include requirements.
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Document preview — GB/T 37384-2019
National Standard of the People's Republic of China
- ICS
- 71.080.99
- Classification
- G 15
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 requirements
- 3.1 Appearance
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 […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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