GB/T 33052-2016 English PDF

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GB/T 33052-2016: Microporous functional membrane -- Measurement for Porosity -- Absorption method by cetane
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33052-2016	119	Add to Cart	2 days	Microporous functional membrane -- Measurement for Porosity -- Absorption method by cetane	Valid

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Basic data

Standard ID: GB/T 33052-2016 (GB/T33052-2016)
Description (Translated English): Microporous functional membrane -- Measurement for Porosity -- Absorption method by cetane
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G15
Classification of International Standard: 71.080.99
Word Count Estimation: 6,642
Date of Issue: 2016-10-13
Date of Implementation: 2017-05-01
Regulation (derived from): National Standard Notice No.1716 of 2016
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 33052-2016: Microporous functional membrane -- Measurement for Porosity -- Absorption method by cetane

---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.
Microporous functional membrane - Measurement for Porosity - Absorption method by cetane ICS 71.080.99 G15 National Standards of People's Republic of China Determination of porosity of microporous functional films Hexadecane absorption method 2016-10-13 released 2017-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Petroleum and Chemical Industry Association. This standard by the National Optical Functional Film Materials Standardization Technical Committee (SAC/TC431) centralized. The drafting unit of this standard. China Lokai Group Co., Ltd. The main drafters of this standard. Tian Kun, Zhou Shuqian, Wang Yapu, Han Mingxing, Liu Hong. Determination of porosity of microporous functional films Hexadecane absorption method

1 Scope

This standard specifies the standard test method for the determination of porosity of polyolefin microporous membranes and various coating separators by the hexadane absorption method. This standard applies to a variety of different materials, polyolefin microporous membrane and a variety of coated diaphragms.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. General method for determination of density of chemical reagents GB/T 611-2006 Method for determination of density of liquid petrochemical products GB/T 2013-2010 Test method for peel strength of adhesive tape GB/T 2792-2014 Standard environment for state adjustment and testing of plastic specimens GB/T 2918-1998

3 terms and definitions

GB/T 2013-2010 Definitions and the following terms and definitions apply to this document. For ease of use, the following is repeated Some terms and definitions in GB/T 2013-2010. 3.1 Microporousmembrane Pore size between 5.0 nm and 1.0 mm. 3.2 Porosity porosity The ratio of the volume of the pores to the volume of the membrane, that is, the volume percentage of the pores in the volume of the unit membrane, which is the density of the raw material resin and the product Related, including open porosity and closed porosity. 3.3 Density density The mass of the substance contained in the unit volume at the specified temperature. Note. Units in kilograms per cubic meter (kg/m3) or grams per cubic centimeter (g/cm3). When reporting density, indicate the density units and temperature used. E.g, Kg per cubic meter or grams per cubic centimeter, t ℃. [GB/T 2013-2010, definition 3.1]

4 equipment

4.1 Thickness Gauge. measuring pressure 17kPa ~ 23kPa, accuracy of 1μm, contact area, 50mm2. ......

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