GB/T 36138-2018 in English

VALID

Flat-plate microfiltration membrane of polytetrafluoroethylene for sterilizing

Issued on:2018-05-14
Implemented on:2018-12-01
File Format:PDF
Delivery:Via email within 5 business days

Price(USD)： $310.00
$301.00

Standard No:	GB/T 36138-2018
Document status:	VALID
Title in English:	Flat-plate microfiltration membrane of polytetrafluoroethylene for sterilizing
Title in Chinese:	除菌用聚四氟乙烯平板式微滤膜
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 5 business days
Issued on:	2018-05-14
Implemented on:	2018-12-01
Chinese Classification:	J77-Separating machinery
Professional Classification:	GB-National Standard
Related Keywords:	polytetrafluoroethylene flat microfiltration membranes polytetrafluoroethylene flat microfiltration membranes introduction flat microfiltration membranes flat-plate microfiltration membrane hydrophobic polytetrafluoroethylene
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《GB/T 36138-2018除菌用聚四氟乙烯平板式微滤膜》由TC382（全国分离膜标准化技术委员会）归口，主管部门为国家标准化管理委员会。

Introduction

GB/T 36138—2018 Interpretation of the Sterilization Standard for Polytetrafluoroethylene Flat Microfiltration Membranes

Introduction

The National Standard of the People's Republic of China GB/T 36138—2018 "Polytetrafluoroethylene Flat Microfiltration Membranes for Sterilization" specifies in detail the classification, requirements, test methods and inspection rules for hydrophobic polytetrafluoroethylene flat microfiltration membranes. This standard is applicable to gas or liquid sterilization filter membranes with an average thickness of 20~90 μm and a pore size of no more than 0.22 μm, and is widely used in the fields of medicine, food, biotechnology, etc.

Comparison of standard frameworks

Category	Average thickness range (μm)	Application range
I	50~90	Liquid sterilization, gas sterilization
Ⅱ	35~50	Liquid sterilization, gas sterilization
Ⅲ	20~35	Gas sterilization

Terminology analysis and application

Air permeability (air

Bubble point pressure: The critical pressure at which the first bubble appears and leads to continuous bubbling. This indicator is crucial for evaluating the gas sterilization ability of the filter membrane.

Implementation suggestions

When selecting a filter membrane, it is necessary to determine the appropriate category and thickness according to the specific application scenario.

Adjust the state before use to ensure that it meets the environmental conditions specified in GB/T2918.

Regularly test the bubble point pressure and bacterial retention capacity to ensure the filtration effect.

More samples: NB/T 47013.2-2015 QC/T 942-2021 DL/T 368-2010

Sample only — not a preview of GB/T 36138-2018

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