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Meltblown cloth quality testing equipment recommendation

As we all know, melt blown cloth is the core material for the production of masks. The reason why masks can effectively block viruses is mainly because of the middle M layer-meltblown non-woven fabric. Melt-blown non-woven fabric is made of a polypropylene material called high-melt finger fiber. It is a kind of ultra-fine electrostatic fiber cloth that can effectively use static electricity to adsorb virus dust and droplets. The quality of the meltblown cloth directly determines whether the mask can effectively block harmful bacteria and particles.


    So what are the main testing requirements for melt blown cloth testing?


    The main reference standard for meltblown fabric testing is FZ/T 64034-2014 spunbond/meltblown/spunbonded (SMS) nonwoven fabrics, and also refer to the mask testing standard GB2626 self-priming filter anti-particulate respirator, GB 19083 medical Protective masks, GB/T 32610 daily protective masks, YY 0469 medical surgical masks, YY/T 0969 disposable medical masks.


   The inspection of melt blown cloth is divided into the following three items:


 (1) Appearance quality inspection: fabric appearance, holes, impurities, peculiar smell, micro-holes, crystal points, frit, rigid wire, unreinforced area, thin net, width deviation, color difference, joint quality.


 (2) Intrinsic quality testing: mass deviation per unit area, longitudinal breaking strength, transverse breaking strength, vertical and horizontal breaking elongation, hydrostatic pressure, air permeability.


 (3) Detection of microbial indicators: total number of bacterial colonies, total number of fungal colonies, coliforms, and pathogenic pyogenic bacteria.


    In addition, with reference to the above mask testing standards, companies must also conduct particle filtration efficiency testing, bacterial filtration efficiency testing, ventilation resistance and pressure difference testing, airflow resistance and respiratory resistance testing on melt blown cloth.


    This article lists in detail several main melt blown cloth testing instruments and equipment involved in the internal quality inspection project of melt blown cloth:


    1. Test item of particle filtration efficiency of melt blown cloth


    Recommended equipment: Zhongce PFT-01 Meltblown cloth particle filtration efficiency tester

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2. Meltblown cloth bacteria efficiency tester

Recommended equipment: Zhongce MFT-01 bacterial filtration efficiency tester

细菌过滤效率测试仪

3. Test items for ventilation resistance and pressure difference

Recommended equipment: Public Test TQD-02 Ventilation Resistance and Pressure Difference Tester

通气阻力及压力差测试仪

4. Airflow resistance and breathing resistance test items

Recommended equipment: public test TQD-03 airflow resistance and breathing resistance tester

气流阻力及呼吸阻力测试仪


5. Test items of longitudinal breaking strength, transverse breaking strength, and longitudinal breaking elongation of meltblown cloth

Recommended equipment: Zhongce TST-02H Intelligent Electronic Tensile Testing Machine

熔喷布纵向断裂强力检测仪

Longitudinal breaking strength tester for melt blown cloth

6. Hydrostatic pressure test items

Recommended equipment: Zhongce HST-01 Hydrostatic Pressure Tester

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7. Air permeability test items of meltblown cloth

Recommended testing equipment: TQD-04 air permeability tester

熔喷布透气性检测仪

Meltblown cloth air permeability tester

        

Meltblown cloth testing equipment manufacturer

熔喷布检测仪器厂家

Meltblown cloth testing instrument manufacturers

Jinan Zhongce Electromechanical Equipment Co., Ltd. is a high-tech enterprise dedicated to the research and development and production of mask meltblown cloth testing instruments. The company has a group of professionals who have been in the packaging testing field for 10 years, with rich testing experience and strong Technical strength, able to provide you with professional personalized customization and systematic solutions, welcome to call for consultation!



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