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Detailed description

Melt blown nonwoven fabric testing

Detection standard

  • Detection specification

Melt blown fabric is the core material of masks, mainly made of polypropylene, with a fiber diameter of 1-5 microns. There are many gaps, a fluffy structure, and good wrinkle resistance. Ultrafine fibers with unique capillary structures increase the number and surface area of fibers per unit area, thus making meltblown fabrics have good filtration, shielding, insulation, and oil absorption properties. It can be used in fields such as air and liquid filtration materials, isolation materials, absorbing materials, mask materials, insulation materials, oil absorbing materials, and wiping cloths

 &Nbsp; Test items:

 &Nbsp; 1. Microbial indicators detection: total bacterial colony count, total fungal colony count, coliform group, pathogenic purulent bacteria

 &Nbsp; 2. Internal quality testing: unit area quality deviation rate, longitudinal fracture strength, transverse fracture strength, longitudinal and transverse fracture elongation, hydrostatic pressure, and permeability

 &Nbsp; 3. Appearance quality inspection: fabric appearance, pores, impurities, odors, micropores, crystal points, frits, stiff wires, unreinforced area, thin mesh, width deviation, color difference, and joint quality

 &Nbsp; In addition, according to the mask testing standards, enterprises also need to conduct particle filtration efficiency testing, bacterial filtration efficiency testing, ventilation resistance and pressure difference testing, airflow resistance and respiratory resistance testing on melt blown fabrics

 &Nbsp; How to test the filtration efficiency of melt blown fabric particle filter masks? The filtration testing principle is designed and manufactured according to the standards of YY0469-2004 "Technical Requirements for Medical Surgical Masks" and GB2626-2006 "Respiratory Protective Equipment - Self suction Filtration Particle Prevention Respirators". At the same time, the design concept of similar international equipment (such as TSI Company in the United States) was also referenced, based on the principle of the "European Standard EN1822-3:1998 Single Sheet Filter Material Test", but it is also suitable for the testing status of relevant industries in China

 &Nbsp; Testing execution standards:

 &Nbsp; GB/T32610-2016 Technical Specification for Daily Protective Masks 6.13 (Appendix A)

 &Nbsp; GB2626-2006 Respiratory Protective Equipment - Self priming Filter Type Particle Respirator

 &Nbsp; GB19082-2009 Technical Requirements for Medical Disposable Protective Clothing

 &Nbsp; GB19083-2010 Technical Requirements for Medical Protective Masks

 &Nbsp; GB24539-2009 Protective Clothing - General Technical Requirements for Chemical Protective Clothing 6.9

&Nbsp; YY0469 Protective Mask Particle Filtration Efficiency Tester -2011 Medical Surgical Mask

&Nbsp; Test content:

 &Nbsp; We can help you:

 &Nbsp; 1. Quality and Safety: Determine the quality and safety of product raw materials, semi-finished products, and finished products

 &Nbsp; 2. Internal quality control: Provide product quality data and investigate whether product performance meets the standards

 &Nbsp; 3. Provide testing report: Conduct relevant testing according to testing requirements, and provide testing report

 &Nbsp; 4. Protection of customer rights and interests: Safeguard the relevant rights and interests of various customers such as raw material suppliers, production and processing enterprises, private owners, distributors, etc; 0173  3840 (phone and WeChat), conducting testing on over a hundred inspection websites - issuing authoritative testing reports has legal effect

Function of testing report:

1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report

2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms

3. Used as a sales report: issuing legally effective testing reports to make consumers more confident

4. Papers and research: Provide professional personalized testing needs

5. Judicial services: providing scientific, fair, and accurate testing data

6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems

100% inspection and testing process:

1. Telephone communication and confirmation of requirements

2. Recommend solutions and confirm quotations

3. Mail samples and arrange testing

4. Progress tracking and result feedback

5. Provide reports and after-sales service

6. If urgent or priority processing is required

Testing and testing characteristics:

1. The testing industry is fully covered, meeting different testing needs

2. Fully cover the laboratory and allocate localized testing nearby

3. Engineers provide one-on-one services to make testing more accurate

4. Free initial testing, with no testing fees charged

5. Self service order delivery for free on-site sampling

6. Short cycle, low cost, and attentive service

7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc

8. The testing report is authoritative and effective, and is generally used in China

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