The Bacterial Filtration Efficiency (BFE) test is performed on filtration materials and devices that are designed to provide protection against biological aerosols, such as face masks, surgical gowns, caps, and air filters. This test is used for FDA 510(k) submissions for surgical masks, is required by ASTM F2100 and EN 14683, and complies with ASTM F2101 and EN14683. Click to view BFE tester Applicable Standards · ASTM F2100 · EN 14683 · ASTM F2101 Study Outline Bacterial Filtration Efficiency (BFE) The Bacterial Filtration Efficiency test determines the filtration efficiency by comparing the bacterial control counts to test article effluent counts. The test is conducted using Staphylococcus aureus as the challenge organism. After the filtration media is preconditioned, a liquid suspension of S. aureus is aerosolized and delivered to the filtration media at a constant flow rate of 28.3 liters per minute (LPM) or 1 cubic foot per minute (CFM). The aerosol droplets are drawn through a six-stage Andersen sampler for collection. The number of bacterial aerosol droplets contacting the filter media is determined by conducting challenge controls without filter medium in the test system. Challenge controls are maintained at 1700 – 3000 colony-forming units (CFU) with a mean particle size (MPS) of 3.0 ± 0.3 µm. This allows filtration efficiencies to be reported up to >99.9%. The BFE test offers a number of advantages over other filtration efficiency tests. It has been used with little or no modification for years and provides a standard reference for comparison of filtration materials. The mean particle size can be tightly controlled and is sized using a six-stage viable-particle Andersen sampler, permitting stage-by-stage analysis. The BFE procedure is reproducible, and provides a more severe challenge to most filtration devices than would be expected in normal use. Large numbers of material can be evaluated in a relatively short time. BFE testing is commonly performed along with the Differential Pressure (Delta P) test. For housed filters, we recommend the Increased Challenge method. This procedure uses a higher concentration of challenge to be delivered to each test material. Filtration efficiency measurements can be determined up to >99.9999%. Increased Challenge Bacterial Filtration Efficiency (BFE) The Increased Bacterial Filtration Efficiency test determines the filtration efficiency by comparing the bacterial control counts to test article effluent counts. The test is conducted using Staphylococcus aureus as the challenge organism. A liquid suspension of S. aureus is aerosolized and delivered to the filtration media at a constant flow rate of 30 liters per minute (LPM). The aerosol droplets are collected in all-glass impingers (AGIs) in parallel. The challenge is delivered for a one-minute interval and sampling through the AGIs is conducted for two minutes to clear the aerosol chamber. The titer of the assay fluid is det...

Dear customers, The following is the protective products  information collected by GBPI for you. Please contact us if necessary. Mob: +86 135 3975 8284 Tel: +86 20 86153790 Email: info@gbtest.cn Website: www.gbpitester.com

Currently, CORONA VIRUS continues to rag around the world. At the time when the international community is stepping up its control of the epidemic, China is actively sharing its prevention and control experience with relevant countries, and is providing assistance within its capacity to some countries where the epidemic has spread. As an industry-leading high-tech private enterprise. GBPI, in addition to expediting the development and production of mask detection equipment, is facing the global epidemic, and we hope to provide assistance to global enterprises and friends wherever we can, specifically in the following areas: 1.Provided by direct sales or sales channels of protective equipment Mask, Goggles, Protective Clothing, Infrared Forehead Grab, Portable Ventilator 2. Guidance for community, enterprise and individual epidemic prevention and control 1) Communities: how to carry out community prevention and control management, how to carry out epidemic prevention and control propaganda to community members 2) Enterprise companies: how to prevent and control, and what to do if there are suspected cases in the enterprise 3) Personal: how to protect daily, how to protect the surrounding cases 3. Free provision of protective equipment in severe epidemic areas or medical institutions (GBPI will donate) For some severely epidemic-stricken regional institutions or communities, a certain number of protective supplies are provided free of charge. Friends in need can contact us. 4. Mental health guidance during the epidemic How companies can channel the bad emotions of employees during the epidemic, try not to affect the operation of the enterprise, and for employees, how to face the epidemic with a healthy mentality. 5.GBPI Self-developed Mask Detection Instrument Ethylene oxide gas chromatography Mask Synthetic Blood Penetration Mobile Atomizing Humidification And Disinfection Equipment Multifunctional Tensile Tester for Face Mask Face Mask Particulate Filtration Efficiency Tester Face Mask Pressure Differential Tester Respiratory resistance tester Mask Bacterial Filtration Efficiency (BFE) Detector Facial Mask Flame Retardant Tester Friends who need help around the world can contact us and we will try our best to help you! Factory Add: No.1 Minghua 3 St. Jinxiu Rd., Economic Development Zone, Guangzhou, 510730 China Office Add: Room 305, Science building, Guangdong University of Technology, Higher mega education center, Panyu, Guanghzou, 510006 China Tel: +86 20 86153790 Hotline: +86 400-7886855 Fax: +86-20-82087405 Email: info@gbtest.cn Website: www.gbpitester.com

Harvest September and October, every September and October of each year is our GBPI international exhibition moment! GBPI has been developing international market for many years, to provide dozens of countries and regions packaging testing instruments and testing services for institutional and corporate company This year GBPI will bring the latest packaging testing equipment to participate in "America International Packaging Exhibition Pack Expo" and "K show in Germany", and will introduce our most competitive packaging solutions, comprehensive display the latest achievements in the field of packaging testing. Pack Expo Las Vegas American International Packaging Exhibition, Booth: S-7156 Name : 2019 Las Vegas packaging exhibition PACK EXPO Las Vegas Show Date: September 23, 2019 - September 25, 2019 Venue: Las Vegas exhibition period: Once a year, each held in different cities organizer: packaging Machinery Manufacturers Institute ,American international packaging exhibition sponsored by PMMI packaging Machinery Manufacturers Association, the annual session, in Chicago and Las Vegas two be held alternately, from 1995, the first session of the success so far, has developed into the largest packaging exhibition in North America, it is an international packaging exhibition in a very influential professional exhibition. K show in Germany, Booth: 7.2 B27, from 19. October to 26. October 2016, in Düsseldorf Germany K show is the world's largest trade fair for the plastics and rubber industry. It gathers the most important supplier of plastics and rubber machinery, raw and auxiliary materials and semi-finished products, technical parts and reinforced plastic products under one roof. It is an ideal platform to showcase products and innovations and to make business contacts. K will be followed by a special exhibition under the theme "Visions in Polymers", that presents the trends and innovations of the industry. Special consideration is given to the subjects of energy efficiency and resource conservation. Guangzhou biaoji testing tech Co., Ltd. was established in 2002, is a national, comprehensive and independent third party testing services provider. We strive to provide plastic film water vapor transmission rate, oxygen transmission rate, gas permeation testing service for packaging, food, medicine, testing etc.. And access to many well-known international institutions and organizations Accreditation and certification, testing and certification results are internationally recognized. The company laboratory passed the Chinese National Laboratory Accreditation accredited Conformity Assessment Board (CNAS), obtain certify by inspection and testing institutions accreditation (CMA). to provide material barrier property testing services For domestic food, medicine and other packaging industry manufacturers, to provide data support for the packaging product testing, to provide users with data comparison service, issued legally binding test data for customers.

Guangzhou Biaoji Packaging Equipment Co.,Ltd （below called GBPI）actively participate in international proficiency testing，recently obtained a good news, to participate "tear force test" "coefficient of friction" "light transmittance / haze measurement" four projects the international laboratory proficiency testing which are organized by German DRRR organizations in 2019,  GBPI CNAS laboratory performs with excellent  results! It indicates our GBPI quality control testing system operating effectively, our CNAS Laboratory proficiency testing maintain a high level . The German reference office for proficiency testing and reference materials (DRRR) is a service company for external quality assurance of laboratories of the food industry, the packaging / consumer goods /plastic industry and building industry. It is German largest inspection body, reference material producer and proficiency testing (PT) provider. Especially the field of proficiency testing, DRRR based on ISO 17043:2010 rules, becomes the proficiency testing (PT) provider which is authorized by German DAKKS, also internationally recognized providers of PT. Currently, there are more than 1,000 laboratory from worldwide to participate in DRRR proficiency testing. Below pictures shows our GBPI laboratory DRRR proficiency testing results, very excellent and great success. GBPI laboratory Coefficient of Friction proficiency testing by DRRR GBPI laboratory Elemdorf Tear Resistance Test proficiency testing by DRRR GBPI laboratory Haze and Transparency Test proficiency testing by DRRR Guangzhou biaoji testing tech Co., Ltd. was established in 2016, is a national, comprehensive and independent third party testing services provider. We strive to provide plastic film water vapor transmission rate, oxygen transmission rate, gas permeation testing service for packaging, food, medicine, testing etc.. And access to many well-known international institutions and organizations Accreditation and certification, testing and certification results are internationally recognized. Through the efforts of our staffs and customer trust, now GBPI already has a professional testing team, testing room area of 1536 square meters, and equipped with relative testing instruments including oxygen permeability tester, gas permeability tester, water vapor permeability tester and various auxiliary facilities. Functional areas including sample rooms, testing rooms, offices. Inspectors have the appropriate academic background and knowledge structure, strict ly accordance with national norms in terms of organization, equipment, personnel training, testing procedures, laboratory environment and work systems, etc., to meet the needs of the testing work. The company laboratory passed the Chinese National Laboratory Accreditation accredited Conformity Assessment Board (CNAS), obtain certify by inspection and testing institutions accreditation (CMA). to provide material barrier property testing services For ...