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Mặt nạ iEvac USAThời gian đăng 21:54 | 16/07/2012 | TP HCM Lượt xem tin 162 Mã tin 18333824
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0949813117 Mua quyền ưu tiên cho tin
What independent tests have been performed on the iEvac®?
Certification to ANSI/ISEA 110-2009 The iEvac® Smoke/Fire Hood is certified by the Safety Equipment Institute (SEI) as being in complete conformance with ANSI/ISEA 110-2009, American National Standard for Air-Purifying Respiratory Protective Smoke Escape Devices. This certification is earned after extensive independent testing to prove compliance with every requirement in the Standard. This testing was performed by Intertek and Assay Technology. NIOSH Approval The iEvac® is approved by the National Institute of Occupational Safety and Health, NIOSH, as a gas mask in accordance with 42 CFR Part 84. The iEvac® is approved by NIOSH to provide respiratory protection from CS, CN or any particulate including toxic dusts, fumes and mists or combination of CS, CN and particulates. This certification of approval was issued following the examination, inspection and testing performed by NIOSH in accordance with the Federal regulations. Gas masks are for use as respiratory protection during entry into atmospheres not immediately dangerous to life or health or escape only from hazardous atmospheres containing adequate oxygen to support life. Total Performance The iEvac® Smoke/Fire Hood has a recorded protection factor greater than 90,000. iEvac® is a smoke escape hood, an air purifying respiratory device for immediate evacuation in case of an emergency. Its overall effectiveness depends on the filters, the nose cup and the neck dam. Each of these three integrated elements must play a part in order for the entire hood to be protective. The overall effectiveness is determined by a Fit Test, and is measured by checking the performance during a series of standardized exercises. The Fit Test result is expressed as the protection factor of the iEvac®. For reference, OSHA has assigned a protection factor of 10 for N95 masks and 50 for rubberized full face masks. Another benchmark is the NIOSH test requirement for CBRN APER masks (respirators for escape from toxic and dangerous atmospheres containing chemical, biological, radiological and nuclear hazards). NIOSH requires a protection factor of 2,000 for these masks. The U.S. Army Research, Development and Engineering Command – Edgewood Chemical Biological Center in Aberdeen, Maryland conducted tests of the iEvac® using the NIOSH methods and procedures. Under these rigorous protocols, they measured the fit test protection factor for the iEvac® as being greater than 90,000. ANSI 110 Total Performance Requirements The iEvac® Smoke/Fire Hood has a recorded Total Inward Leakage of less than 0.01%. This characteristic was measured by the U.S. Army Research, Development and Engineering Command – Edgewood Chemical Biological Center in Aberdeen, Maryland. For reference, the requirement for certification to the ANSI 110 standard is that the total inward leakage shall not exceed 2%. Additionally, the U.S. Army Research, Development and Engineering Command – Edgewood Chemical Biological Center in Aberdeen, Maryland measured and recorded the ocular leakage of the iEvac® Smoke/Fire Hood as less than 0.01%. The ocular leakage is the exposure to contamination that a wearer will experience due to leakage through the neck dam to the interior of the hood, but measured outside the nose cup. For reference, the requirement for certification to the ANSI 110 standard is that the ocular leakage shall not exceed 20%. NIOSH Qualitative Facepiece Fit Requirements The iEvac® was tested by NIOSH in accordance with a NIOSH Standard Test Procedure to ensure that the level of Facepiece Fit protection provided by the iEvac® Smoke/Fire Hood meets the certification standards for approval as a gas mask for protection against CS, CN and particulates. The test procedure and criteria used by NIOSH to test the Facepiece Fit of the iEvac® are also used by NIOSH to test elastomeric or rubber full facepiece gas masks. A panel of subjects, representing all 10 categories of the NIOSH standard fit-test panel, wore the iEvac® in an atmosphere containing 500 ppm isoamyl acetate. Each subject performed a standard sequence of movements. During this test, no subject detected an odor. Gases The iEvac® filters are a proprietary blend of materials specifically formulated to be effective against a wide range of gases and particulates. (Tests against particulates are described below.) Probably the two most dangerous gases encountered during an emergency escape from a fire are carbon monoxide and hydrogen cyanide. These special filters will provide protection against both these gases. They are designed to provide protection against these life-threatening products of combustion and also against other toxic industrial gases and terrorist gases. iEvac® filters have been independently tested against gases. Among the tests are the following: carbon monoxide – a very toxic by-product of combustion tested at 3,000 ppm,5,000 ppm, and 10,000 ppm hydrogen cyanide – a very toxic by-product of combustion tested at 400 ppm sulfur dioxide – a benchmark acid gas tested at 100 ppm acrolein – a benchmark organic vapor tested at 100 ppm cyclohexane – a benchmark hydrocarbon gas tested at 500 ppm hydrogen chloride – a benchmark acid gas tested at 1,000 ppm ammonia - benchmark toxic industrial gas tested at 1,250 ppm chlorine - benchmark toxic industrial gas tested at 200 ppm phosgene - benchmark toxic industrial gas tested at 125 ppm formaldehyde – a benchmark toxic industrial gas tested at 250 ppm phosphine – a benchmark toxic industrial gas tested at 150 ppm DMMP - a simulant for Sarin nerve gas tested at 1,000 ppm hydrogen sulfide – a benchmark toxic industrial gas tested at 1,000 ppm and 5,000 ppm CN – an irritant toxic chemical tested at 16 ppm, including testing by NIOSH during certification at low, standard and high humidity for at least eight hours, both as received and following preconditioning. iEvac® is approved by NIOSH for protection against CN. CS – an irritant toxic chemical tested at 3 ppm, including testing by NIOSH during certification at low, standard and high humidity for at least eight hours, both as received and following preconditioning. iEvac® is approved by NIOSH for protection against CS. carbon dioxide – a special consideration is build-up of carbon dioxide inside the hood. We exhale carbon dioxide naturally, and it is important to make sure that this gas does not build up inside the hood. iEvac® is tested to make sure that the levels inside the hood are safe for the duration of an escape. This requirement is tested by NIOSH during the certification program using a dummy head and a calibrated breathing machine. Particles The iEvac® filters are a proprietary blend of materials specifically formulated to be effective against a wide range of particulates and gases. (Tests against gases are described above.) In keeping with its design excellence, the iEvac® filters contain the best possible particle filter, a high efficiency particulate air HEPA filter. This is the same material used in military gas masks to provide protection against biohazards. The HEPA filter will remove 99.996% of particles that are 0.2 microns in size. It is this ability of the filters to remove sub-micron particulates that keeps out the small particles that may be present in smoke. NIOSH has a number of categories for particulate filters. The most demanding category of particulate filters is P100. Such filters are intended for the removal of any particulate including oil-based liquid particulates and for use for more than a single shift. The certification program includes tests performed by NIOSH to prove that the P100 filters have a minimum efficiency of 99.97 percent when tested against dioctyl phthalate (DOP) or equivalent liquid with a particle size of 0.185 microns. iEvac® is approved by NIOSH to protect against all particulates. The filters will remove very heavy particles such as soot. Testing is performed to ensure that the filters will remove the soot from the air and still not clog the filters so that it is too difficult to breathe. Breathing Resistance The iEvac® filters are very protective and also designed for easy breathing. This is important in all applications but is particularly necessary in emergency situations when the wearer may be inclined to panic. The iEvac® is tested for both inhalation and exhalation resistance. The NIOSH certification program includes tests for breathing resistance. Physical Hazards Many physical hazards may be encountered when escaping from a fire. There will be flames, heat, hot material dripping, and other hazards. Vision will be very important, as will the need for the packaging to stand up to vibration and puncture threats from sharp objects. Inhalation Temperature It is important to establish that the air that comes through the filters does not become overheated by the filtration process. This is established by passing 5,000 ppm carbon monoxide at a temperature of 77°F (25°C) and checking for an increase in air temperature. Flammability Tests for heat and flame resistance. During theses tests components will not have an afterflame longer than 5 seconds. No component will drip, melt or develop a visible hole or be damaged so that eyes or lungs are exposed to smoke. These tests involve a temperature of 1475°F (800°C). Molten drip In this test, a flaming drip from an ignited polypropylene rod is allowed to drop onto the hood. No after flame lasts longer than 5 seconds. Radiant heat The hood is exposed to a radiant heat panel comprising two quartz lamps with a surface temperature between 980°F (527°C) and 1700°F (927°C) determined from a spectral emittance curve. The hood is located 9.5 inches away from the radiant heat panel and exposed for 15 seconds. The requirement is that the hood is not damaged in a way that exposes eyes or lungs to gas or smoke and that the temperature at the top of the head and inside the eyepiece shall not exceed 158°F (70°C). The hood passed. Putting the hood on very quickly The hood can be unpackaged and put on in less than 30 seconds Optical properties Light transmission, haze and field of vision are all tested to make sure that the viewing area is big enough and durable enough. Fogging A test is conducted to ensure that a person can clearly read a standard eye chart while wearing the hood. Corrosion The hood is exposed to a corrosive salt spray, and tested afterwards Vibration This test involves vibrating the packaging for 10,000 cycles. Puncture and tear The package is raked by a sharp pointed heavy striker. The packaging does not puncture, rip or tear Operational Package Leakage The package is immersed in water heated to a temperature of 160°F (70°C) to a depth of 24 inches (600 mm) and must not leak. Temperature exposure The packaged hood is exposed to a temperature of 32°F (0°C) for 24 hours then exposed to 180°F (70°C) for 24 hours. Then the hood is unpacked and tested for performance. Pressure conditioning The packaged hood is exposed to 100 cycles of differential pressure. Each cycle is 60 seconds at ambient, 20 seconds going from ambient to 300 mbar below, 60 seconds at 300 mbar below and 20 seconds back to ambient. Then the hood is unpacked and tested for performance. More Test Data We are continuing to develop more test data for the iEvac® Smoke/Fire Hood and we will add these to our web site as they become available. Ask for test data and details of test methods Precautions Of course, no filter and no hood can provide 100% protection, so be sure to follow the instructions in the User Manual.  Made in USA Giá bán lẻ : 5,040,000đ/cái
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