B.1 General WARNING — Staphylococcus aureus is a pathogen. The relevant national provisions by law and hygienic instructions when dealing with pathogens shall be complied with. B.2 Principle A specimen of the mask material is clamped between a six-stage cascade impactor and an aerosol chamber. An...
Huanyi's 1m3 formaldehyde emission test chamber using library board unit combination. The interior of the box is made of stainless steel and the exterior is painted with epoxy resin to increase the appearance and cleanliness. External configuration:...
1. GB 19083-2010 technical requirements for medical protective masks At present, the only compulsory national standard in medical masks. Masks that meet the requirements of this standard can be used in medical work environments to filter particulates in the air and block droplets, blood, body fluids,...
1 Taking position: The sample can be taken from the main surface of the product or the product itself can be used as a sample. However, if the product cannot be tested or judged, it can be replaced by a test piece between the parties. . 2 Dimensions: The standard size of the test piece is 150 × 70mm, or 100 ×...
1. Standard: GB2626-2019 respiratory protection self-priming filter anti-particle respirator 2. Manufacturer: Dongguan Huanyi Instrument Technology Co., Ltd. 3. Applicable items Mask Filter Tester is used to test the protective effect of daily protective masks and other types of...
With the outbreak and continuation of the epidemic, wearing a mask is the most effective way to prevent the spread of the virus in this fight against the new coronavirus. For a time, medical masks became a scarce resource, causing many people to start making masks themselves, but the design and production of medical...
Why should we choose theright UV weathering test chamber? Because there are several types of light aging test chambers, such asxenon lamp test chamber,carbon arc lamp weathering test box, yellowing aging test box and UV weathering test chamber. They all simulate outdoor sunlight...
1. Product Name: Test Room for Inward Leakage Rate of Chemical Protective Clothing 2, in line with standards: GB / T29511-2013 protective clothing solid particle chemical protective clothing 3. Manufacturer: Dongguan Huanyi Instrument Technology Co., Ltd. 4, operating procedures 4.1 Preparation...
1, the scope of application Applicable to the evaluation of the total leakage rate of half-mask medical protective masks (hereinafter referred to as masks) 2,Meet the standards: YY / T0866-2011 Test method for total leakage rate of medical protective masks 3, the...
(1) Sampling time In principle, air sampling is performed on the first day (24h), 3 days (72h), 7 days, (14 ± 1) days and (28 ± 2) days after the start of the test. Air sampling can also be performed at other specified times. (2) Air sampling Sampling can only be performed after the temperature and relative...
a) Normally, the temperature is 23 ℃ ± 2.0 ℃ in the standard environment, and the sample is evenly replaced on the surface of the stainless steel plate or glass plate. Sample replacement amount is 300g / m2 ± 15g / m2 (ring meter) b) The replacement area of the sample is determined by the relationship with...
The xenon lamp aging test chamber uses a xenon arc lamp with full sunlight spectrum to simulate the destructive light waves in different environments, which can provide corresponding environmental simulation and accelerated tests for scientific research, product development and quality control.According to the...
