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Surgical Masks and General Masks Performance Tests
The masks used to prevent the transmission of bacteria and viruses to people are subjected to testing to ensure the quality standards specified in international norms.
“Fesc Laboratories Group” makes performance tests according to EN 14683 standards in masks suitable for surgicial and general use.
|
TESTS |
TYPE I |
TYPE II |
TYPE IIR |
ANALYSIS TIME |
|
BFE (Bacterial Filtration Efficiency) % |
≥ 95 |
≥ 98 |
≥ 98 |
3-5 Days |
|
Differantial Pressure (Pa/ cm²) |
< 40 |
< 40 |
< 60 |
2-4 Days |
|
Splash Resistance, Synthetic Blood Res. (kPa) |
Not Required |
Not Required |
16,0 |
5-7 Days |
|
Microbial Cleanleness (CFU/g) |
≤ 30 |
≤ 30 |
≤ 30 |
7-10 Days |
Bacterial Filtration Efficiency (BFE) EN 14683 Add. B / ASTM F2101 : 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. The permeability rate of the masks that act as filters is determined as a percentage, and reporting is provided according to the TYPE I, TYPE II, TYPE IIR values specified in the relevant standard in EN 14683 standard.
Differantial Pressure (Breathability) – EN 14683 Add. C : The Differential Pressure (DP) is a test that measures how easily air is passed from one side of the mask to the other. The test product, which is subjected to the constant flow rate determined according to the standard, is carried out on the principle of determining the differential air pressure difference on both sides of the product using a manometer. This indicates how easily the wearer can breathe through the mask.
Splash Resistance, Synthetic Blood Res. : The Synthetic Blood Penetration – Splash Resistance test is one of two synthetic blood resistance tests offered by Fesc Laboratory to determine a product’s ability to act as a barrier to blood-borne pathogens. The Splash Resistance test method challenges medical face masks with a fixed volume of synthetic blood directed at high velocity at the center of the mask.
Microbial Cleanleness – EN 14683 Add. D ISO 11737-1 : It specifies the requirements regarding the counting and microbial characterization of the viable microorganism population. Determination of the microbial pollution on the mask is carried out on the basis of detection of bacteria extracted from the mask by the necessary extraction methods. Based on the weight of the mask, the results are reported as the total bioburden per gram tested for each mask.
