China Cheap price Aluminum Profile For Tent - N95 Particulate Respirator Face Mask – Special Metal Detail:
Item classification
N series: No time limit for protection of non-oily suspended particles
R series: protection of non-oily suspended particles and sweaty suspended particles for eight hours
P series: protection against non-oily suspended particles and sweaty suspended particles without time limit
Some of the carrier particles is oily, and these substances attached to the electrostatic reduces electrically non-woven fabric, so that penetration of fine dust, so for the anti-oil aerosol filter material to go through a special treatment in order to achieve the anti-small Purpose of dust. So each series is divided into 3 levels: 95% , 99% , 99.97% ( ie 95 , 99 , 100 for short ) , so there are 9 categories of filter media.
Second, the European Union EN149 standard:
FFP1 Type Masks : Minimum filter effects, ” 80%
FFP2 masks : Minimum filter effects, ” 94%
FFP3 Type Masks : Minimum filter effects, ” 97%
Third, the Australian AS1716 standard
P1 : Minimum filter effects, ” 80%
P2 : Minimum filter effects, ” 94%
Fourth, Japan MOL verification standards:
According to Japan’s 2005 Nian 2 Yue 7 , issued 0,207,006 Decree, dust masks standard in the following table
Test environmental conditions |
||
Experimental particle |
DOP (liquid) |
NaCl (solid) |
Particle size distribution μm |
0.15-0.25 |
0.06-0.1 |
Experimental concentration [mg / m3] |
≤100 |
≤50 |
Experimental flow [L / min] |
85 |
85 |
Test time |
Total supply 200mg |
Total supply 100mg |
Replaceable dust mask standard |
||||
distinguish |
Filtration efficiency [above%] |
Inspiratory pressure [Pa or less] |
Exhaust pressure [Pa or less] |
|
DOP |
NaCl |
|||
RL3 |
RS3 |
99.9 |
160 |
80 |
RL2 |
RS2 |
95.0 |
80 |
70 |
RL1 |
RS1 |
80 |
70 |
70 |
Disposable Masks Standard |
||||||
distinguish |
Filtration efficiency [above%] |
Inspiratory pressure [Pa or less] |
Exhaust pressure [Pa or less] |
|||
DOP |
NaCl |
Gas valve |
Airless valve |
Gas valve |
Airless valve |
|
DL3 |
DS3 |
99.9 |
150 |
100 |
80 |
100 |
DL2 |
DS2 |
95 |
70 |
50 |
70 |
50 |
DL1 |
DS1 |
80 |
60 |
45 |
60 |
45 |
Product detail pictures:
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By Nicola from Congo - 2015.05.13 17:00
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By Mandy from America - 2015.02.08 16:45