FAQ

1.What happens to the latest EN149:2001 norms?
Since June 2001, the European Standard for particulate respirators has be changed from EN149:1991 to En149:2001. The major change in EN149:2001 is that all particulate respirator will have to provide protection against solid (non-oil) and liquid (oil) aerosols. That is, the S (solid) class and SL (solid and liquid) class have been combined into three categories only-FFP1, FFP2 and FFP3. Your selection will be easier because each respirator covers a easier range of applications.
San Huei obtained EN149:2001 through the notified body BSI (CE 0086) in July 2001 and the new products cover the full range of EN149:2001-FFP1, FFP2 and FFP3. It is our best intention to provide the up-to-date quality products for our customers.
How to identify if your respirator meets the latest EN149:2001 standard? All EN149:2001 certified respirators will bear the marking of EN149:2001 while the previously certified respirators will bear the marking of EN149 only.
OLD EN149:1991-
Type: FFP1S; Initial Penetration (NaCl 95lpm % max.): 20%
Type: FFP2S; Initial Penetration (NaCl 95lpm % max.): 6%
Type: FFP3S; Initial Penetration (NaCl 95lpm % max.): 3%
Type: N/A; Initial Penetration (Paraffin Oil 95lpm % max.): N/A
Type: FFP2SL; Initial Penetration (Paraffin Oil 95lpm % max.): 2%
Type: FFP3SL; Initial Penetration (Paraffin Oil 95lpm % max.): 1%
NEW EN149:2001-
Type: FFP1; Initial Penetration (NaCl and Paraffin Oil 95lpm % max.): 20%
Type: FFP2; Initial Penetration (NaCl and Paraffin Oil 95lpm % max.): 6%
Type: FFP3; Initial Penetration (NaCl and Paraffin Oil 95lpm % max.): 1%
2.How long can the old EN149:1991 respirators be sold?
At this stage, there is no fade-out time for old EN149:1991 norms. Manufacturers can continue to produce EN:149:1991 respirators if they maintain the valid vertificate. However, commercial pressure from the customers will motivate the manufacturers and distributors to provide the up-to-date EN149:2001 products. San Huei will discontinue old EN149:1991 products by June 2002 and will supply only EN149:2001 products afterwards.
3.What are the new products conforming to EN149:2001?
EN149:2001 is in force since June 2001. San Huei obtains the EN149:2001 FFP1/FFP2/FFP3 product certification through BSI (British Standard Institution, CE 0086) in July 2001. There are 20 types of new products conforming to EN149:2001 norms. The cross-reference between EN149:2001 new products and EN149:1991 old products are listed as below:
1.Cone-Type Respirator
(1)EN149:2001-FFP1, New Model: SH9100, EN149:1991-FFP1S, Old Model: SH3710/SH8100, Valve: No, Active Carbon: No, Acid-Resistant Active Carbon: No
(2)EN149:2001-FFP1, New Model: SH9100V, EN149:1991-FFP1S, Old Model: SH3710V/SH8100V, Valve: Yes, Active Carbon: No, Acid-Resistant Active Carbon: No
(3)EN149:2001-FFP1, New Model: SH9100C, EN149:1991-FFP1S, Old Model: SH3710C/SH8100C, Valve: No, Active Carbon: Yes, Acid-Resistant Active Carbon: No
(4)EN149:2001-FFP1, New Model: SH9100CV, EN149:1991-FFP1S, Old Model: SH3710CV/SH8100CV, Valve: Yes, Active Carbon: Yes, Acid-Resistant Active Carbon: No
(5)EN149:2001-FFP1, New Model: SH9100A, EN149:1991-FFP1S, Valve: No, Active Carbon: No, Acid-Resistant Active Carbon: Yes
(6)EN149:2001-FFP2, New Model: SH9250, EN149:1991-FFP2S, Old Model: SH3720/SH8250, Valve: No, Active Carbon: No, Acid-Resistant Active Carbon: No
(7)EN149:2001-FFP2, New Model: SH9250V, EN149:1991-FFP2S, Old Model: SH3720V/SH8250V, Valve: Yes, Active Carbon: No, Acid-Resistant Active Carbon: No
(8)EN149:2001-FFP2, New Model: SH9250CV, EN149:1991-FFP2S, Old Model: SH8250CV, Valve: Yes, Active Carbon: Yes, Acid-Resistant Active Carbon: No
(9)EN149:2001-FFP2, New Model: SH9250AV, EN149:1991-FFP2S, Valve: Yes, Active Carbon: No, Acid-Resistant Active Carbon: Yes
(10)EN149:2001-FFP3, New Model: SH9360V, EN149:1991-FFP3S, Old Model: SH8360V, Valve: Yes, Active Carbon: No, Acid-Resistant Active Carbon: No
2.Fold-Flat Respirator
(1)EN149:2001-FFP1, New Model: SH2910, EN149:1991-FFP1S, Old Model: SH2710, Valve: No, Active Carbon: No, Acid-Resistant Active Carbon: No
(2)EN149:2001-FFP1, New Model: SH2910V, EN149:1991-FFP1S, Old Model: SH2710V, Valve: Yes, Active Carbon: No, Acid-Resistant Active Carbon: No
(3)EN149:2001-FFP1, New Model: SH2910C, EN149:1991-FFP1S, Old Model: SH2710C, Valve: No, Active Carbon: Yes, Acid-Resistant Active Carbon: No
(4)EN149:2001-FFP1, New Model: SH2910CV, EN149:1991-FFP1S, Old Model: SH2710CV, Valve: Yes, Active Carbon: Yes, Acid-Resistant Active Carbon: No
(5)EN149:2001-FFP1, New Model: SH2910A, EN149:1991-FFP1S, Old Model: SH2710A, Valve: No, Active Carbon: No, Acid-Resistant Active Carbon: Yes
(6)EN149:2001-FFP2, New Model: SH2920, EN149:1991-FFP2S, Old Model: SH2720, Valve: No, Active Carbon: No, Acid-Resistant Active Carbon: No
(7)EN149:2001-FFP2, New Model: SH2920V, EN149:1991-FFP2S, Old Model: SH2720V, Valve: Yes, Active Carbon: No, Acid-Resistant Active Carbon: No
(8)EN149:2001-FFP2, New Model: SH2920CV, EN149:1991-FFP2S, Old Model: SH2720CV, Valve: Yes, Active Carbon: Yes, Acid-Resistant Active Carbon: No
(9)EN149:2001-FFP2, New Model: SH2920AV, EN149:1991-FFP2S, Old Model: SH2720AV, Valve: Yes, Active Carbon: No, Acid-Resistant Active Carbon: Yes
(10)EN149:2001-FFP3, New Model: SH2930V, EN149:1991-FFP3S, Old Model: SH2730V, Valve: Yes, Active Carbon: No, Acid-Resistant Active Carbon: No
4.What is the advantage of the "Big Eye" design of SH9360V FFP3 respirator?
In general, higher filtration efficiency will cause higher breathing resistance. The filtration efficiency of a FFP3 respirator is up to 99% against solid and liquid aerosols where the breathing resistance is higher which might make the customers difficult to breathe. In order to solve this problem, some manufacturers have to enlarge the size of the respirator. Instead, we provide an unique "Big Eye" design for SH9360V FFP3 respirator. The "Big Eye" fold design can create larger effective filtration area which can lower the breathing resistance obviously. Wear it and feel it, you will be surprised why a FFP3 respirator can enjoy such low breathing resistance.
5.How to verify the active carbon mask is genuine or fake?
There are a few fake active carbon masks which use fake active carbon pre-filter in the market. For some active carbon masks, they are just "BLACK" masks, not active carbon masks. They might look like Active Carbon Masks because the appearance is BLACK, but the suppliers just die the color on the non-woven substrate which contains no charcoal particle. The genuine active carbon is carbonized under extreme high temperature. Therefore, the active carbon will not melt or disappear even undertaken high temperature afterwards. Just cut the active carbon mask to take out the active carbon pre-filter. Burn the active carbon pre-filter. If you can not find any remnant of charcoal particle or charcoal fiber, then you might purchase the fake active carbon mask.
6.I am sure that I use the genuine active carbon mask, but the adsorption ability against organic vapors or bad odors is poor.
Usually, the charcoal pre-filter is proceeded by mixing charcoal and resin. So the charcoal can be fixed still on the polyester fiber with the glue of resin. However, the resin will close the pore of the surface of the charcoal. Then, the adsorption ability of charcoal will be decreased seriously.
San Huei utilizes the technology of protruding the melt-blown fibers to develop the resin-free ACMB (Active Carbon Melt-Blown). Our ACMB is to mix the charcoal particles with the melt-blown fibers. The charcoal particles have point contact with the melt-blown instead of the resin. Therefore, its adsorption ability will not be decreased by the resin. And we can load heavy-duty charcoal to achieve an excellent performance. The ACMB Comparison Test proves that our ACMB pre-filter can achieve 6~20 times better than other traditional charcoal pre-filter. Same technology has been used on our AAMB (Acid-resistant Active Carbon Melt-Blown) which can relieve the nuisance organic vapor (OV) and acid gas (AG) below OEL.
7.Is the active carbon mask suitable for all working environments?
This is not a correct concept. If there is only non-toxic particles in your working environment, you should not use the active carbon masks. A active carbon mask is as same as a particulate mask except the addition of the active carbon pre-filter. However, active carbon pre-filter is used to adsorb the organic vapors or bad odors and has nothing to do with the particle filtration. Therefore, you don't have to use the active carbon mask unless there is toxic particle, organic vapor, or bad odors in your working environment.
8.Is it true that the mask is not effective against the finest particles?
In general, we think that the finest particles are the most difficult to be captured by the mask. But this is not a correct concept. In filtration theory, there are five main filtration mechanisms: (1)Brownian Diffusion-the smaller the particle is, the stronger the effect is. (2)Interception-the larger the particle is, the better the effect is. (3)Inertial Impaction-the larger the particle is, the better the effect is. (4)Gravitational Settling-the larger the particle is, the better the effect is. (5)Static Attraction-the smaller the particle is, the stronger the effect is. Based on these, we can know that (1) and (5) are effective for smaller particles while (2), (3) and (4) are effective for larger particles.
Therefore, the Most Penetrating Particle Size is called MPPS. The size of MPPS is around 0.6 micron. The International Standard such as EN149:2001, NIOSH 42CFR84, and AS1716 all use MPPS as the testing particle size. If only if you purchase the approved masks, you are well covered.
9.What are the common contaminants and hazards in working area?
Damage to our lings is serious and often irreversible. Different working areas and practices expose us to a variety of hazards such as:
*Dusts-Silica and asbestos can damage lung tissue if they enter the lungs and settle there. When this happens, less tissue is in contact with blood vessels, so reducing the rate at which oxygen is absorbed making breathing more difficult.
*Lead-Substances such as lead produce systematic poisons which, when inhaled, enter the bloodstream and cause damage to other parts of the body, including the central nervous system.
*Vapors-Organic vapors entering the bloodstream have an anaesthetic-like effect on the brain and cause you feel dizzy, reducing co-ordination.
The following substances are examples of Respiratory Sensitizes:
1.Lsocyanates.
2.Flour/Grain/Hay.
3.Some Glues and Resins.
4.Soldening Flux.
5.Laboratory Animals.
6.Wood Dusts.
10.What is the respiratory illness?
Once an allergic reaction has occurred, very small quantities of a substance may produce respiratory illness, such as:
1.Asthma - Wheezing, chest tightness and breathlessness.
2.Extrinsic Allergic Reaction - Breathlessness and flu-like symptoms.
3.Rhinitis - Runny nose and nasal congestion.
Once a person is sensitized, continued exposure can result in permanent damage to his lings and increasingly severe symptoms. People with Rhinitis may go on to develop Asthma. Asthma attacks are likely to become worse and can be triggered by other things such as tobacco smkoke, general air pollution or even cold air.
11.What is OEL/PEL/MAC/TLV for?
OEL, PEL, MAC, and TLV are the same definition with different wording. OEL = Occupational Exposure Limit. PEL = Permissible Exposure Limit. MAC = Maximum Admissible Concentration. TLV = Threshold Limit Value.
They all refer to airborne concentrations of substances and represent conditions under which it is believed that nearly workers may be repeated exposed day after day with out adverse health effects. For example, the OEL value for aluminum dust is 10 mg/m3. If the contaminants in your work area is 80 mg/m3, then you should select a mask which can provide 8 x OEL, protection level at least.
12.What is the function of the exhalation valve on the mask?
The exhalation valve is one way valve. When you inhale, the valve is closed to avoid the inhalation of contaminant air. When you exhale, the valve is open to allow the exhausted air expelled. The exhalation valve is suitable for heavy labor or humid working environments.

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