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Standard & Product Specification(updated on 26th July 2020)
*Dr. Mask is a social enterprise with dual objectives:* Social objective: Employment Opportunities for Ethnic Minorities in Hong Kong * Business objective: Making High Quality Face Masks Affordable
• Priority for NGOs and Schools• ISO 8 Cleanroom Environment• Business Registration: Full Sky Technology Limited• The Health of employees is monitored by AI Temperature Control• Testing of Face Masks by Hong Kong Standards and Testing Centre
Objectives:
Certificate of ComplianceFULL SKY TECHNOLOGY LIMITED “Dr. MaSK”
ISO Class 8 – CLEANROOM, MATERIAL STORAGE, GOWN ROOM, BUFFER ROOM
As per requirement of Cleanroom Standard ISO-14644-1:2015, the designated area listed above have met the acceptance criteriafor ISO Class 8 Air Cleanliness under At-Rest condition. Testing was performed in accordance with NEBB Procedural Standardsfor each of its disciplines and the result recorded in the Certified Cleanroom Performance Testing Report No. CR06-2020.
Airgate Engineering (HK) Limited Tel : (852) 2317 1012 Fax : (852) 2317 1010Email : [email protected] Website : http://www.airgate.com
Unit C, 7/F, Kader Building, 22 Kai Cheung Road, Kowloon Bay
Choy Wai Sun, NEBB CPT Certified Professional, No. 3292
Report No. : CR06-2020
Date of Certification : 3 July 2020
Face Mask INFO:
Three Sizes: Adult, Medium, and SmallTested by EN 14683 – Level 1 & PFE Test (Testing Reports in www.drmask.org )
EN14683 Type 1: Bacterial filtration efficiency: ≥95%Differential pressure, Pa/cm2 (Breathability): <40Microbial cleanliness (cfu/g): ≤30Cleanroom: ISO Class 8 無塵車間 NEBBPFE Test: Particulate filtration efficiency: ≥95%
Many customers ask why Dr. Mask follows the testing standards of EN 14683, and not ASTM. Both tests have their pros and cons. ASTM includes PFE in its test, but EN 14683 does not require PFE. However, ASTM does not require Microbial Cleanliness test, but EN 14683 requires it. To ensure that Dr. Mask covers the best of both worlds, we send our masks to Hong Kong Standards and Testing Centre https://www.stc.group/tc to perform two tests. One is EN 14683 and another one is PFE test. With this arrangement, we cover BFE, PFE, Differential Pressure, and Microbial Cleanliness.Their similarities and differences are illustrated in the table on the right side.
EN 14683 vs ASTM
Dr. Mask has two production lines. One is in HK and another one is in Shunde, China. The masks of both lines are tested by Hong Kong Standards and Testing Centre, and they meet the standards of EN 14683 Level 1, and PFE > 95% requirement. Some test results even reach the level of 99%. Please see attached the testing reports.
Dr. Mask Testing Reports
Date : 2020-07-20 Page 1 of 2 No. : HC20070765
_______________________________
LAU Yuk Kuen, Joey Authorized Signatory
Chemical and Food Department For and on behalf of
The Hong Kong Standards and Testing Centre Ltd.
The Hong Kong Standards and Testing Centre Limited
10 Dai Wang Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong Tel: +852 2666 1888 Fax: +852 2664 4353 Email: [email protected] Website: www.stc.group
This report shall not be reproduced unless with prior written approval from The Hong Kong Standards and Testing Centre Limited. For Conditions of Issuance of this test report, please refer to the overleaf and Website.
Applicant(Code:01319483) : Full Sky Technology Limited Unit C 7/F Kader Building Kln Bay Kln HK
Description of Sample(s) : One submitted sample said to be Dr. Mask (Hong Kong) Batch 2 PFE Test. Sample(s) Received Condition(s): In plastic bag under
ambient temperature
Date Sample(s) Received : 2020-07-15
Date Tested : 2020-07-16
Investigation Requested : Particulate Filtration Efficiency (PFE) %
Method(s) Used : ASTM F2100-2019 9.3 & ASTM F2299-2017
Date : 2020-07-20 Page 1 of 2 No. : HC20070766
_______________________________
LAU Yuk Kuen, Joey Authorized Signatory
Chemical and Food Department For and on behalf of
The Hong Kong Standards and Testing Centre Ltd.
The Hong Kong Standards and Testing Centre Limited
10 Dai Wang Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong Tel: +852 2666 1888 Fax: +852 2664 4353 Email: [email protected] Website: www.stc.group
This report shall not be reproduced unless with prior written approval from The Hong Kong Standards and Testing Centre Limited. For Conditions of Issuance of this test report, please refer to the overleaf and Website.
Applicant(Code:01319483) : Full Sky Technology Limited Unit C 7/F Kader Building Kln Bay Kln HK
Description of Sample(s) : One submitted sample said to be Dr. Mask (China) PFE Test. Sample(s) Received Condition(s): In intact original package under
ambient temperature
Date Sample(s) Received : 2020-07-15
Date Tested : 2020-07-16
Investigation Requested : Particulate Filtration Efficiency (PFE) %
Method(s) Used : ASTM F2100-2019 9.3 & ASTM F2299-2017
Date : 2020-06-08 Page 1 of 2
No. : HC20050635
_______________________________
LAU Yuk Kuen, Joey
Authorized Signatory Chemical and Food Department
For and on behalf of
The Hong Kong Standards and Testing Centre Ltd.
The Hong Kong Standards and Testing Centre Limited 10 Dai Wang Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong
Tel: +852 2666 1888 Fax: +852 2664 4353 Email: [email protected] Website: www.stc.group This report shall not be reproduced unless with prior written approval from The Hong Kong Standards and Testing Centre Limited.
For Conditions of Issuance of this test report, please refer to the overleaf and Website.
Applicant(Code:01319483) : Full Sky Technology Limited Unit C Floor 7 Kader Building 22 Ka Cheung Road Kln Bay Kln HK
Description of Sample(s) : One submitted sample said to be Dr. Mask 3 Ply-Ear Loop Professional Face Mask (Dr. Mask 口罩博士). Country of Origin : HK Sample Receiving Condition: In plastic bag under
ambient temperature
Date Sample(s) Received : 2020-06-05
Date Tested : 2020-06-05 to 2020-06-08
Investigation Requested : Bacterial Filtration Efficiency (BFE) %
– Staphylococcus aureus (ATCC 6538)
Method(s) Used : EN 14683:2019 Annex B
Dr. Mask (HK & China) PFE Testing Results
Specimen(s) Dr. Mask (Hong Kong) PFE Test
1 99.6%
2 99.7%
3 99.5%
4 99.5%
5 99.6%
Average 99.6%
Particulate Filtration Efficiency (PFE) % (0.1μm PSL ; Flow rate : 28.3 Litre/min)
Specimen(s) Dr. Mask (China) PFE Test
1 99.5%
2 99.6%
3 99.7%
4 99.6%
5 99.5%
Average 99.6%
Dr. Mask (HK) EN 14683 Results
Specimen(s) Dr. Mask (HK)
1 96.6%
2 98.0%
3 98.6%
4 98.0%
5 97.6%
BS EN 14683:2019 Requirement:
Type I Ø or = 95% PASS
Bacterial Filtration Efficiency (BFE) % – Staphylococcus aureus (ATCC 6538)
Specimen(s) Dr. Mask (HK)
1 36.0 Pa/cm2
2 35.8 Pa/cm2
3 41.8 Pa/cm2
4 41.7 Pa/cm2
5 43.6 Pa/cm2
EN 14683: 2019 Requirement
Type I / Type II <40 Pa/cm2
Conclusion for differential pressure
PASS
Differential Pressure
Specimen(s) Mask Weight (g)
Total Bioburden (CFU/mask)
Total Bioburden (CFU/g)
1 2.81 126 44.8
2 2.73 <3 <1.1
3 2.72 <3 <1.1
4 2.79 9 3.2
5 2.77 9 3.2
Mean: 10.5
EN 14683: 2019 Requirement
Type I / Type II / Type IIR ≤ 30 CFU/g
Conclusion for microbial cleanliness (Bioburden)
PASS
Microbial cleanliness (Bioburden)
Dr. Mask (China) EN 14683 Results
Bacterial Filtration Efficiency (BFE) % – Staphylococcus aureus (ATCC 6538)
Differential Pressure Microbial cleanliness (Bioburden) Specimen(s) Dr. Mask (China)
1 97.7%
2 96.6%
3 97.0%
4 96.6%
5 96.8%
BS EN 14683:2019 Requirement:
Type I > or = 95% PASS
Specimen(s) Mask Weight (g)
Total Bioburden (CFU/mask)
Total Bioburden (CFU/g)
1 3.40 61 17.9
2 3.37 86 25.5
3 3.33 12 3.6
4 3.44 13 3.8
5 3.36 10 3.0
Mean: 11
EN 14683: 2019 Requirement
Type I / Type II / Type IIR ≤ 30 CFU/g
Conclusion for microbial cleanliness (Bioburden) PASS
Specimen(s) Dr. Mask (China)
1 34.7 Pa/cm2
2 35.3 Pa/cm2
3 35.7 Pa/cm2
4 33.1 Pa/cm2
5 31.6 Pa/cm2
EN 14683: 2019 Requirement
Type I / Type II <40 Pa/cm2
Conclusion for differential pressure
PASS
Many customers ask why Dr. Mask follows the testing standards of EN 14683, and not ASTM. Both tests have their pros and cons. ASTM includes PFE in its test, but EN 14683 does not require PFE. However, ASTM does not require Microbial Cleanliness test, but EN 14683 requires it. To ensure that Dr. Mask covers the best of both worlds, we send our masks to Hong Kong Standards and Testing Centre https://www.stc.group/tc to perform two tests. One is EN 14683 and another one is PFE test. With this arrangement, we cover BFE, PFE, Differential Pressure, and Microbial Cleanliness.Their similarities and differences are illustrated in the table on the right side.
EN 14683 vs ASTM
Kindly send us your request by email or phonePhone: [email protected]
(Quotation & Order Form in our website)
Thank you for your support to Dr. Mask
Address of Dr. Mask: Full Sky Unit C, 7/F Kader Building, 22 Kai Cheung Road, Kowloon Bay, HK
Contact:
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