關於 astmlevel3 ，我們在網路上蒐集到這些相關的討論、資訊與評價

#11. 惠民| ASTM LEVEL 3 醫用成人口罩(獨立包裝) | 士多Ztore

惠民, 產品特點1. 符合美國ASTM F2100 Level 3醫用口罩標準‧ PFE>99%, BFE>99%, VFE≥99.9% ​​‧ 有效阻隔病毒、病菌、細菌、微粒、塵埃、血液、飛沫、花粉、灰塵。 2.

#12. 中童30片獨立包裝ASTM Level 3 口罩(春天三色限定版)

中童30片獨立包裝ASTM Level 3 口罩(春天三色限定版). $85.00. **中童**獨立包裝 **每色10片 **. 規格. 口罩尺寸: 145mm x 95mm +-3mm. 口罩包裝: 30 個/ 盒，獨立 ...

#13. Canuxi Pro 香港製- 高透氣外科耳掛式口罩ASTM Level 3

保質期為製造日期起計3 年. 口罩標準. - 通過SGS A級耐磨測試，耐磨高達1000次而不起毛. - ASTM F2100-19 Level 3 EN14683 Type IIR. - 細菌過濾率BFE≧99%.

#14. 抹茶綠及藍莓深藍30個獨立包裝|香港屈臣氏

網上購買屈臣氏ASTM Level 3 成人三層衛生口罩(175mmx95mm) -抹茶綠及藍莓深藍30個獨立包裝, 零售價HK$88.00。 查看ASTM Level 3 成人三層衛生口罩(175mmx95mm) -抹茶 ...

#15. 【ASTM Level 3 - 極緻黑】香港口罩獅子山™ LionRock Mask

顏色：極緻黑尺寸：17.5cm x 9.3cm每盒30個（獨立包裝）ASTM F2100-11 Level 3通過菌落總數Total Plate Count 安全測試- 通過真菌Fungi 安全測試- 通過金黃色葡萄 ...

#16. 一次性口罩測試結果比較表

3. 樣本. 4. 評分. 有聲稱ASTM F2100 Level 1的型號. 1 AMAG Premium Quality 3 Layers Medical Masks. 175 x 95 mm. 50. $109 $2.2. 香港. ASTM F2100-2019 Level 1 ...

#17. 惠民| (期間限定)[香港製造] Astm Level 3成人醫用口罩ASTM ...

P92451, 惠民, (期間限定)[香港製造] Astm Level 3成人醫用口罩ASTM LEVEL 3 藍色(50片獨立包裝)(新舊包裝隨機發送), 顏色: 藍色, 尺碼: 成人, 數量: 1 盒, 1.

#18. EN 14683 Type IIR- Face Armor 成人口罩- 1盒共25片，獨立

北極光（配藍耳繩） ASTM Level 3/ EN 14683 Type IIR- Face Armor 成人口罩- 1盒共25片，獨立包裝（香港製造). Face Armor. $28.00 $128.00.

#19. 榮華ASTM Level 3成人無痛感彈力耳帶口罩(蜜桃紅50個裝)

香港製造，符合美國標準ASTM Level 3，細菌過濾效率(BFE)及粒子過濾效率(PFE)≥98%，一盒50個蜜桃紅色口罩(尺寸：17.5cm x 9.5cm)，採用無痛感彈力耳帶及3D四摺設計， ...

#20. 成人30片獨立包裝ASTM Level 3 口罩(煙燻黑)

成人**獨立包裝**每色15片**規格口罩尺寸: 175mm x 95mm +-3mm口罩包裝: 30 個/ 盒，獨立包裝，2個色每色15片口罩認證: ASTM Level 3認證機構: Nelson Labs細菌過濾 ...

#21. 香港製造ASTM-LEVEL-3-淺粉紅色一次性平面口罩30片一 ...

香港製造ASTM LEVEL 3 淺粉紅色一次性平面口罩30片一盒獨立包裝Model No.: WN-987 (NO. 2) ASTM LEVEL 3 BFE, VFE, PFE > 99% 香港製造獨立包裝；30片/盒.

#22. Tavos ASTM Level 3 一次性成人口罩| 星CLUB - CCUE.ca

BFE> 98％ · 加拿大製造：於加拿大安大略省設計，製造和包裝。 · LEVEL 3：符合加拿大衛生部的級別3要求，並符合ASTM F2100-19。 · 質量：口罩舒適且耐用。

#23. 口罩測試服務 - STC

ASTM F2100-19. 測試方法. Level 1. Level 2. Level 3. 細菌過濾效率BFE %. ASTM F2101. ≥95. ≥98. ≥98. 顆粒過濾效率PFE % @0.1微米. ASTM F2299.

#24. 【國慶特別版】EPS ASTM Level 3 口罩家庭優惠組合 - 星Club

... ASTM-F2100 Level 3 Compliant (BFE/PFE≥98%); (Tested By ASTM Compliant Canadian Lab: BFE:≥99.9%). * 口罩為個人用品，基於衛生考量，口罩售出後不可退換。

#25. MedFort HK: MedFort 醫堡

傳承醫護，全城守護• MedFort 醫堡超透氣醫療級口罩• 擁有Delta P 4.1 特高透氣度，符合美國ASTM 最高Level 3認證，並榮獲Q嘜及歐盟CE認證.

#26. Prolane Relax 成人醫用耳掛口罩(ASTM Level 3) - 藍

立體剪栽，提升空間感，並附有特闊耳掛，更為舒適. 採用鋁質鼻樑條，更易固定及塑造貼合鼻樑型態，更貼鼻，保護更佳. 美國醫用ASTM F2100-19 Level 3標準.

#27. ASTM Level 3 (50 pcs)【 Made in Hon - FusionLens™

Hong Kong Mask™ Disposable Earloop Adult 3-Ply Mask, Made in HongKong ... Lavender Purple, EN14683 Type IIR | ASTM Level 3 (50 pcs)【 Made in HongKong 】.

#28. 【快閃優惠: $168/3 boxes】ASTM Level 3, FDA & CE (Adult, ...

HDL Medical Face Mask (ASTM Level 3, FDA & CE) 3 Ply Earloop Face Mask BFE ≥ 99% PFE ≥ 99% ASTM F2100-19 Level 3EN14683:2019 Type IIR & CE CertifiedFDA ...

#29. ASTM Level 3 三層防護 罩| 香港保家口罩Procare HK

BFE、PFE、VFE>99%. ASTM F2100-19 Level 3. 通過阻燃性測試. 通過壓力差測試. 通過液體阻擋能力測試. 成人175mm x 95mm. 尺寸：. 包裝形式：. 產地： ...

#30. OK Mask 三層彩色獨立包裝口罩ASTM Level 3 (30個裝)

香港製造，由香港無塵空間廠房的兩條生產線製造 美國ASTM F2100 Level 3 最高認證級別，4項重要認證標準: PFE>99%、 BFE>99%、 VFE >99%，合成血液穿透性>160mmHg

#31. Govek ASTM Level 3 一次性防護型口罩奶茶系列30片裝

更多Govek ASTM Level 3 一次性防護型口罩奶茶系列30片裝相關產品都在香港莎莎網店.

#32. 【GD 99 ⬆️升級到ASTM Level 3✅】 Good Mask 99正式達到...

GD 99 ⬆️升級到ASTM Level 3✓】 Good Mask 99正式達到ASTM Level 3嘅標準喇！呢張證書見證住我哋嘅成長 第一次連120mmHg 同160mmHg 嘅血液滲透都唔識得攞去測試 ...

#33. MEUP 醫生口罩ASTM Level 3(獨立包裝50個)

3 層構造，有效防禦飛沫、細菌和花粉：. PP不織布; 抗病毒加工不織布(不織布50%，PP50%）; PP不織布. ○ BFE99% 細菌過濾效率(BFE, Bacterial Filtration Efficiency)

#34. ASTM Level 3 口罩《五行漸層系列2.0》• 土紫晶非獨立包裝 ...

https://www.853mask.com/products/astm-level-3-%E5%8F%A3%E7%BD%A9-%E4%BA% ... 3-Ply Disposable Surgical Face Mask Non-individually Packed Level 1 (10 Pieces).

#35. What are ASTM standards for medical face masks? ...

3. Fluid Resistance: · 80mm Hg = vein pressure (Level 1) · 120mm Hg = arterial pressures (Level 2); · 160mm Hg =Correlates with high pressures that ...

#36. AB DIAMOND塗層口罩全日守護你| ASTM Level 3 - YouTube

AB DIAMOND塗層口罩全日守護你| ASTM Level 3 | BFE / PFE / VFE ≥ 99.9% ... Click here to read comments while watching the video.

#37. 惠民-+-+-成人醫用口罩-ASTM-LEVEL-3-(藍色)-(50片獨立包裝)

產品描述: 1. 符合美國ASTM F2100 Level 3醫用口罩標準‧ PFE>99%, BFE>99%, VFE≥99.9% ​​‧ 有效阻隔病毒、病菌、細菌、微粒、塵埃、血液、飛沫、花粉、灰塵。 2.

#38. ASTM Level 3 級成人口罩(湖綠色)

ASTM Level 3 級成人口罩(湖綠色). 型號： 2AD-05-A-063 存貨狀態： 現貨產品 存貨數量： 100. HK$ 64.00. 數量. More details. 商品比較. AddThis Sharing Buttons.

#39. TENCOVER 3Ply Disposable Metal Free Medical Masks ...

Typical Canada/US. Test, ASTM F2100. Level 3. Bacterial Filtration Efficiency, %, ≥98. Differential Pressure mm H2O/cm2 (Pa/cm2), <6.0.

#40. 5. CAREWE 醫用口罩ASTM Level 3 & EN 14683 TYPE IIR

外色:白色。 超柔軟舒適內層; 高度透氣舒適; 減少皮膚刺激; 不含乳膠. 產品規格. ASTM F2100 Level 3 / BFE ...

#41. Surgical Disposable Mask, ASTM Level 3, (Box of 50)

DemeTECH's Surgical Face mask is FDA cleared, manufactured using the highest quality of American-made materials, and 100% manufactured in The United States.

#42. Watsmask Astm Level 3 口罩30片裝-灰白﹑淺灰及深灰 - 百佳

貨品詳情: - 超柔軟無痛耳掛 -香港製造 -獨立包裝 -ASTM LEVEL 3 認證. 原產地: 香港. 注意事項: 一次性使用。建議每連續使用4小時後更換一次新口罩。 使用方法:.

#43. MediGATE Ultra-Guard 3 Layer Face Mask (ASTM Level 3) (

本產品符合美國ASTM Level 3 最高級別獨立包裝，每盒30 個於ISO 14644-1 Class 8 無塵車間廠房生產175mm x 95mm 外層PP不織布，具防飛沬功能內層使用SOF牛油紙布， ...

#44. Meltblown ASTM Level 3 - World Wisdom Limited

Daily Cost can be HKD 0.24/ only !! ... Save the environment! ... Window Mask 2.0 is ready for you! You can purchase World Vision Product now. ... WHY NANO MASKS? Let ...

#45. NEW! Hello Kitty ( 美國ASTM F2100 LEVEL 3 ) 成人三層防護 ...

... VFE (病毒過過濾效率) ≥99.5% 歐盟認證及口罩檢驗標準：EN 14683 TYPE II R 美國ASTM F2100 Level 3 鑑於衛生理由，所有口罩產品訂單確認後，不能取消及退換.

#46. 星護口罩檢測報告-符合ASTM Level 3標準

材料規格 · 星護口罩檢測報告-符合ASTM Level 3 標準 · 星護口罩檢測報告-符合國內YY0469-2011 (醫用外科口罩)標準 · 安全性報告-含菌量符合標準 · 外層防水層規格 · 中層過濾層 ...

#47. [全新日系藍染薄縹色] DSG ASTM Level 3 三層即棄外科口罩 ...

三層即棄外科口罩($58/30片裝)• 香港製造• 獨立包裝• ASTM Level 3 產品認證 (VFE BFE PFE 99%)• 於十萬級無塵室生產.

#48. 惠民- ASTM Level 3 女士醫用口罩白色(50片獨立包裝)

美國ASTM F2100 Level 3醫用口罩標準 – 國際級無塵車間ISO 14644-1:2005:Class 7 生產 – 通過ISO 13485 醫療器械品質管理體系 – BFE及PFE≥99%，VFE≥99.9%

#49. Reassure ASTM Level 3 醫療級口罩(30片/獨立包裝) - Homestuff

EN14683 Type II R - Meet ASTM F2100-11 Level 3 - B.F.E & P.F.E > 99%

#50. ASTM Level 3 Coloured Procedural Mask (EPS Blue)

Features: Size: Adult 3 Layers with Earloop Made in Markham, Ontario. High Filtration Capacity Fiberglass & Graphene Free Hypoallergenic ASTM-F2100 Level 3 ...

#51. Canuxi 肯納絲ASTM Level 3 5色三層掛耳式中童即棄口罩(獨立 ...

標準︰ASTM Level 3 認證細菌過濾效率(BFE) 及粒子過濾效率(PFE) 大或等於99% 粉紅﹑橙﹑粉紫﹑粉綠及白色(每色6片) 香港製造尺寸︰14.5 x 9.5cm. 在您的目錄.

#52. Mocacare ASTM Level 3 Mask 50pc/box

Bacterial Filtration Efficacy (BFE) is greater than 99.7%. FREE SHIPPING (no need to enter code). FDA authorized Surgical mask ASTM Level 3, made in Taiwan, ...

#53. 成人醫用口罩ASTM LEVEL 3 藍色(50片獨立包裝) (香港製造)

符合美國ASTM F2100 Level 3醫用口罩標準‧ PFE>99%, BFE>99%, VFE≥99.9% ‧ 有效阻隔病毒、病菌、細菌、微粒、塵埃、血液、飛沫、花粉、灰塵。

#54. acc+ 立體成人口罩ASTM Level 3 10片裝 - 森島選物

ASTM Level 3 10片一盒，獨立包裝。 超低呼吸阻力Breathing Resistance< 5mmH2O 採用不受濕氣影響的嶄新駐極技術，能持久保持過濾效能順滑親膚內層，呵護肌膚細菌過濾 ...

#55. Medical Face Mask (ASTM Level 3) - Shop Primed

PRIMED ASTM Level 3 Medical Face Masks combine breathability and comfort with advanced medical-grade fluid resistance and filtration capabilities.

#56. ASTM Level 3 3-ply Disposable Mask, Blue, 50/Box ... - Staples

ASTM Level 3 Mask with Earloops · 50 masks per box · Ultrasonically welded seams · Double-reinforced bendable nosepiece keeps the mask in place · Breathable, ...

#57. The right mask is an ASTM-rated mask. - Cardinal Health

When at risk of encountering blood and/or bodily fluid splatter, wear the recommended. ASTM Level 3 fluid-resistant mask and get the best protection for the OR.

#58. ASTM LEVEL 3 成人口罩純白版（30個獨立包裝）

文明堂醫用外科口罩符合美國ASTM LEVEL 3標準，有效過濾新冠病毒，細菌有效過濾BFE99%及微粒過濾PFE99%. ​30個獨立包裝; 三層內耳款式口罩. ​內耳款式：.

#59. Wellman Kids Medical Face Mask ASTM LEVEL 3 50pcs ...

Product Features · 1. Comply with the American ASTM F2100 Level 3 medical mask standard · 2. Made in Hong Kong · 3. Three-layer protective filter design.

#60. ASTM Level 3 - Sunlight Mask

ASTM Level 3. 公司背景 · 產品認證 · 使用方法 · 聯絡我們 · 隱私政策. 版權© 2022, Sunlight Mask. 由Shopify 技術支援. 付款圖示. 關閉購物車.

#61. Medicom 口罩再度Amazon 返貨今次更有ASTM Level 3 認證

今次在Amazon 返貨的是型號2042 和2072 的Medicom 外科手術口罩50 個裝，具備ASTM Level 3 認證，BFE 和PFE 大於98%，合成血液穿透阻力達160mmHg， ...

#62. Chartered Mask - ASTM Level 3 一次性耳掛式外科口罩

符合美國材料和試驗協會的口罩標準F2100第三級產品標準要求 細菌過濾率BFE ≥ 98 微粒子過濾率PFE ≥ 98 防濺物料外層 Meets ASTM International F2100 Level 3 ...

#63. 成人ASTM Level 3】一次性醫療口罩(30個獨立包裝)-MoreDeal ...

香港口罩獅子山-【熱帶橙-成人ASTM Level 3】一次性醫療口罩(30個獨立包裝) ✦產品簡介3層設計ASTM F2100-19 Level 3 BFE，PFE ≥ 99% 美國材料和試驗協會(American ...

#64. Prozone一次性ASTM Level 3專業口罩(成人) -- 獨立包裝, 30個

產品編號:PZ051-30 顏色；白色包裝；30個一盒、40盒/箱(1200個/箱)尺寸：17.5cm x 9.5cm 美國醫用ASTM F2100-19 Level 3標準*BFE>99% 細菌過濾率*PFE>99% 顆粒過濾 ...

#65. MEDICAL FACE MASK TESTS AND REQUIREMENTS

MEDICAL FACE MASK TESTS AND REQUIREMENTS. ASTM F2100-19. EN 14683:2019 Barrier Levels. Level 1. Level 2. Level 3. Type I. Type II. Type IIR. Barrier.

#66. Wovenx 4-Layer ASTM F2100 Level 3 Face Mask (50 Pieces)

Wovenx 4-Layer ASTM F2100 Level 3 Face Mask (50 Pieces) ... QUALITY Each face mask is constructed with unique 4-ply non-woven fabric and melt blown cloth for face ...

#67. ASTM Level 3 DT-MSK-0003 Surgical Masks - Project N95

Product Features: Demetech's Surgical Face Mask is FDA Cleared, Manufactured Using High Quality American Made Materials, And 100% Manufactured In The United ...

#68. ASTM Level 3 Procedure Face Masks with Ear Loops - Medline

This mask meets the Level 3 ASTM F2100-19 Standard Anti-fog strip of soft and comfortable foam helps prevent eyeglasses from fogging, ensuring optical ...

#69. LHM ASTM Level 3 Face Mask - Lavender - 凱健牙科

LHM ASTM Level 3 Surgical Face Mask - Lavender ⭐️Carton of 10 boxes⭐️. 2021最新口罩購物優惠 1 - 4 箱，即享65 折 5 - 12 箱， 即享6 折

#70. ValuLine® Blue Mask ASTM Level 3 Box of 50 - Supplies

Product Details. Latex Free, Fiberglass-free, Non-sterile, Fluid Resistant, Adjustable Noseband. Protection Rating: ASTM Level 3 ...

#71. Medline ASTM Level 3 Procedure Face Masks with Ear Loops ...

ASTM Level 3 Procedure Face Mask with Ear Loops and Thermal Bond Inner / Polypropylene Outer Facings, Purple This mask meets the Level 3 ASTM F2100-19 ...

#72. 九巴口罩推3色系9種新色！$48元30片達ASTM Level 3 10月中 ...

九巴昨日（29日）在facebook專頁「KMB 九巴專頁」上公布，推出3款色系共9種顏色的口罩，每盒30片售48元，每款顏色各有10片，達ASTM F2100 Level 3 ...

#73. Fusion – ASTM Level 3 Face Mask 50/Box

Compliant to ASTM F2100, Passed Level 3 as tested by a Canadian Independent Lab. (Page 1 of report attached) 98% Bacterial Filtration Efficiency 98% ...

#74. [香港製造] WELLMAN 惠民中童醫用口罩ASTM LEVEL 3 白色 ...

[Made in Hong Kong] Children Medical Mask ASTM LEVEL 3 White (50pcs individual packing) 10Boxes. 口罩規格. ASTM F2100 Level 3. BFE，PFE>99%. VFE≥99.9%.

#75. 成人口罩ASTM level 3 (50 個一盒)

特點透氣度高透氣度測試達到 Delta P 3.3 等級別減低眼鏡鏡片霧化效應德國進口溶噴布物料高品質過濾高度阻隔液體舒適柔軟掛耳帶香港製造認証ASTM F2100-11 Level 3 ...

#76. Medicom SafeMask Premier Elite ASTM Level 3 口罩(50個 ...

適用對象:成人, 佩戴方式:掛耳式, 口罩數目:50個, 獨立包裝:否, 比較Medicom SafeMask Premier Elite ASTM Level 3 口罩(50個) 2042 價格，查看詳細規格、用家意見、 ...

#77. FORA ASTM Level 3 Disposable 4 Ply Surgical Mask, Box of ...

[ASTM LEVEL 3 CERTIFIED] FORA surgical disposable masks are compliant with ASTM F2100 Level 3 and guaranteed to provide safety with BFE and PFE≧ 98%. [4 LAYERS ...

#78. ASTM Level 3 Medical Face Mask - Oliberte

ASTM Level 3 Medical-Grade Face Mask Particulate Filtartion Efficiency (PFE) >98% Bacterial Filtration Efficiency (BFE) >98% Breathability (mm H20/cm2) <6.0 ...

#79. ASTM Level 3 Surgical Ear Loop Face Mask - Regular

High protection against respirable biological and non-biological particles. The QSi ASTM level 3 surgical ear loop face mask is made from an ultra-soft ...

#80. Procedure Mask, ASTM Level 3, Earloop (Box of 50) 3137773

The Regard® ASTM Level 3 Procedure Mask provides maximum barrier protection and is suitable for use in environments with a high risk of fluid exposure.

#81. 成人三層醫護口罩30片ASTM Level 3 (獨立包裝) (彩色耳繩)10 ...

三層醫護口罩成人30片獨立包裝」V Caresee （唯心思）口罩由製造到包裝程序全部Made in Hong Kong，加上嚴選低敏感物料製造，減輕肌膚負擔，而且具備良好透氣功能， ...

#82. ASTM Level 3 Masks - The Canadian Shield

The Canadian Shield's Level 3 procedural masks offer maximum barrier protection for environments with heavy risk of aerosol, spray or fluid exposure.

#83. iMask Kids ASTM Level 3 Earloop Mask Pink 50/pk - Pacdent

iMask Kids ASTM Level 3 Earloop Mask Pink 50/pk - Pacdent. These disposable masks protect kids from pollen and other harmful particles in the air.

#84. Astm Level 3 Mask - Walmart

Shop for Astm Level 3 Mask at Walmart.com. Save money. Live better.

#85. Premium 3-Ply Medical Face Mask, ASTM Level 3 | SMPcanada

Our premium quality medical 3-ply face mask is essential to the prevention of large droplet aerosols and splashes from coming into contact with the mucous ...

#86. NC300 SoftComfort³ ™ ASTM Level 3 Medical Grade ... - Ensy

NC300 SoftComfort³ ™ ASTM Level 3 Medical Grade Procedural Earloop Mask · Description · Airlok™ Proprietary technology · Closer-fitting mask for minimal air ...

#87. 產品訂購 - 益成醫療用品有限公司

口罩標準. 益成醫療生產的口罩均符合ASTM F2100-19 Level 1 | 細菌過濾率BFE ≧99% |微粒子過濾率PFE ≧99% ... 肯納絲成人5色口罩(獨立包裝30個) ASTM Level 3

#88. Black Face Masks ASTM Level 3, Disposable 3-Ply 50 Pack

Shop Black Face Masks ASTM Level 3, Disposable 3-Ply 50 Pack. Pleated 3 layer design. Comes in box of 50. Ships Canada wide.

#89. ASTM Level 3 Blue Mask - Box of 50 (Made in Canada)

Protect your health and the health of those around you by wearing a trusted respirator mask. With an ASTM F21 level 3 rating, these masks protect from ...

#90. Are ASTM Level 3 Masks the New N95?

ASTM Level 3 masks are popular alternatives to N95 respirators that seem to offer similar filtration efficiency. These medical grade masks ...

#91. ASTM Level 3 Earloop Surgical Masks, Made in USA, Box ...

ASTM Level 3 is the FDA's highest rating for medical and surgical face masks. This mask features an adjustable metal nose piece and non-latex earloops for easy ...

#92. What Does ASTM Level 3 Mean? - Indiana Face Mask

ASTM Level 3 : Ideal for procedures in which there is high risk of fluid exposure (splashes or sprays will be produced). Wearing a face mask that has been ...

#93. ASTM Level-3 Surgical Face Mask - 99% BFE - High Filtration ...

... breathable, comfortable and anti-allergic; Durable ear loops ensure a perfect fit for men and women; Made in an FDA-registered factory; ASTM Level-3, ...

#94. 口罩三問：認識口罩的過濾效能及佩戴舒適度的影響因素

表一：外科口罩和呼吸器以國. 際標準計的功能性測試要求. 外科口罩. 呼吸器. ASTM F2100 Level 1. EN14683 Type I. Level 2. Type II. Level 3.

#95. ASTM Level 3 Surgical Mask, Made in Canada

Canadian-made ASTM Level 3 masks for medical use. Made with two layers of non-woven spun-bound fabric plus middle layer melt-blown @ 99% particulate ...

#96. ASTM (Level 3) - Adult Size - Medical Mask

ASTM (Level 3) - Adult Size - American leading mask supplier in compliance with ASTM standards - Filtration Efficiency Test is done by Nelson Lab or other ...

#97. 新型肺炎来袭，口罩该如何选择？ - 知乎专栏

具体防护级别没查到，但是核心数据为BFE和血透。国内标准根据ASTM标准对应，level 1为一次性医用口罩，level 2-3为医用外科口罩。根据钟南山教授所言， ...