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TWENTY TWENTY

TWENTY TWENTY

Disposable Medical Face Mask 3Ply with Earloop

Filtration

Protection

Comfort

Standards of TWENTY TWENTY Face Mask

​口罩標準(Application Pending)

EN14683:2019 Type II

BFE ≥98% @3.0μm

Delta P ﹤40Pa/cm²

Microbial Cleanliness ≤30cfu/g

EN14683:2019 Type IIR

BFE ≥98% @3.0μm

Delta P ﹤60Pa/cm²

Microbial Cleanliness ≤30cfu/g

ASTM F2100-19 Level 2

VFE ≥98% @3.0μm

BFE ≥98% @3.0μm

PFE  ≥98% @0.1μm

Delta P ﹤6.0mm H₂O/cm2

Synthetic Blood Resistance ≥120mmHg

ASTM F2100-19 Level 3

VFE ≥98% @3.0μm

BFE ≥98% @3.0μm

PFE  ≥98% @0.1μm

Delta P ﹤6.0mm H₂O/cm2

Synthetic Blood Resistance ≥160mmHg

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ASTM

是美國材料和試驗協會, ASTM F2100-19 是口罩所用材料性能標準規範。口罩所用材料可分類為 1 ,2 和3 級。1級適合用於少量液體, 液體噴霧或霧化液體。2 和 3 級 分別為適量和大量液體, 主要區別是防濺。

EN14683

是歐洲標準為口罩要求和測試方法。分別為I, II和 IIR型。
I 型和 II 型主要區別為BFE,II 型和 IIR 型區別防濺和透氣性。

Our Operation

​工廠運作

Copyright@Richfield Dynamic Technology Limited

Copyright@Richfield Dynamic Technology Limited

Copyright@Richfield Dynamic Technology Limited

Our Factory

TWENTY TWENTY Clean Room

Face Mask Testing

TWENTY TWENTY
Disposable Medical Face Mask

Melt-blown Testing

Let's Connect

Sales Enquiry: +852 5543 8775(Whatspp Only)

Email: info@richfield.hk

Tel: +852 3427 8900

Richfield Dynamic Technology Limited

24B,24/F, Excelsior Building, 68-76 Sha Tsui Road, Tsuen Wan, NT. Hong Kong

Copyright@Richfield Dynamic Technology Limited

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