NSF Product and Service Listings

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NSF/ANSI/CAN 61
Drinking Water System Components - Health Effects

NOTE: Unless otherwise indicated for Materials, Certification is only for the Water Contact Material shown in the Listing. Click here for a list of Abbreviations used in these Listings. Click here for the definitions of Water Contact Temperatures denoted in these Listings.


 
Hwaseung Chem 
46-35, Sumogwon-ro
Osan-si, Gyeonggi-do 
18126 
Korea, Republic of 
82 31 668 0641
Visit this company's website


Facility : Gyeonggi-do, Republic of Korea

Joining and Sealing Materials

    Water Water
    Contact Contact
Trade Designation Size Temp Material

Gasket/Sealing Materials
EWK370 [1] C. HOT EPDM

[1] Certified for a maximum surface area to volume ratio of 7.0 square inches/L.

O-Rings
EWK370 [1] C. HOT EPDM

[1] Certified for a maximum surface area to volume ratio of 7.0 square inches/L.


Mechanical Plumbing Devices

Trade Designation      

Gasket/Sealing Materials
EWK270[1] [2]      
NWK970[3] [4]      

[1] Certified for a maximum surface area to volume ratio of 2.0 sq. in./L.
[2] Material type - EPDM
[3] Certified for a maximum surface area to volume ratio of 0.5 sq. in./L.
[4] Material type - NBR

O-Rings
EWK270[1] [2]      
NWK970[3] [4]      

[1] Certified for a maximum surface area to volume ratio of 2.0 sq. in./L.
[2] Material type - EPDM
[3] Certified for a maximum surface area to volume ratio of 0.5 sq. in./L.
[4] Material type - NBR


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