NSF Product and Service Listings
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NSF/ANSI/CAN 61
Drinking Water System Components - Health Effects
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. Products certified to NSF/ANSI/CAN 61 comply with the health effects criteria in NSF/ANSI/CAN 600.
| Hwaseung Chem | ![]() |
| 46-35, Sumogwon-ro | |
| Osan-si, Gyeonggi-do | |
| 18126 | |
| Republic of Korea | |
| 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 |
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| EWK370(EWK270) | [1] [3] | C. HOT | EPDM | |
| NWK970 | [2] [4] | C. HOT | NBR | |
[1] Certified for a maximum surface area to volume ratio of 7.0 square inches/L.
[2] Certified for a maximum surface area to volume ratio of 0.5 square inches/L.
[3] This product has also been evaluated for use in Mechanical Plumbing Device applications
with a maximum use restriction of 3.5 square inches per liter.
[4] This product has also been evaluated for use in Mechanical Plumbing Device applications
with a maximum use surface are to volume ratio of 0.5 square inches/L
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