NSF Product and Service Listings

These NSF Official Listings are current as of Monday, November 17, 2025 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

Alert: NSF is concerned about fraudulent downloading and manipulation of website text. Always confirm this information by clicking on the below link for the most accurate information: http://info.nsf.org/Certified/PwsComponents/Listings.asp?Company=0E880&Standard=061&


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. Products certified to NSF/ANSI/CAN 61 comply with the health effects criteria in NSF/ANSI/CAN 600.

 
Chugoku Marine Paints, Ltd. 
1-7, Meijishinkai
Ohtake, Hiroshima, 739-0652 
Japan 
81 8275 7 8509


Facility : Kanzakigun, Sagaken, Japan

Protective (Barrier) Materials

    Water Water
  Water Contact Contact Contact
Trade Designation Size Restriction Temp Material

Coatings - Tank
CLEANKEEP 5500 Coating System[1] >= 1500 gal. CLD 23 EPOXY
CLEANKEEP 5500 Cream[1] >= 1500 gal. CLD 23 EPOXY
CLEANKEEP 5500 Light Gray[1] >= 1500 gal. CLD 23 EPOXY 

[1] Colors: Cream, light gray
    Number of Coats: 1-2
    Sequence of Coats: Any
    Maximum Field Use Dry Film Thickness (in mils): 20
    Maximum Thinner: None
    Recoat Cure Time and Temperature: 32 hours at 20°C
    Final Cure Time and Temperature: 10 days at 25°C
    Special Comments: Mix ratio of Part A (base):Part B (hardener) is 88:12 by weight or
    81:19 by volume. After curing, coating requires immersion in fresh water for 5 days;
    fresh water is then drained. This is repeated for a total of 3 cycles before the coating
    is placed into service.  Induction period is 10 minutes.

Coatings - Valve
CLEANKEEP 5500 Coating System[1] >= 4" CLD 23 EPOXY
CLEANKEEP 5500 Cream[1] >= 4" CLD 23 EPOXY
CLEANKEEP 5500 Light Gray[1] >= 4" CLD 23 EPOXY 

[1] Colors: Cream, light gray
    Number of Coats: 1-2
    Sequence of Coats: Any
    Maximum Field Use Dry Film Thickness (in mils): 20
    Maximum Thinner: None
    Recoat Cure Time and Temperature: 32 hours at 20°C
    Final Cure Time and Temperature: 10 days at 25°C
    Special Comments: Mix ratio of Part A (base):Part B (hardener) is 88:12 by weight or
    81:19 by volume. After curing, coating requires immersion in fresh water for 5 days;
    fresh water is then drained. This is repeated for a total of 3 cycles before the coating
    is placed into service.  Induction period is 10 minutes.

Coatings - Pipe
CLEANKEEP 5500 Coating System[1] >= 36" CLD 23 EPOXY
CLEANKEEP 5500 Cream[1] >= 36" CLD 23 EPOXY
CLEANKEEP 5500 Light Gray[1] >= 36" CLD 23 EPOXY 

[1] Colors: Cream, light gray
    Number of Coats: 1-2
    Sequence of Coats: Any
    Maximum Field Use Dry Film Thickness (in mils): 20
    Maximum Thinner: None
    Recoat Cure Time and Temperature: 32 hours at 20°C
    Final Cure Time and Temperature: 10 days at 25°C
    Special Comments: Mix ratio of Part A (base):Part B (hardener) is 88:12 by weight or
    81:19 by volume. After curing, coating requires immersion in fresh water for 5 days;
    fresh water is then drained. This is repeated for a total of 3 cycles before the coating
    is placed into service.  Induction period is 10 minutes.

Coatings - Fittings
CLEANKEEP 5500 Coating System[1] >= 3" CLD 23 EPOXY
CLEANKEEP 5500 Cream[1] >= 3" CLD 23 EPOXY
CLEANKEEP 5500 Light Gray[1] >= 3" CLD 23 EPOXY 

[1] Colors: Cream, light gray
    Number of Coats: 1-2
    Sequence of Coats: Any
    Maximum Field Use Dry Film Thickness (in mils): 20
    Maximum Thinner: None
    Recoat Cure Time and Temperature: 32 hours at 20°C
    Final Cure Time and Temperature: 10 days at 25°C
    Special Comments: Mix ratio of Part A (base):Part B (hardener) is 88:12 by weight or
    81:19 by volume. After curing, coating requires immersion in fresh water for 5 days;
    fresh water is then drained. This is repeated for a total of 3 cycles before the coating
    is placed into service.  Induction period is 10 minutes.

Number of matching Manufacturers is 1
Number of matching Products is 12
Processing time was 0 seconds