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.
| Polytek Development Corp | |
| 55 Hilton Street | |
| Easton, PA 18043 | |
| United States | |
| 800-858-5990 | |
| 610-559-820 | |
| Visit this company's website |
Facility : South Saint Paul, MN
Joining and Sealing Materials
| Water | Water | |||
| Contact | Contact | |||
| Trade Designation | Size | Temp | Material | |
|
Adhesives |
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| CPD 4501A Curative and CPD 4501B Prepolymer[1] [2] | [3] | D. HOT | ADH | |
[1] Mix ratio is 100:62.5 (A:B) by weight. [2] Minimum cure time is 24 hours at 77°F. [3] Certified for a maximum surface area to volume ratio of 7.26 sq. in./L. |
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Mechanical Devices
| Water | Water | |||
| Contact | Contact | |||
| Trade Designation | Size | Temp | Material | |
|
Miscellaneous Process Devices/Components |
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| CPD 4358A Resin and CPD 4358B Hardener[1] | [2] | CLD 23 | EPOXY | |
| CPD 4358A Resin and CPD 4359B Hardener[3] | [2] | CLD 23 | EPOXY | |
[1] Number of coats: 1
Final cure time/temperature: 24 hours at 77°F.
Special comments: Mix ratio is 100:45 A:B by weight, or 2:1 A:B by volume. Post cure at
77°F for 24 hours.
[2] Certified for use as a filament winding resin for outerwrap of reverse osmosis filter
elements 8” x 40” in size with a minimum daily flow of 1,325 liters per day.
[3] Number of coats: 1
Final cure time/temperature: 24 hours at 77°F.
Special comments: Mix ratio is 100:50 A:B by weight, or 100:56 A:B by volume. Post cure
at 77°F for 24 hours.
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