NSF Product and Service Listings

These NSF Official Listings are current as of Thursday, January 15, 2026 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/Plumbing/Listings.asp?Company=1T230&Standard=014&

Did you know?

The new NSF Product Listings website is available for NSF/ANSI 14-Certified products with a new look and feel. Click on "Try it Now" to check it out!

NSF/ANSI 14
Plastics Piping System Components and Related Materials


Click here for a list of End Use Code Designations.

Click on Product Standards or footnote in blue to view the referenced document



 
Westlake Corporation 
2801 Post Oak Boulevard
Suite 600 
Houston, TX 77056 
United States 
270-395-3331
Visit this company's website

Facility : Calvert City, KY

Ingredient Suppliers

Product Type Trade Name Max Use Level (phr)
PVC Resin+ [1] [2] 1230 100 phr
PVC Resin+ [1] [2] 1230P 100 phr
PVC Resin+ [1] [2] 1230P_K 100 phr
PVC Resin+ [1] [2] 1230S_K 100 phr

+ Material complies with NSF/ANSI/CAN 61 health effects requirements when tested at 73° F.
[1] Certified to NSF/ANSI 14 and also approved in Table 1 of the PPI PVC Range Composition. 
    Approved for a use range of 100 phr.
[2] Use of this ingredient in NSF Certified products requires prior authorization from NSF,
    unless user is an authorized holder of the PPI PVC Range Composition.


Facility : Geismar, LA

Ingredient Suppliers

Product Type Trade Name Max Use Level (phr)
PVC Resin+ [1] [2] 1230 100 phr
PVC Resin+ [1] [2] 1230P 100 phr
PVC Resin+ [1] [2] 1230P_K 100 phr
PVC Resin+ [1] [2] 1230S_K 100 phr

+ Material complies with NSF/ANSI/CAN 61 health effects requirements when tested at 73° F.
[1] Certified to NSF/ANSI 14 and also approved in Table 1 of the PPI PVC Range Composition. 
    Approved for a use range of 100 phr.
[2] Use of this ingredient in NSF Certified products requires prior authorization from NSF,
    unless user is an authorized holder of the PPI PVC Range Composition.


Facility : Plaquemine, LA

Ingredient Suppliers

Product Type Trade Name Max Use Level (phr)
PVC Resin+ [1] [2] Westlake 1091 100 phr
PVC Resin+ [1] [2] 1091 100 phr
PVC Resin+ [1] [2] 1091 PVC S Resin 100 phr
PVC Resin+ [1] [2] Axiall 1091 100 phr

+ Material complies with NSF/ANSI/CAN 61 health effects requirements when tested at 73° F.
[1] Certified to NSF/ANSI 14 and also approved in Table 1 of the PPI PVC Range Composition. 
    Approved for a use range of 100 phr.
[2] Use of this ingredient in NSF Certified products requires prior authorization from NSF,
    unless user is an authorized holder of the PPI PVC Range Composition.


Facility : Aberdeen, MS

Ingredient Suppliers

Product Type Trade Name Max Use Level (phr)
PVC Resin+ [1] [2] 5385 100 phr

+ Material complies with NSF/ANSI/CAN 61 health effects requirements when tested at 73° F.
[1] Certified to NSF/ANSI 14 and also approved in Table 1 of the PPI PVC Range Composition. 
    Approved for a use range of 100 phr.
[2] Use of this ingredient in NSF Certified products requires prior authorization from NSF,
    unless user is an authorized holder of the PPI PVC Range Composition.


Number of matching Manufacturers is 1
Number of matching Products is 13
Processing time was 0 seconds