NSF Product and Service Listings

These NSF Official Listings are current as of Friday, January 30, 2026 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

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White Book™ - Nonfood Compounds Listing Directory
NSF-Registered
Proprietary Substances and Nonfood Compounds
Westlake Corporation DBA Westlake Chemicals & Vinyls LLC  
  Accu-Tab™ SI Calcium Hypochlorite Tablets 118098 3D, D2, G4, G5, G7, Q4  
  Induclor 70® Dry Chlorinating Granules 121330 B1, D2, G5, G7, Q4  
  Induclor® Calcium Hypochlorite Granules 150936 B1, D2, G5, G7, Q4  
  Indutabs® Induclor® Calcium Hypochlorite Tablets 150937 D2, G4, G5, G7, Q4, 3D  
  LIQUID CAUSTIC SODA, 50% 072953 3B, 3C, A2, G6, L1  
  Liquid Caustic Soda, 25% 124863 3B, 3C, A2, G6, L1  
  PELS® CAUSTIC SODA BEADS 072965 3B, 3C, A2, G6  
  ZAPPIT™ 73 Dry Chlorinating Granules 072967 D2, G4, G5, G7, Q4  
Number of matching Manufacturers is 1
Number of matching Products is 8
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