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.
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NSF-Registered Proprietary Substances and Nonfood Compounds |
| Saint-Gobain Joinleader (Hangzhou) New Materials Co., Ltd. | ||||
| Saint-Gobain Tekbond TEK638 | 166497 | S6 | ||
| Silicone Sealant (red) | 159450 | S2 | ||
| Silicone Sealant(black) | 159448 | S2 | ||
| Silicone sealant(transparent) | 159449 | S2 | ||
| Silicone Sealant(white) | 159451 | S2 | ||
| Number of matching Manufacturers is 1 |
| Number of matching Products is 5 |
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