3M™ Fire Barrier Water Tight Sealant 1000 NS
3M Fire Barrier Water Tight Sealant 1000 NS is used to firestop openings and penetrations through fire rated floor slabs, walls, other building partitions and assemblies.
3M Fire Barrier Water Tight Sealants, when properly installed, will help control the spread of fire, smoke and noxious gases. 3M Fire Barrier Water Tight Sealant 1000 NS also meet the new UL Water Leakage Test, W Rating – Class 1 requirements for systems tested and listed in accordance with ANSI/UL 1479.
Typical Physical Properties
| MIL-S-8802 Flow, Sag or Slump | Nil |
| Consistency | Non slump paste |
| Working Time, Minutes | 5-10 |
| color | Light Gray |
| Full Cure and Adhesion at 77° F (25°C) Days | 14-21 |
| Hardness, ASTM C 661, Shore A | 20-25 |
| Elongation (per cent) at Break, ASTM D412 | 600% |
| Dielectric Strength, ASTM D 149 | 479 V/mil (19.0kV/mm) |
| UPITT Combustion Toxicity (LC50) | 33 grams |
| Service Temperature Range, ASTM C 1299 | -51°C to 149° C |
