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Nelson Firestop LBS3™ Latex Sealant
Ideally Suited for Non-Combustible PVC, PEX, CPVC, & ABS in Floors and Walls
Nelson Firestop LBS3™ Latex Sealant
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What's special about this fire sealant?
Nelson Firestop Sealant (LBS3™) is ideally suited for for firestopping through-penetrationsof non-combustible pipe, insulated pipe and combustible pipe (such as PVC, PEX, CPVC and ABS) in floors or walls. It can applied using a standard caulk gun, bulk loader, or trowel. If you are working with a large area, it can be pumped directly from the pail. |
To apply, begin on the edge of the opening and ensure that the sealant makes complete contact with the inside surface of the opening, as well as the surface of the penetrating item(s).
- No-sag (thixotropic), halogen-free formula won’t drip even when applied overhead, and is safe to work with
- Because it is water based, it is easy to clean and there are no special handling or disposal requirements
- Endothermic quality allows the sealant to absorb heat and release chemically-bound water
- Able to withstand extremely cold temperatures and thaw without expanding or contracting
- Acoustically tested to reduce noise transmission
- One year manufacturer warranty
Applications
Use to seal construction openings, blank openings and penetrating items against the passage of flame, noxious gas, smoke and water. Restores fire rated construction to its original integrity.
Comparable Products:
3M™ CP 25WB+ Caulk
Hilti FS One
| Chemical Name / Class | Polyvinyl Acetate and Acrylic Latex Based Emulsion |
|---|---|
| Product Use | Elastomeric Intumescent Firestop Sealant |
| Color | Red |
| Odor | Mild Latex Odor |
| Cure Time | Approx 2 hour |
| Full Cure | 3 to 4 weeks |
| Asbestos Filler | None |
| Solvents | None |
| Density | 10.0 lbs / gallon |
| VOC Content | 10.86 g/l |
| Application Temperature | 40° to 90° F (4° to 32° C) |
| Activation Temperature | Exp. begins @ 250° |
| STC Rating | 52 |
| Test Compliance | |
| Standards | ASTM E84 and UL 723 |
| Flame Spread | 0 |
| Smoke Developed | 5 |
| Test Methods | ASTM E90; ASTM E814 & UL 1479; ASTM E1966 & UL 2079; ASTM C719 |
| Storage | between 40° to 90° F (4° to 32° C); protect from freezing |
| Shelf Life | 1 year from date of shipment |
| Relative Vapor Density (air = 1) | >1 |
| Evaporation Rate (n-BuAc = 1) | 1 |
| Specific Gravity (water = 1) | Not available |
| Viscosity | Unknown |
| Solubility in Water | Appreciable |
| Boiling Point | >100° C (212° F) |
| Vapor Pressure, mm Hg @ 20° C | Unknown |
| pH | n/a |
| Bulk Density (lbs / Cubic Foot) | n/a |
| % Volatiles (gr/L) | (70° F / 21° C) 10.86 g/l 10 |
| Stability | Stable |
| Decomposition Products | Carbon dioxide, Carbon monoxide, Low molecular weight hydrocarbons, Aldehydes |
| Hazardous Polymerization | Will not occur |
| Conditions to Avoid | Strong oxidizers, strong acids |
Composition & Information on Ingredients
| Ingredient | CAS # | Percent (Max) |
|---|---|---|
| 2-Porpenoic acid, polymer | 052640-81-0 | 10-20 |
| Dipentaerythritol | 00126-58-9 | 1-5 |
| Graphite | 007782-42-5 | 1-5 |
| Melamine | 00108-78-1 | 1-5 |
| Methenamine | 000100-97-0 | < 1 |
| Phenol, isopropylated, phosphate (3:1) | 068937-41-7 | 5-10 |
| Phenol-formaldehyde polymer | 009003-35-4 | 1-5 |
| Polyvinyl Acetate Emulsion | NJ801415075P | 10-20 |
| Pseudocumene | 000095-63-6 | < 1 |
| Silicic acid, sodium salt | 001344-09-8 | 5-10 |
| Talc | 014807-96-6 | 1-5 |
| Triphenyl phosphate | 000115-86-6 | 1-5 |
| Zinc borate | 001332-07-6 | 1-5 |
| PART # | DESCRIPTION | VOLUME | PRICE |
| NFS-AA892 | Nelson Firestop LBS3™ Latex Sealant 10.3 oz Tube | 18.5 in3 (304 ml) | |
| NFS-AA893 | Nelson Firestop LBS3™ Latex Sealant 20.2 oz Foil Pack | 36.45 in3 (597 ml) | |
| NFS-AA894 | Nelson Firestop LBS3™ Latex Sealant 30 oz Tube | 54 in3 (883 ml) | |
| NFS-AA895 | Nelson Firestop LBS3™ Latex Sealant 5 Gallon Bucket | 1155 in3 (19.0 L) |
MANUALS -
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