RectorSeal 136 10.3 .oz

RectorSeal 136 10.3 oz Fireblock Caulk The RectorSeal 136 is a one-component, incombustible fire-block and draft stop caulk designed for interior use in electrical, plumbing, and communication system penetrations. It serves as a fireblock and smoke seal, suitable for sealing large openings, PVC/CPVC pipes (closed only), plastic pipes, EMT, semi-rigid and rigid conduit, steel, copper, and aluminum pipes, as well as telephone, power, and Romex cables. This product is particularly useful for electrical distributors and lighting solutions suppliers requiring reliable fire and smoke sealing in wire and cable installations or switchgear applications. It is water soluble, non-elastomeric, and free of asbestos fillers, with no volatile solvents, making it suitable for use in confined or occupied spaces. Specifications Product Weight: 15 lbs Color: Red Application Size: 10.3 oz (304 ml) caulking tubes Cure Time: 21 days Density: 15.3 lbs/gal (1.83 kg/L) STC Rating: 52 (tested in UL 411 wall assembly per ASTM E90) Boiling Point: 212°F (100°C) at 760 mmHg Vapor Pressure: 17 mmHg at 68°F (20°C) Volatile Organic Compounds (VOC) Content: 0% (0 g/L) Flash Point: None Solubility: Soluble in water Features Single-component system requiring no mixing or additives Non-combustible and meets ASTM E-136 fireblock standards Free of asbestos fillers and volatile solvents Applied with a conventional caulking gun Water cleanup capability for easy installation Suitable for vertical and horizontal applications, bedding, and sealing small voids, splices, and gaps Not regulated by DOT for transportation Not suitable for continuous vibration environments or exterior/wet area use Store between 35°F and 100°F for optimal shelf life of 2 years Downloads & Links Safety Data Sheet Spec Sheet