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The Hercules 35503 is a 0.5 pt regular set hydraulic cement designed for sealing and repairing various furnace and refractory applications. This product meets OSHA's standard for crystalline silica content, ensuring safety in use. It creates a strong, fireproof seal suitable for use with oil, gas, coal, and wood-burning systems.
This hydraulic cement is formulated to apply smoothly and cures to form a durable, non-porous barrier that will not crack, shrink, or crumble.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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