🧪 6LB EXPANDING POUR FOAM – 1 GALLON KIT 🧪. ✔ 6LB Density polyurethane flotation foam. ⚠️ 6LB foam does NOT expand much from liquid state. ✔ 1 Gallon Kit (1/2 gallon Part A + 1/2 gallon Part B). High-performance 6LB density closed-cell polyurethane pour foam designed for marine flotation, insulation, soundproofing, and structural filling.
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