PYROSEAL™ is a non-asbestos furnace and retort cement. It is smooth, creamy, easy spreading and sticks where you put it. PYROSEAL™ exhibits superior performance in bonding, controlled expansion and contraction to avoid shrinking and cracking. It is easy to apply even in low, below freezing temperatures.
RectorSeal® Pyroseal™ Furnace and Retort Cement, 12 lb, Composition: Sodium Silicate, Calcium Magnesium Silicate, 1.33 cu-ft Coverage, Gray, 1.43 Specific Gravity