Lightweight Insulation Bricks - P-D Refractories GmbH
Lightweight Insulation Bricks. Basic raw materials for insulating and lightweight refractory bricks with an overall porosity of > 45 % are porous materials, such as diatomite, vermiculite, hollow sphere corundum or -ash with different alumina contents, as well as volatile, flammable or foam-forming additives and burning substances.
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