High Strength and Wear-Resistant Plastic with Good Plasticity¹

Product Description Product IntroductionRefractory plastics are made from refractory aggregates and powders, raw clay, chemical composite binders, and additives. They are formulated, mixed, extruded into brick like shapes, packaged and stored for a certain period of time, and still have good plasticity. They can be constructed using tamping methods. According to the type of refractory aggregate, it can be divided into clay, high alumina, mullite, corundum, chromium, silicon carbide, and zirconium containing refractory plastics. Plastic has good heat and shock resistance, is easy to construct, and is suitable for various heating furnaces, homogenization furnaces, annealing furnaces, hot air furnaces, etc. It can also be used for the furnace cover of small electric arc furnaces, the burner of high-temperature furnaces, and other parts.The plastic produced by our company has high plasticity, and even after long-term storage, it still has a certain degree of plasticity.Compared with sintered refractory products of the same material and other amorphous refractory materials, plastic refractory materials have better thermal shock resistance, mainly due to the following reasons: plastic materials made of alumina silicate refractory raw materials as granular and powdery materials will not undergo severe deformation due to crystal transformation during heating or use at high temperatures; The mineral composition near the heating surface is fine crystals of mullite and quartzite, with few glass bodies, transitioning along the heating surface to the low-temperature side. The structure and phase of the plastic are gradually changing rather than undergoing abrupt changes; Plastic has a uniform porous structure, and its coefficient of expansion and elastic modulus are generally low.

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