タイトルまたは説明

Refractory plastic is an important variety of irregular refractory materials. In the jargon of refractory material industry: refractory plastic is a kind of refractory material which is made of refractory aggregate and powder, raw clay and chemical compound and admixture, mixed by preparation, extruded into bricks and still has good plasticity after packing and storage for a certain time, and can be constructed by pounding method.