Refractory plastics for circulating fluidized bed boilers YB/T4132-2005 People's Republic of China ferrous metallurgical industry standards This standard specifies the definition, classification, technical requirements, test methods, quality assessment procedures, packaging, marking, transportation of wear-resistant refractory plastics , storage and quality certificate. This standard applies to wear-resistant refractory plastics for circulating fluidized bed boilers.
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