190005 石棉灰泥
190048 耐火黏土
190048 熟耐火黏土
190056 防火水泥涂层
190242 非金属耐火建筑材料
C190015 耐火砂
C190016 耐火纤维
C190017 硅酸铝耐火纤维
C190018 耐火砖、瓦
C190019 陶瓷纤维棉、毡
C190020 矽砂
C190021 矽砂火泥
C190023 镁泥
C190024 炉用耐火材料（电炉瓷盘）
