ZIRCAR Refractory Composites, Inc. offers a wide range of insulatingrefractory papers.
ZIRCAR耐火复合材料公司推出了一系列绝缘耐火纸。
2
Refractory fibre product is a kind of insulatingrefractory. It is not fully utilized at home recently.
耐火纤维制品作为隔热耐火材料的一种，目前在国内还未得到充分的利用。
3
Alumina hollow ball is the hollow spherical light insulatingrefractory made from alumina blown out of electric furnace through high temperature melting procedure.