近年来我国耐火纤维材料不断发展,现已有生产厂近100家,年产各类耐火纤维达5000吨。但大部为地方及乡镇企业,成纤和制品工艺还十分落后,不但产品质量低劣,而且品种单一,粘结剂浪费大,制品使用温度低(1200℃以下)。近两年来,三门峡电器研究所采用国外真空成型工艺,制成了使用温度在850— In recent years, China’s refractory fiber materials have been continuously developed. There are nearly 100 production plants and annual output of 5,000 tons of various types of fire-resistant fibers. However, most of them are local and township enterprises, and the fiber and product technology is still very backward. Not only the product quality is poor, but also the variety is single, the adhesive waste is large, and the product use temperature is low (below 1200° C.). In the past two years, the Sanmenxia Electric Research Institute has adopted a foreign vacuum forming process and made a working temperature of 850—