亚洲国产精品无码一线岛国av_亚洲αv无码久久精品蜜桃_亚洲人妻黄色电影院_欧美亚洲日本制服丝袜_尤物视频亚洲视频_精品午夜福利在线视频_水环真空泵机组_久久美女福利视频_日韩精品亚洲麻豆一区二区_亚洲中文字幕国产欧美

產(chǎn)品致密性好，純度高，剛玉相大于９９％，對(duì)玻璃液具有很好的抗侵蝕性，主要用于玻璃窯爐高溫部位和玻璃液侵蝕嚴(yán)重的部位。用于日用玻璃窯爐的供料道，可以防止玻璃制品中條紋、結(jié)石以及氣泡的產(chǎn)生，提高產(chǎn)品內(nèi)在質(zhì)量和產(chǎn)品合格率。

The product has good compactness, high purity, the corundum is more than 99%0,and has good corrosion resistance to the glass liquid. It is mainly used in the high temperature parts of glass kiln and the serious site of glass liquid erosion. The feed channel used in the daily use glass kiln can prevent the production of stripes, stones and bubbles in the glass products, and improve the internal quality of the products and the rate of product qualification.