国产精品毛片一区二区三区I日本xxxxxxxxx69Iav网站多少I最新中文avI91欧美精品I国产1区2区I久草综合在线视频I1000部avI人人性人人性碰国产I欧美国产免费I精品福利电影I天天干天天干天天I欧美成人二区I91素人约啪I毛片在线免费观看网址I99午夜I国产乱人伦精品一区二区I激情网五月I久久无码性爱视频I亚洲国产精品久I亚洲制服avI免费看的一级片I日韩免费黄色I欧美性猛交 xxxxI黄色片免费在线播放

Fused quartz sand

產(chǎn)品描述

Fused quartz sand:

With fused quartz blocks produced by our company as raw materials, according to different uses, fused quartz sands of various specifications are produced through classification, impurity removal, crushing and shaping, screening and magnetic separation. The product has very low thermal conductivity and excellent thermal stability, and the particle size distribution is stable. Mainly used as raw materials for crucible, technical ceramics, advanced refractory, precision casting and other industries.

Main uses:

Quartz crucible raw material

Casting material

Raw materials for refractory, ceramic and glass industries

Chemical composition:

SiO2

> 99.9%

TiO2

< 50ppm

Fe2O3

< 0.01%

MgO

< 50ppm

Al2O3

< 200ppm

CaO

< 50ppm

Na2O

< 50ppm

K2O

< 50ppm

EC

0.9μs/cm

??

  Physical properties:
  Appearance: Colorless transparent lump, granular or white powder
  True weight: 2.21
  Mohr hardness: 7.0
  PH: 6

主站蜘蛛池模板: 依兰县| 松原市| 崇文区| 图们市| 邓州市| 高雄县| 沁阳市| 永丰县| 孝义市| 禹城市| 关岭| 博乐市| 双柏县| 普格县| 大冶市| 乃东县| 沁阳市| 银川市| 彰武县| 克拉玛依市| 丘北县| 盐城市| 赤壁市| 新干县| 开封县| 莱芜市| 静安区| 揭阳市| 永德县| 封开县| 衡东县| 石林| 南丹县| 陈巴尔虎旗| 章丘市| 嘉义县| 秀山| 深州市| 北安市| 分宜县| 宁乡县|