超碰97人人做人人爱少妇-国产午夜精品av一区二区麻豆-在线点播亚洲日韩国产欧美-国产精品国产三级国产av主播

ZrO2

氧化鋯1.jpg


氧化鋯2.jpg


氧化鋯3.jpg


氧化鋯4.png  


Introduction

Purity:99.95%

Shape:granule,ball
Appearance:Light yellow, brown yellow
Melting   Point:2700℃
Density:   5.89g/cm3


Scan and pay attention to the public number