农村老熟妇乱子伦视频,男男触手play到娇喘产卵憋尿,怡红院a∨人人爰人人爽,69久久国产露脸精品国产

聯(lián)系我們
英文

High temperature low sodium alumina

  • Product name : High temperature low sodium alumina
  • Product Categories : High temperature low sodium alumina
  • Company name : Shandong Shibang Chemical Technology Co., Ltd.
Details

High temperature low sodium alumina:

1. The specification of alumina polishing powder is white crystalline powder, composed of a alumina, through special processing to obtain good particle size distribution and hardness to meet the needs of various polishing purposes.

2. The product has uniform particle size, high hardness, strong grinding force, fast polishing, high efficiency and bright brightness.

3. The particle size distribution range is narrow, the grinding efficiency is high, the polishing effect is good, the grinding efficiency is much higher than that of soft abrasives such as silica, the surface finish is better than the polishing effect of white corundum, the cutting force is strong, the light is fast, and it can be thrown evenly And bright Xingze.


The main purpose:

1. Applicable to vibration polishing (machine polishing, rolling polishing), manual polishing (grinding polishing), etc. of artificial gemstones, zircon, glass, natural gemstones, jade, jade, agate, etc.

2. Widely used in grinding and polishing of aluminum, copper, stainless steel, stone, glass, wall and floor tiles, etc.

3. It can also be used for polishing strip, polishing slurry, paint surface, acrylic, stainless steel mirror, non-ferrous metal, jade, marble, granite, crystal, optical glass surface polishing.

4. It is used in the manufacture of artificial abrasives and artificial abrasives.


Product parameters:



Update time :22/03/08 11:48:03   【print 】   【close【return to previous page 】
2018午夜福利| 香蕉久久人人爽人人爽人人片av| 性一交一乱一色一视频| 欧美 丝袜 自拍 制服 另类| 无码福利一区二区三区| 香蕉久久夜色精品升级完成| 小受叫床高潮娇喘嗯啊mp3| 亚洲综合无码一区二区三区不卡| 巨大巨粗巨长 黑人长吊| 成人性爱视频在线观看| 久久久av男人的天堂| 糖心VLOG肉丝库水柚子猫| 丁香婷婷色五月激情综合深爱| bgmbgmbgm毛多多视频| 国内大量揄拍少妇视频| 中华姓氏起源一览图| 日韩精品一区二区三区中文| 国产成人无码18禁午夜福利p| 国产精品宾馆在线精品酒店| 老头把舌头伸进粉嫩淑芬| 国产精品美女午夜爽爽爽免费| 紫川动漫在线观看免费完整版| 一区二区乱子伦在线播放| 丰满少妇三级全黄| 在无限游戏里花式挨ch| 精品少妇爆乳无码av无码专区| 好紧好爽再浪一点荡货h| 男女作爱免费网站| 久久免费看黄a级毛片| 中文乱幕日产无线码| 麻豆婷婷狠狠色18禁久久| 成熟交bgmbgmbgm在线| 丰满学生被猛烈进入播放| 老头天天吃我奶躁我的动图| 体育生受整晚含着攻不放| 一区二区三区中文字幕| 女局长白白嫩嫩大屁股| 性一交一乱一伦a片| 亚洲人成人网站色WWW| 粗大的内捧猛烈进出爽大牛汉子文| 加勒比hezyo黑人专区|