日产久久视频,欧美性猛交xxxx乱大交蜜桃,国产精品视频一区二区三区四蜜臂 ,干少妇浪潮AV

此頁(yè)面上的內(nèi)容需要較新版本的 Adobe Flash Player。

獲取 Adobe Flash Player

Product
Refractory Ceramic Balls
 

[ Products Description ] 
Refractory ball produced by our company has good heat resistance, up to 1900°C, high mechanical strength, chemical stability, long life and other characteristics, mainly for methanol and fertilizer plants in high and low temperature changes in furnace, conversion furnace, hydrogenation converter, desulfurization tank and methanation furnace, gas-liquid dispersion effect, supporting coverage of boxes to protect a catalyst.

[ Technical Specification ]
Item/Type Mullite Mullite-Corundum Corundum
Chemical Composition % Al2O3 30-90 90-98 ≥99
SiO2 10-70 0.5-5.0 ≤0.3
Fe2O3 ≤3 ≤0.5 ≤0.1
Refractoriness, °C ≥1450 ≥1750 ≥1850
Thermal Resistance, °C 600 800 1000
Crushing strength, N 100-20000依品種和規(guī)格而異 Different upon types and sizes
Mohs' hardness, scal ≥7 ≥8 ≥9
Acid resistance, % ≥95 ≥98 ≥98
Alkali resistance, % ≥85 ≥95 ≥98
Bulk Density, kg/m3 1200-1600 1800-2000 2000-2200
Note: The data of bulk density is given for reference only, not as the acceptance criterion.
Add: Xiangdong Ceramic Industrial Park, Pingxiang City, Jiangxi Province  Chairman: Xv Huaisheng +86-13907993138 General manager:Zhang Mingli +86-13907999263
Tel: +86-799-3411918  Fax: +86-799-3412668  E-mail: pcp@sino-packing.com  P.C.: 337022  
Pingxiang Petrochemical Packing Co., Ltd. Copyright(C)2015 Supported by?ChemNet?ChinaChemNet?Toocle

男女午夜猛烈啪啦啦视频| 无码毛片免费看| 永久免费毛片手机版在线看| 亚洲无码77777| 亚洲无码网站在线免费播放| 国产av黄色| 黑人大荫蒂老太大| 国产高清无码在线影院| 久久精品中文字幕大胸| 久久久久久久久久久久久久动漫| s级爆乳玩具酱国产vip皮裤| 一本色道久久综合亚洲精品无码| chinese老熟女| 精品人妻少妇嫩草AV自慰| 精品国产乱码久久久久久久小说| 中文字幕xxxxx| 原创色欲AV| gogo熟女少妇大尺度| 一出一进一爽一粗一大视频免费的,录视频 | 俺也去俺也电影网在线观看| 亚洲无码一区二区三区在线播放 | 国产丶欧美丶日本不卡视频| 奇米在线7777在线精品| 20日本XXXXXXXXX46| 中国熟妇操逼内射| 色色色九月综合| 2024av天堂在线观看| 欧美饥渴熟妇高潮喷水水| 国内精品人妻| 视频列表--国产| 朋友的丰满人妻中文字幕| 国产精品无码免费视频二三区| 激情的图片与小说| avtt香蕉久久| 欧美在线一片| 人人妻人人人人爽欧美一区蜜桃 | 婷婷五月丁香花开网| 精品人妻一区二区三区浪潮在线| 人妻av乳头| 日本东京热官网| 免费无码加国产|