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

高清无码一二三四区| 国产日产欧产美韩系列国 | 日产无人区一线二线三线观看| 成人免费av片在线观看| 狠狠亚洲狠狠欧洲2019| 国产老肥熟xxxx| 东京热人妻丝袜无码AV一二三区观| 亚洲国产成人精品女人久久久张芸| 欧美xxxxx做受vr| 国产香蕉97碰碰久久人人| 熟女一级强奸毛片| 精品久久久无码中文字幕一丶| 热九九热九九| 果冻传媒2021精品入口免费| 人与禽zozo性伦| 夜爽8888视频在线观看| 色欲影视天天| 欧美孕妇孕交黑巨大网站| 精品va少妇一区二区三区| 浪货跪下给我好好含着羞辱调教| 久久99精品久久久久久婷婷2021| 欧美性爱网4| 国产成人精品亚洲精品夜夜嗨| 99热在线只有精品| 欧美牲交a欧美牲交久久精品| 久久婷婷狠狠| 人妻无码精品久久久久一区| 无套少妇16P| 中文字幕无码精品亚洲35| xxxxx69黄色视频| 国产精品亚洲а∨无码播放不卡| 亚洲熟妇久久国内精品| 亚洲精品第一页国产精品| 国精产品一区二区三区有限| 国产伦清品一区二区三区| 苍井空一区二区三区精品| 夜夜操夜夜人| 操b视频欧美日韩精品| 免费国产精品久久久久久| 日本阴道毛茸茸| 亚洲av日韩av男人的天堂在线|