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

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Product

PD silicagel

[ Products Description ]

Silica gel is widely used in industrial gas and liquid dehydration dehydration, and instrumentation drying, but also as a catalyst or catalyst carrier.

[ Technical Indexess ]

Item		Target
		Excellent	First grade	Qualified
size ratio up to grade		Agreement
Bulk density		Agreement
Absorption of steam to 25°C	RH=20%	≥10.5	≥10.0	≥8.0
	RH=50%	≥23.0	≥22.0	≥20.0
	RH=90%	≥24.0	≥32.0	≥30.0
Sphere grain ratio up to grade%		≥82	/	/
Heating loss %		≤2.0	≤4.0	≤6.0
PH		4-8
Ω.cm Electric resistance		≥3000
SiO₂ %		≥98

About us — Product — Strength — Honors — Order — Contact us

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

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

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