尤物仙女视频慰福利视频网站,又粗又大又长免费毛片,隔着黑丝舔小穴视频韩版,国产精选日韩,亚洲熟妇一区二区三匹,大屁股流白浆一区二区三区,东北熟女喷液视频,国产a观看,黄片日皮视频免费观看,国产丰满老熟女重口对白

Wuxi Zhengmao Chemical Co.,Ltd.
Wuxi Zhengmao Chemical Co.,Ltd.
Wuxi Zhengmao Chemical Co.,Ltd.
Phenothiazine
Product Name
 Phenothiazine
Product Category
 Present products
Product Content

Phenothiazine

Quality standard: Q/320211NCM03-2002
Index name
Value
Special grade
Industrial grade
Appearance
light yellow crystalline powder
gray yellow to green black crystalline powder
Melting point
183-186°C
≥178°C
Residue on ignition
≤0.1 %
 
Loss on dry
≤0.2 %
 
Assay
≥99%
≥97%

Packing : Special grade 25kg / paper-plastic bag, Industrial grade :25kg / paper-plastic bag
Copyright(C)2018,  Wuxi Zhengmao Chemical Co.,Ltd.  All Rights Reserved.  Supported by  ChinaChemNet  ChemNet  Toocle  Copyright Notice  備案序號(hào)：蘇ICP備11071241號(hào)