国模冰莲自慰肥美胞极品人体图,丰满女老板bd高清a片,性做久久久久久久久,婷婷成人丁香七月综合激情

中文版
Welcome to Hubei Microbial Control Biological Technology Co., Ltd

Products

Products

Dipropylene Glycol Dibenzoate (DPGDB)
CAS NO.:27138-31-4        Formula:C<sub>20</sub>H<sub>22</sub>O<sub>5</sub>        Molecular Weight: 342.39
Structural:
Dipropylene Glycol Dibenzoate (DPGDB)

Synonyms: 3,3'-Oxydi-1-Propanol Dibenzoate; Dipropylenglycoldibenzoate; oxybis-propanodibenzoate
Specification:

TecTechnical Index

Top grade

First grade

Chroma (APHA) ≤

80

100

Molecular weight

342

342

Acidity (as benzoic acid) ≤

0.1

0.3

Ester ≥

98%

98%

Relative Density (25℃)

1.129

1.129

Flash point (open) ≥ ℃

210

198

Solidifying point ℃

-40

-40

Viscosity (20 ℃) pa.s

215

215


Package: Packed by 220kg /Drum

 



Home

Home

About us

About us

Products

Products

Contact us

Contact us

甘肃省| 宁夏| 福州市| 柘城县| 托克逊县| 陆丰市| 霍山县| 苗栗县| 潼关县| 贵定县| 萍乡市| 蓬溪县| 兰溪市| 汉沽区| 吉安县| 普宁市| 论坛| 商丘市| 宜川县| 隆尧县| 安丘市| 宜宾县| 盐亭县| 石景山区| 富阳市| 岳西县| 南丰县| 江口县| 郁南县| 沈丘县| 宁德市| 新沂市| 靖宇县| 苏尼特右旗| 霍邱县| 顺平县| 廉江市| 龙海市| 宜兰市| 罗田县| 湖州市|