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

出国| 阜新| 海宁市| 汽车| 喀喇| 鄯善县| 轮台县| 礼泉县| 牙克石市| 绥宁县| 黄龙县| 锡林浩特市| 高密市| 南投市| 江口县| 盐城市| 桦甸市| 雷州市| 灵台县| 诸城市| 玉门市| 香河县| 阿巴嘎旗| 松潘县| 保亭| 冀州市| 桂阳县| 遂宁市| 黔江区| 安乡县| 仪陇县| 库车县| 凤翔县| 平塘县| 云浮市| 吴江市| 烟台市| 沂水县| 内丘县| 民勤县| 南通市|