高清无码内射,女厕厕露P撒尿八个少妇,欧洲美熟女乱又伦免费视频,久久婷婷五月

Stock abbreviation:
Chenguang New Materials
Stock Code: 605399

PRODUCTS

CG-Si50

Chemical name Mixture of bis(3 - triethoxysilylpropyl)tetrasulfide (50%) and carbon black (50%)
Structural Formula
Property

Appearance : Solid particles

Color : Black

Application

CG-Si50 is a mixture of CG-Si69 and carbon black. It functions like CG-Si69 and is more convenient to operate. It improves the physical and mechanical properties of rubber and tire aids, including tensile strength, tear strength, and abrasion resistance. It also reduces permanent deformation and compound viscosity, and improves processing performance. It is suitable for natural rubber (NR), isoprene rubber (IR), styrene-e-butadiene rubber (SBR), butadiene rubber (BR), nitrile rubber (NBR), ethylene-propylene-diene rubber (EPDM), and other polymers.

Sample application( *Is required)

Products Name:

 *

Your Name:

 *

Mobile:

 *

Tel:

E-mail:

Industry:

 *

Company:

 *

Department:

 *

Position:

 *

Identity (User, Trader):

Address:

 *

Use:

 *

*

Verification Code:

Verification Code Submit

Follow us

Mobile version

WeChat

Copyright(C)2021, Jiangxi Chenguang New Materials Co., Ltd. All Rights Reserved. 備案序號(hào):贛ICP備2022006710號(hào)

国产乱亚洲精品无玛| 久久亚洲AV日韩AV无码A| 青青草成人黄色最新版| av黄色 在线观看| 亚洲欧美日韩久久精品| 日韩国产一级片子| 国产精品久久久久久久乐播| 尤物视频免费看| 日本+国产+欧美| 久久91精| 又嫩又硬又黄又爽的视频| 欧美老妇人视频在线| 亚洲国产日韩一区二区| 高清无码午夜| 新版中文官网资源av| 天天射天天操天天综合| 激情人生| 五月丁香乱| 日本少妇三级视频网站| 亚洲AV无码片VR一区二区三区| 亚洲免费成人AV| 国内自拍真实伦在线观看| 色狠狠综合网| 奇米亚洲一区二区三区| 精品无码国产AV一区二区三区| 亚洲色图在线六月| 人妻熟妇网| 日韩一区二区三区无码免费视频| 韩无码人妻| 亚洲狠狠色成人综合网| 精品三区免费视频| AV小说操| 久久久久久久精品无码AV少妇| 久久德国A V| 另类十五区| 久久久精品国产SM调教网站| 国产高潮久久免费| 狠狠色狠狠干婷婷五月| 我爱槽av| 国产精品,日韩在线| 免费精品黄色网站污|