国产亚洲av人片在线观看,最新国产av无码专区亚洲,欧美激情内射喷水高潮,中国极品少妇videossexhd

Qingdao Unichem International Trade Co., Ltd.
Add: Hua Run Mansion A, No.6, Shandong Road, Qingdao, China.

Tel: 0086 532 85819859 85826252 88789568
Fax: 0086 532 85816786
E-mail: president@sinounichem.com Contact Person: Zhang Huanyu
Http://www.tpyad.com

PLASTIC ADDITVES
TDS of HQEE
·pre
2023-12-22 11:20:36 | FROM:admin
·next


TDS of HQEE
Chemical Name : Hydroquinone Bis(2-hydroxyethyl)Ether
Molecular Formula: C10H14O4
Molecular Weight: 198.2
Structure:
   
CAS Number: 104-38-1

Specification:
Appearance: white solid powder
Hydroxyl value550-580mgKOH/g
moisture      ≤0.2%
Melting Point: ≥100
Soluablity :  not soluable in DMFacetone、anone、ethyl acetate etc.

Main Application :
HQEE is a new-style poisonless chain extender instead of MOCA . Widely applied in MDI ’ PUR  series such as CPU /TPU /MPU .  Can greatly improve polyurethane’ temperature-resisting grade mechanical property such as tearing ength ,shearing ability, hardness& rigidity , elastic resilience. Effectively improve the storage stability & burning-resistance of PUR’ gross rubber .
MDI/HQEE usually applied in the PUR products such as oil well seals , forklift tires ,conveyor belt ,hydraulic cylinder seals which have higher requirements on physical ability .  Can  improve the function of high resilient microspore foam products.

Package :
25kg/cardboard drum (with PE bag inside )
Storage:
HQEE is easy to absorb humidity and can change color when under the sun . Should seal closely and keep from humidity and sunshine . Keep ventilation .
 
 
 

两个美女大乳喷奶水| 老师黑色丝袜被躁翻了av| 精品无码一区二区三区电影| 国产大片免费看软件APP| 手机看片日本在线观看视频| 欧美日韩精品视频一区在线观看| 久久精品人人槡人妻人人玩AV| 大地资源在线播放观看mv| 色老板精品视频在线观看| 国产精品久久久久久不卡| 国产一精品一av一免费爽爽| 在线观看国产成人AV天堂| 国产无遮挡裸露视频免费| 国产成人午夜高潮毛片| 久久精品国产99精品国产2021| 九九在线精品国产| A级毛片高清免费播放| 国产精品无码久久四虎| 亚洲国产精品无码久久久秋霞2| 天天爽亚洲中文字幕| 拔萝卜视频播放在线观看免费| 亚洲成亚洲乱码一二三四区软件| 色欲综合久久中文字幕网| 亚洲国产午夜精品理论片| 久久久久亚洲AV无码专区体验| 国产乱码一卡二卡3卡4卡网站| 手机看片久久高清国产日韩| 无码AV岛国片在线观看免费| 国产亚洲精品第一综合另类| 亚洲av无码一区二区一二区| 亚洲AV永久无码精品一区二区国产| 亚洲AV成人无码天堂| 国产果冻豆传媒麻婆| 男女18禁啪啪无遮挡激烈网站| 国产亚洲精品自在久久蜜TV| 人妻丝袜AV中文系列先锋影音| 欧亚精品一区三区免费| 国产成人精品无码一区二区老年人| 久久精品久久久久观看99水蜜桃| 伊香蕉大综综综合久久啪88| 亚洲欧美偷拍另类A∨|