中文字幕精品久久久久人妻 ,国产精品无码无片在线观看3d,成人a级视频在线播放,亚洲线精品一区二区三区

Welcome to Zanchen New Material!
Guangzhou Zanchen New Material Technology Co., Ltd

Good material and high qualityPersist in creating value for customers

13711384486
020-36966425

News

News

Hot Products

Info

    Service Line:
    020-36966425

    Mb:13711384486

    Email:2810929753@qq.com

    Add:No. 19, Bicun North Road, Xinhua Street, Huadu District, Guangzhou City,China

EVA plastic raw materials

:2017-04-06 :Zanchen Company :38

Basic Information

Chemical Chinese name: Ethylene - vinyl acetate copolymer

Chemical English name: ethylene-vinyl acetate copolymer

English abbreviation: EVA

Technical specification code: 1314

CAS No .: 24937-78-8

Relative density 0.92 ~ 0.98 [1]

Refractive index of 1.480 ~ 1.510

Brittle temperature <a 60 ℃

Thermal decomposition temperature of 230 ~ 250 ℃

Stability: good chemical stability, anti-aging, ozone resistance.

Molecular formula: (C2H4) x. (C4H6O2) y

Molecular weight: 2000 (average)

Health hazards: Irritating to eyes and skin.

Explosion hazard: This product is flammable, irritating.

Skin contact: Remove contaminated clothing and rinse with flowing water.

Eye contact: lift the eyelid, rinse with running water or saline. Medical treatment.

Inhalation: from the scene to the fresh air. Medical treatment.

Ingestion: drink plenty of warm water, vomiting. Medical treatment.

Features

Water resistance: closed cell structure, non-absorbent, moisture-proof, good water resistance.

Corrosion resistance: resistant to seawater, grease, acid, alkali and other chemicals corrosion, antibacterial, non-toxic, tasteless, non-polluting.

Processing: no joints, and easy to hot, cut, glue, paste and other processing.

Anti-vibration: resilience and high tensile strength, high toughness, with good shock, cushioning performance.

Insulation: insulation, insulation and low temperature performance, can be resistant to cold and exposure.

Sound insulation: sealed cells, good sound insulation

Tel:+86020-36966425
Mb: +8613711384486

Email: 2810929753@qq.com
WeChat service

WeChat service

Customer service

Customer service

Guangzhou Zanchen New Material Technology Co., Ltd
Home Product News Phone
国产在线拍小情侣国产拍拍偷| 国产精品久久久久影院老司| 久久久久人妻一区精品色欧美 | 嗯啊开小嫩苞好深啊h服务员| 精品久久久久国产免费| 久久9精品区-无套内射无码| 国产chinasex对白videos麻豆| 亚洲色成人网站www永久四虎 | 免费在线黄色电影| 日产乱码一二三区别免费影视| 特级a欧美做爰片黑人| 伸进同桌奶罩里摸她胸作文 | 一边啪啪一边呻吟av夜夜嗨| 变态捡到女婴h养成调教| 美女与野兽免费观看| caoporn免费视频在线| 两个体校校草被c出水| 亚洲av成人中文无码专区| 亚洲一区二区三区偷拍女厕| 隔壁人妻偷人bd中字| 国产理论片午午伦夜理片2021| 中文乱码字慕人妻熟女人妻| 女朋友的妺妺5在线观看| 人人澡人人透人人爽| 亚洲最大成人网站| 美女露出奶头扒开尿口| 色综合天天综合网国产成人网| 好吊色欧美一区二区三区四区| 999久久久免费精品国产| 亚洲GV天堂无码男同在线观看 | 久久国产欧美日韩精品| 国产一精品一av一免费爽爽| aaa级久久久精品无码片| 亚洲国产精品第一区二区| 极品粉嫩小泬白浆20PA片| 小洁和公h文翁17| 亚洲AV无码一区二区一二区| 黄桃av无码免费一区二区三区| 亚洲日韩在线中文字幕综合| 国产98色在线 | 国| 欧美激情乱人伦|