97干干干_国产精品自在线_我把老师操了_日本在线精品视频_精品厕拍_极品国产白皙_日韩av中文在线_日本一区二区欧美_依依成人在线视频_成人精品综合_日本一区2区_婷婷在线视频_亚洲五码中文字幕_亚洲国产精品天堂_国产一区二区在线播放

四甲基四氫環四硅氧烷環體（D4H）      

---

 CAS： 2370-88-9            

品牌： 晏迪 /YOUND  

型號： YDH626 

 學名稱：1,3,5,7-四氫-1,3,5,7-四甲基環四硅氧烷 /2,4,6,8-四氫-2,4,6,8-四甲基環四硅氧烷

---

分子結構：

化指標： 
外觀：無色透明液體                   
含量：99%；95% 
粘度：1~2cs                           
沸點：135℃ 

---

性能及用途： 
 四甲基環四硅氧烷相對于線形聚甲基氫硅氧烷來講，雜質少，純度高，鏈節固定，易于改性分子的設計，可用于制備各種特定含氫量和所需鏈節數的甲基氫硅氧烷及改性硅氧烷。如：用于制備高含氫量的含氫硅油；制備高溫*化硅橡膠、加成型液體硅橡膠的交聯劑；合成側鏈聚硅氧烷液晶高分子，及各種高純度的側鏈改性硅油。如：長鏈烷基硅油；聚醚硅油；環氧硅油；羧基硅油；氨基硅油等。 
還是光電材料的優良浸漬劑。 
包裝及貯存： 
200kg內涂桶，50kg、25kg塑料桶包裝。 
 產品密封包裝貯于陰涼干燥處，避免與酸、堿接觸，并遠離火源

Product name : tetramethylcyclotetrasiloxane  (D4H)

---

YDH-626

MF：

 

CAS:2370-88-9

Assay :>99%min

---

DESCRIPTION

It’s relative to linear poly methyl Hydrogen siloxane, few impurities high purity, chain link fixed, easy design to modified molecular, can preparation a variety of specific amount of hydrogen and the required number of chain methyl hydrogen siloxane and modified siloxane.

 Specification

Appearance	Content(%)	Viscosity(Cs)	Boiling point(℃)	Refractive	Flash point(℃)
Colorless transparent liquid	min99	1~2	135	1.387	24

---

Usage

 this product is the production of commercial grade hydrogen silicone and modified silicone oil ,silicone surfactants, liquid silicone rubber’s cross-linking agent and important intermediate, also an important raw material of  synthetizing side chain polysiloxane and  liquid crystal polymer. Also is an excellentimpregnantof optical materials.

Package and transport

Package with 200kg coating metal drum, 1KG,20kg or 50kg plastic drum

Store airtight at room temperature in dry shadow place, avoid contact with alkali and acid , away from fire source.