新澳门2024免费原料网-免费完整资料

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VM-18 Divinyl tetramethyl disiloxane

VM-17 Vinyl dimethyl ethoxy silane

VM-20 Tetravinyl tetramethyl cyclo tetrasiloxane

EM-21 Dimethyl diethoxy silane

MM-22 Dimethyl dimethyl

MM The hexamethyl two silyl ether

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Zhejiang Quzhou Jiancheng Silicone Co., Ltd.
The company production base address： Quzhou City, Zhejiang Province high-tech industrial park Nianhua Road 37
Zip Code：324012
Telephone (switchboard): 0570-3888777
Telephone (direct): 0570-3888778
Fax：0570-3888779、3689059
Phone：18957018777
WEB： http：，http：//www.sh-jcslc.com
E-mail：[email protected]

Shanghai Jiancheng Industry & Trade Co., Ltd.
Company Trade Center Address：Sanjiang Road, Xuhui District, Shanghai, Room 902, No. 10, Lane 88 Zip Code：200235
Telephone：021-54972320 54972321
Fax：021-54351059
Phone：13916661238、13701988891

VM-20 Tetravinyl tetramethyl cyclo tetrasiloxane

VM-20 Vinyl ring body [CAS Registration number 2554-06-5]

1.Chemical Name: Tetramethyl vinyl ring four siloxane
2. Abbreviations: VMC methyl vinyl Cyclosiloxane, vinyl tetracyclic body (available pure vinyl three-ring body)

3、English name:Tetravinyl tetramethyl cyclo tetrasiloxane

4、Molecular formula:[CH3(CH2=CH)SiO]4
5、Molecular weight:344.66

6、Structure:

新澳门2024免费原料网

(-Vi=-CH=CH2)
(-Me=-CH3)

7、Physical properties: colorless, transparent liquid Refractive index: 1.4342, boiling point of 224-224.5 ° C, density: 0.9875g/ml

8、Quality standard: Purity ≥ 99%, the vinyl content ≥ 29.5% (detailed index see figure below):
(Note: The pure "vinyl three-ring body", purity ≥ 99%; or "trimethyl three vinyl cyclotrisiloxane ")
Central, methyl vinyl siloxane (referred to as: vinyl ring body or of VMC; Grade: VM-20) a variety of specifications and quality indicators

Item	Qualified product (Cape Central)	Excellent or good	Superior grade	Premium product	Top products
Exterior	Colorless transparent liquid	Colorless transparent liquid	Colorless transparent liquid	Colorless transparent liquid	Colorless transparent liquid
Purity	≥98.0%	≥98.0%	≥99.0%	≥99.0%	≥99.0%
Content of vinyl (Vi)	≥29.3%	≥29.5%	≥29.8%	≥30.0%	≥30.3%
The tricyclic physical content of (V3)	＜0.50%	＜0.30%	＜0.30%	＜0.25%	＜0.20%
Content of tetracyclic body (V4)	≥70.0%	≥80.0%	≥90.0%	≥95.0%	≥99.0%
The Ethyl content (vice peak) followed by V4	＜0.80%	＜0.70%	＜0.65%	＜0.60%	＜0.60%

9、Uses: mainly used for high vinyl silicone oil, silicone rubber, one of the basic raw material of liquid silicone, high vinyl silicone rubber, vinyl, hydroxyl silicone oil additives in the production process (intermediate), but also the synthesis of a variety of silicone rubber.

10、Packing: 25kg plastic pail containers, metal pail or plastic barrel fitted 200kg; can also be packaged according to customer requirements