polydimethylcyclosiloxane

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PRODUCT INTRODUCTION

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  1. Name: Polydimethylcyclosiloxane
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  3. CAS No.: 69430-24-6
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  5. Molecular formula: [(CH3)2SiO]n  n=3-7
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  7. Appearance:Colorless transparent oily liquid.
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  9. Technical indexes
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Item

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Indexes

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Premium grade

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First grade

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Chroma/platinum-cobalt chroma No./Hazen /% ≤

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10

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10

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Density@20u2103, g/cm3

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0.950-0.970

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0.950-0.970

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Mass Fraction of Octamethylcyclotetrasiloxane /% ≥

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90

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85

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Mass Fraction of hexamethyldisiloxane /% ≤

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0.01

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0.01

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Chloride(count by Cl-)/% ≤

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0.0005

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0.0005

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Refractive index nD20

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1.3960-1.3970

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1.3960-1.3970

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Water content/% ≤

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0.1

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0.5

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Viscosity@25u2103, mm2/s

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2.10-2.50

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≤3.50

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PH Value

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7

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7

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Molecular weight (By flash polymerization)/ten thousand ≥

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60

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60

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Mass fraction of cyclic/% ≥

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99.50

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99.50

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  1. Applications: The primary material of high mol molecular weight linear or crosslinking ploysiloxane products. It can produce three types of polymer products including silicone oil, silicone rubber and silicone resin.
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  3. Hazard characteristics: It is flammable, it will produce carbon oxide and silicon dioxide when it burns and will decompose and produce formaldehyde when it heated to 200-300u2103. Electrostatic force accumulates and may ignite inhalator. Hidden fire danger can be avoided by earth or inert gas protection.
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  5. Stability: Stable
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  7. Condition to avoid being contacted: --
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  9. Banned articles: Oxidant
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  11. Decomposition products: silicon dioxide, Carbon dioxide and minimum incomplete combustion carbide and formaldehyde.
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  13. Package storage and transportation: It should be packed in 200L iron bucket and be stored in a shady, cool and ventilated storehouse. It should be kept away from kindling and heat source,  temperature in the storehouse above 30u2103 is not suitable. It should be put and stored separately from oxidant, acid, and alkali. Corresponding varied and quantitative fire fighting equipment should be equipped. Mechanical equipment and tools  which are easy to produce sparks are prohibited to be used. When conveying, take care of loading and unloading to avoid damages on package and vessels.
Zhejiang Zhongtian Fluorine Silicon Material Co., Ltd. mainly engaged in organic silicon monomer, research and development fluorine silicon new materials and silicone sealant. Key products include Silicone Sealant, Methyl Vinyl Silicone Gum(VMQ), DMC(Dimethylcyclosiloxane), Methyltrichlorosilane and Trimethylchlorosilane.

With annual capacity of 80,000 tons organic silicon monomer, of 12,000 tons temperature silicone rubber, of 30,000 tons Methyl Vinyl Silicone Gum, of 30,000 tons silicone sealant, and the utilization means for some byproduct processing, Zhejiang Zhongtian Fluorine Silicon Material Co., Ltd. already has the complete industrial chain of organic silicon. It is certified company quality system according to ISO 9001 and ISO 14001, while products meet American, British, European, Australian, Chinese and some other international Standards.

Zhejiang Zhongtian Fluorine Silicon Material Co., Ltd. was established in 2006, a joint venture by ZHONGTIAN Group and JUHUA Group, locating in the High-tech industrial park, Quzhou city, Zhejiang province of China. With registered capital of 200 million Yuan and total investment amount of 800 million Yuan, the factory covers an area of 220,000 square meters, and has more than 500 employees.

In order to practice social responsibility, ZHONGTIAN Group has set up the Caring Community Fund with 100 million Yuan to help the people in need, and the Fund has funded 18,000 poor college students in China. Focus on honesty management, responsible innovation and public charity, Zhejiang Zhongtian Fluorine Silicon Material Co., Ltd. aims to become the comprehensive sustainable development organic silicon industry base in China.

Other supplies related products

Zhejiang Zhongtian Fluorine Silicon Material Co., Ltd

China China
Contact Person: Jiali Zhou
Telephone: 86-570-8598517
Location: Zhejiang, China
Fax:86-570-8598517
Business Type:Manufacturer, Exporter
Main Target Region:World Wide
Address:
No.20 Huayin north road, Hi-tech industrial park,Quzhou, Zhejiang China
Main Product:
silicone sealant
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