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Quick Details

  • Classification: Chemical Auxiliary Agent
  • CAS No.: 63148-62-9
  • Other Names: PDMS, dimethyl silicone oil
  • MF: C6H18OSi2
  • EINECS No.: 203-492-7
  • Purity: High
  • Place of Origin: Guangdong, China (Mainland)
  • Type: silicone oil
  • Usage: Coating Auxiliary Agents, Electronics Chemicals, Plastic Auxiliary Agents, Rubber Auxiliary Agents, Surfactants, Textile Auxiliary Agents
  • Brand Name: Betely
  • Model Number: BQ-350
  • Appearance: colorless transparent liquid
  • Viscosity(25℃): 350±18 mm2/s
  • Volatile (150℃,3h): ≤0.5%
  • Relative density(25℃): 0.965-0.973
  • Refractive index(25℃): 1.401-1.404
  • Flash point(℃): ≥315
  • Shelf life: 12 months
  • Free sample: 1kg

Packaging & Delivery

Packaging Details 200kg per iron barrel
Delivery Time 3 days after payment

Skin care cosmetics silicone oil 

Product Description


Description of dimethyl silicone oil

It is a colorless,transparent,no mechanical impurities polydimethylsiloxane fluid.

Chemical components: (CH3)3[SiO(CH3)2]nSi(CH3)3

CAS No. 63148-62-9 


Characters of dimethyl silicone oil

1. Provide soft, smooth skin feeling in personal care products, it is easy to spread in skin and hair. 

2. It is with high dielectric strength and high damp function in industrial application. And it is antioxidant, chemical resistance and weather resistance.  


Properties of dimethyl silicone oil

Easy to coating, wipe and polish


Good spreadability and compatibility

Low environmental harm

Low surface ability

Low reaction

Good heat stability 

Non-toxic and smell


Application of dimethyl silicone oil

1. It is a glue, emulsion and solvent type polishing agent for automobile, furniture, metal polishing, and it is also a active composition in Aerosol.

2. It is a composition of cosmetic, a lubrication of elastic and plastic, a electrical insulating liquid, a defoaming agent, a mould release agent, solvent type surface treatment and leather fat liquefaction agent,ect.


Physical properties of dimethyl silicone oil




Test method

Standard value




Colorless transparent



HG/T 2363-1992


Volatile (150℃,3h)


GB 6740-86


Relative density(25℃)


GB 4472-2011-T


Refractive index(25℃)


GB 6488-2008-T


Flash point, open cup

GB 267-1988


Acid value

mg KOH/g

GB/T 264-83


Relative dielectric constant(25℃,50Hz)


GB 5654-2007-T


Flow point

GB/T 3535-2006



About our company





 1) Why choose your company?


1.    Research power 

The chairman of BTL values new products’ research and development, our company had invested more than ten million RMB to R&D and has established Guangdong electronic chemical polymer material engineering technology research and development center, Dongguan new silicone material engineering technology research and development center, Wuxi  touchscreen chemical materials research and development center,ect.


2.    Plentiful talent reserve

Recently, BTL has about 200 research and technology employees and there are 700 sets research equipment supported their R&D. What’s more, the talents and equipments are growing powerfully


3.    Patents

BTL has 18 patents, among them, 12 are patens for invention, it is also applying for other 10 patents, and all those technology and research result have transferred to production power


4.    External cooperation

Considering long strategy, BTL carries out various production-study-research and talent training and providing cooperation with many famous universities in domestic such as Zhejiang University, Wuhan University, Nanchang University,South China University of Technology. It is greatly improved our company’s R&D power and integration of technical resources ability


5.    Our products developed widely all over the domestic market. And our management and engineers have a big acknowledgement of chemical industrial as well as its trend; meanwhile, we have a complete runing system, no matter in company manager system or products quality control system. Join us can get more professional, powerful support for technology, products and service.


6.    Strict control for material purchasing: keep good cooperation relationship with excellent suppliers that confirm products' performance, stable material source and very competitive price.


7.    In near futuer, we will increase five to ten or more advanced silicone chain products, change single product structure to industrial chain to satisfy whole silicone industrial requirement. Come to join us and develop with us. More surprise and profit will show to you.

2) How do you guarantee the price is most competitive?

Compare with trading companies or distributors, as a manufacturer, the price we offer is first-hand; Compare with general manufacturers, with high quality, we have 10 years experience, strict production cost control enable us to offer best price for customers

3) What will be delivery time when I complete the payment?

We promise to deliver the materials within 3 working days after payments confirmed in our bank.


Any other information needed, pls feel free to contact

Ms. Cathy Wu


Tel: +86-769-88283318

Mob&Whatsapp: +86-15869028030

Wechat&QQ: 252815123

Skype: teresawlh




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