Polydimethylsiloxane(5cSt)

This product is used as a defoaming agent in many aspects such as food, cosmetics, papermaking, water treatment, detergents, sugar making, fermentation, coatings, textile printing and dyeing, drilling and oil refining, hydraulic oil and high-grade lubricating oil, release agent, etc..

Polydimethylsiloxane(5cSt)

Physical and Chemical Properties


Molecular formula: Me3Si(Me2SiO)nOSiMe3


Main technical specifications:


No.ItemTechnical requirements
1Color and AppearanceColorless transparent liquid
2Kinematic viscosity(25℃,mm2/s)4.5~5.5
3Density(25℃)/(g/cm³)0.910~0.920
4Refractive Index (25℃)1.3950~1.3990
5Flash Point/℃          ≥80
6Acid value (measured as KOH)/(μg/g)≤10
7D4 mass fraction/%           ≤0.1
8D5 mass fraction/%           ≤0.1
9D6 mass fraction/%           ≤0.1


Application

This product is used as a defoamer in various industries, including food, cosmetics, papermaking, water treatment, detergents, sugar refining, fermentation, coatings, textile dyeing and finishing, drilling and oil refining, hydraulic oil and high-grade lubricants, mold release agents, and more. It serves as a raw material for silicone resins and silicone rubbers, a binder, an additive in flame-retardant plastics, an insulating material, and also functions as a wetting agent and leather finishing agent.

Packaging, Storage and Transportation

1. This product is packaged in clean, dry, well-sealed plastic barrels or plastic-lined iron barrels. The net content can be packaged according to user requirements.

2. This product should be stored in a dry, cool, ventilated place. Avoid direct sunlight, isolate from fire sources, and stay away from heat sources.

3. This product is stored and transported as non-dangerous goods.

4. The storage period of this product is 12 months from the date of production. If it is overdue, it can be re-inspected according to the standard regulations. If it meets the standard requirements, it can still be used.

For more information on Safety Data Sheets (MSDS), Product Safety Data Sheets, and Product Inspection Reports, please contact us.


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Our Market

Hocon International Co., Ltd. was established in 2015, is a manufacturer specializing in silicone products. Its product varieties include: organosilanes, silicone resin, silicone oil, modified silicone oil and their deep-processing products, the application fields of the products involve daily ...