Pure Silicone Fluids

Clearco Standard Pure Silicone Fluids are 100% Dimethypolysiloxanes (CAS # 63148-62-9) that do not contain any additives or solvents. These Silicones are chemically inert to most materials including rubber, plastic and metals. Clearco Pure Silicones are thermally stable and show excellent stability when exposed to both low and high temperatures for long periods of time.

Standard Pure Silicones Uses and applications include: Damping Fluid, High Temperature Bath Fluids, Heat Transfer, Hydraulic Fluid, Mold Release Agents, De-foaming Agents and General Purpose Lubricants.

Product Equivalent to Dow Corning 200 & GE SF96 Silicones

Viscosity Range:
Super-Low Viscosities: 0.65cSt, 1cSt, 1.5cSt & 3cSt
Low Viscosities: 5cSt, 10cSt & 20cSt
Standard Viscosities: 50cSt, 100, 200, 350 (food grade), 500 & 1,000cSt
High Viscosities: 10,000cSt, 30,000cSt, 60,000cSt & 100,000cSt

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Clearco PhenylMethyl Silicones are clear, 100% silicones belonging to the phenyl silicone group. Phenyl Methyl silicones exhibit higher temperature stability than standard pure silicones. They are recommended as bath fluids for temperatures above 320°F/ 175°C and have a service temperature range that exceeds 290°C in open systems (open to the air). In closed systems (air is excluded), Clearco Phenylmethyl silicones remain stable for thousands of hours at temperatures exceeding 250°C / 480°F +. (See product specs for gel times)

Phenyl Methyl Silicones In addition, Clearco PhenylMethyl Silicones exhibit higher oxidation resistance, greater thermal stability and better shear resistance than standard silicones. Other applications include: heat transfer, hydraulic fluid, & damping fluid.

Product Equivalent to Dow Corning 510 & 550 Phenylmethyl Silicone fluids.

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Clearco High Temperature Bath Fluid is a polydimethysiloxane silicone formulated with an anti-oxidant additive to give it stability at High Temperature Bath Fluidtemperatures exceeding 500°F / 250°C. Due to the heat- stabilizing additive, it has a dark-brownish color. The High Temp Bath Fluid bridges the gap between standard silicones and the phenyl methyl silicones. It is an efficient and cost-effective alternative for baths with temperature that range from 320°F to 550°F.

Product Equivalent to Dow Corning 210H Fluid.


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Clearco Pure Silicone 350cSt is a 100% Dimethyl Polysiloxane Silicone (CAS # 63148-62-9) that does not contain additives or solvents. This product is chemically inert to most materials, including plastics, Rubbers, and metals.

NSF Registered Clearco Pure Silicone 350cSt is designed for use in food processing and areas where a food grade product is desired. It is registered with the NSF Nonfood Compound Registration Program as an H1Lubricant for use in food processing and food packaging areas. Clearco Food Grade 350cSt Pure Silicone meets regulatory requirements including FDA 21 CFR .

Product Equivalent to Dow Corning 200, 350cSt and GE SF18-350cSt.


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NSF RegisteredClearco provides Pure Silicones for specialty applications. For treadmill maintenance, try Clearco Silicone Treadmill Lubricant. It is a 100% silicone product available in 3 sizes.

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This chart is a reference for the viscosities of silicones to common fluids. The comparisons are not exact and should only be used as a general guide.
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