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Phenyl Silicone Fluid BL-250

Synonyms: Phenyl methyl silicone fluid, Phenylmethyl polysiloxane and Dimenthyl polysiloxane, Dimethylsiloxane methylphenylsiloxane copolymer
Equivalent Products: Dow Corning 510, Dow Corning 550, Dow Corning 710, Shin-Estu KF53.

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Phenyl Silicone Fluid BL-250

Synonyms: Phenyl methyl silicone fluid, Phenylmethyl polysiloxane and Dimenthyl polysiloxane, Dimethylsiloxane methylphenylsiloxane copolymer.
Equivalent Products: Dow Corning 510, Dow Corning 550, Dow Corning 710, Shin-Estu KF53.


Technical Index

Property

BL-250-125

BL-250-500

Equivalent brand

DC550

DC710

Appearance

Colorless transparent or light yellow transparent liquid

Viscosity(25°C, mm2/s)

125

500

Specific Gravity at 25°C

1.07~1.10

1.09~1.12

Refractive index (25°C)

1.4900-1.5000

1.4900-1.5000

Flashing point,°C

≥308

≥302

Pour point,°C

-50

-22

Volatility 250°C/4Hours, %

≤2.0%

≤2%


Characteristic

BL-250 is straight chained Polyphenylmethylsiloxane in which some of the methyl are replaced by phenyl. Compared with dimethyl silicone fluid, it has better performance in high and low temperatures (-40 ~ 300°C ), and better properties of lubricity, mold unloading and electrical insulation. It is small in temperature viscosity coefficient and volatility. Compression rate and the surface tension is high. It is well in miscibility with other organic resin. The UV-resistant properties is unique. 

• Heat resistance

• High flash points

• Low volatility


Applications

As a lubricant:  

• Base oil for high temperature ball bearing greases.

• Lubricating oil for high temperature instruments.

As a heat transfer medium:

• Heat-treating baths for speciality metals.

• Heat exchange fluid for research apparatus and instrument calibration baths.

• Heat transfer oil in capacitors, transformers and various electronics.

As a thermostat fluid:

• Suitable for temperatures from -40°C to 315°C in thermostat systems, which should be kept clean.


Package

25KG, 50KG plastic drum or 200KG Iron Drum


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