DATA SHEET

 

S  O F E X  Company
2 Proezd Perova Polya 111141 MOSCOW,    RUSSIA

Tel: (7-095) 232-1110,

www.sofex.ru ,š sofex@sofex.ru

 
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SOFEXSIL-PDESš

 

 

 

FEATURES

 

Polydiethylsiloxanes offer improved metal-metal lubrication and low temperature properties when compared to polydi-methylsiloxanes.

► They are oxidatively stable to 150œC and thermally stable under inert atmospheres to 225œC.

 

►Ready to use

 

►Good thermal stability

 

►Low surface tension

 

 

DESCRIPTION

 

POLY(DIETHYLSILOXANE), 
TRIMETHYLSILOXY 
TERMINATED
 
Clear viscous liquid
insoluble in water 

 

 

APPLICATIONS

 

Component for low-temperature silicone rubbers

►Basis for low- and high-temperature silicone oils, greases, and lubricants.

►Low temperature aerospace hydraulics.

The thermal silicone fluids

►Release agent for plastic extruders

►Lubricant for metal-on-metalš and metal-plastic combinations

 

TYPICAL PROPERTIES

 

  

PDES1

PDES2

PDES3

PDES4

PDES5

Flash Point œC

 

110oC

125oC

170oC

265oC

Pour point œC,

-115oC

-110oC

-109oC

-110oC

-96oC

Viscosity,cSt.

1,5-4,5

6-12

14-17

42-48

200-500

Dielectric Strength, volts/mil

300-400

Compressibility,%

 20,000 psi

11.9

Thermal Conductivity (W/(m .K)]

500-700

Density,g/cc

0.86-

0.9

0.92-0.95

0.95-0.97

0.97-

1.0

0.990-1.020

Refractive Index n

1.436

1.436

1.438

1.442

1.447

Lubricity

Four ball wear,mm at 75œC,40 Kg.load steel on steel,one hr.

0.9-2.5

 

USABLE LIFE AND STORAGE

When stored at or below 50œC in the original unopened containers, this

product has a usable life of 36 months from the date of production.

 

PACKAGING

This product is available in 50kg drums.

 

LIMITATIONS

This product is neither tested nor represented as suitable for medical or pharmaceutical uses..

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