Polyphenylmethylsiloxane IOTA BJ710
FEATURES
1. Retains its properties after continuous use at temperatures up to 260°C in closed systems
2. Shows very low volatility even at elevated temperatures
3. Highly resistant to oxidation and gumming
4. Exhibits good radiation resistance by remaining serviceable after doses of up to 200 megarads at room temperature
5. No change in physical properties after thousands of hours operation at 250°C in a closed system
APPLICATIONS
• Lubricant for timing devices, instruments, bearings operating at 0°C to 260°C.
• Good base oil for high temperature greases thickened with molybdenum disulphide.
• Heat exchange fluid in high temperature baths and in heat treating baths for metals.
TYPICAL PROPERTIES
Parameter value
Color Colourless to light straw
Specific gravity at 25°C/15.6°C 1.11
Viscosity at 25°C 500 mm2/s
Volatility 4 hours/ 250°C 3 %
Spontaneous ignition temperatue 488℃
Thermal decomposition point 370℃
Flash point - open cup 302℃
Freeze point -22 ℃
Refractive index at 25°C 1.533
Surface tension at 25°C 28.5mN/m
USABLE LIFE AND STORAGE
When stored at or below 60°C in the original unopened containers, this product has a usable life of 60 months from the date of production.
LIMITATIONS
This product is neither tested nor represented as suitable for medical or pharmaceutical uses