Santovac 5gb |
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Santovac® 5GB is a non-melting, high temperature, ultra-high vacuum grease with exceptional resistance to oxidation, radiation, chemical attack and moisture. The base fluid used is polyphenyl ether ( Santovac 5) that has been successfully used for many years in high performance vacuum applications. Santovac 5 GB is also recommended for applications, where exposure to extreme chemical environment, radiation, and high temperature is expected. |
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· Exceptionally low volatility · High thermal stability · Resists chemical attack
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Advantages: |
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· Resists oxidation and radiation · Excellent resistance to rust and corrosion · High dielectric strength |
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Advantages: |


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Vacuum Performance Oils and Greases |
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Inland Vacuum Industries, Inc. |
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Santovac® 5 and 5P Ultra have exceptionally low volatility and are thermally stable, non-halogenated water white fluids. They exhibit extraordinary resistance to degradation from heat, oxygen, radiation and chemical attack. These lubricants are designed for applications where extremely high temperatures and adverse environments are expected. They consist of 100% pure polyphenyl ethers and are compatible with most metals and elastomers commonly used in vacuum pumps. |
Product Summary |
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· Lowest Backstreaming Characteristics · Excellent Thermal Stability · High Tolerance to Pressure Bursts |
Santovac 5 & 5P Ultra |
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Specification |
Santovac 5& 5P Ultra |
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Appearance |
Clear |
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Viscosity @ 40ºC |
370 cSt |
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Viscosity @ 100ºC |
13 cSt |
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Pour Pt. |
4ºC |
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Flash Pt. |
288ºC |
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Refractive Index @ 25ºC |
1.630 |
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Thermal Stability up to ºC |
453 |
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Vapor Pressure, mmHg @260ºC |
0.2 |
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Surface Tension Dynes/cm |
49.9 |
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Specific Gravity @ 25ºC |
1.2 |
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Physical Properties |
Typical Results |
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Appearance |
Smooth, white |
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Worked Penetration |
220 |
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Unworked Penetration |
224 |
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Dropping Point ºC |
>260 |
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Evaporation Rate 24hrs/150ºC |
Nil |
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Oil Separation 24hrs/150ºC |
<0.1 |
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Vapor Pressure |
4x10-10 torr @ 25ºC |
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Max Operating Temperature ºC |
316 |