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HFV-7501 High Vacuum Sealing Silicone Grease
HFV-7501 High Vacuum Sealing Silicone Grease

Model: HFV-7501

Describe: Good high and low temperature performance.

Introduction: Suitable for lubrication and sealing of glass rotary pistons and ground joints in the presence of chemical media.

Package: 50g/box, 120 boxes/carton

Product Details

The vacuum oil produced by Huifeng Enterprise is made of high-quality base oil and imported additives. It is an ideal lubricating material and is widely used in my country's military enterprises, display industry, lighting industry, solar energy industry, coating industry, refrigeration industry, aerospace, etc.

Performance

※ Good high and low temperature performance.

※ Good oxidation stability and chemical stability.

※ Good water-resistant sealing performance, solvent resistance and electrical properties.

※ Suitable molecular weight distribution to ensure the vacuum degree of the system.


※ Good high and low temperature property.

※ Perfect oxidation and chemical stability.

※ Highly resistant to water and solvents and desirable electrical properties.

※ Optimum molecular weight distribution for the vacuum degree of the system.


Application

※ Operating temperature range -40 ℃ ~ 200 ℃.

※ Maintain the vacuum of the vacuum system up to 6.0×10-7kpa, also suitable for sealing between rubber and metal.

※ Suitable for lubrication and sealing of glass rotary pistons and ground joints in the presence of chemical media.


※ Applicable to temperature ranges from-40 ℃~200 ℃.

※ Suitable for rubber-to-metal sealing when vacuum degree reaches 6.0×10-7kpa.

※ Applicable to lubricating and sealing between glass piston and its ground joint when chemical medium exists.


Typical Data

Item/Grade

7501 High Vacuum Sealing Silicone Grease

HFV-7501

Test Method

Method

Appearance

Appearance

white translucent

Translucent and white

Visual inspection

Eyeballing

Cone penetration, 0.1mm (150g, 25)

Cone Penetration

265

GB/T269

Corrosion Test (T2 Cooper, 100℃, 3h)

Corrosion Test (T2 Cooper, 100℃, 3h)

Pass

GB/T7326

Dropping point, ℃

Dropping point

300

GB/T3498

Saturated Vapor Pressure kpa, 60℃

Saturated Vapor Pressure

6.0×10-7

GB/T0293

Molecular Weight

1000

SH/T0220 Appendix B


Note:The above data are the measurement results of representative samples only. Product properties should refer to actual measurement.

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