Molykote HP-870 is a fully fluorinated grease engineered for extreme conditions. Key properties include high-temperature stability (-20°C to 250°C), exceptional chemical inertness, low volatility, and broad compatibility with materials. It meets NLGI Grade 2 consistency with a density of 2.0 g/cm³.
Standard | Test Parameter | Unit | Result |
---|---|---|---|
- | Appearance | - | White |
JIS K 2220 | Penetration (worked 60x) | mm/10 | 280 |
- | Service Temperature Range | °C | -20 to 250 |
- | NLGI Class | - | 2 |
- | Density | g/cm³ | 2.0 |
MIL-S-8660 | Bleed (200°C, 24h) | % | 5.0 |
MIL-S-8660 | Evaporation (200°C, 24h) | % | 1.0 |
MIL-S-8660 | Evaporation (200°C, 1000h) | % | 3.0 |
ASTM D2596 | Four Ball Weld Load (1500 rpm/1 min) | N | >4,900 |
ASTM D2266 | Four Ball Wear Scar (1200 rpm, 392 N) | mm | 1.3 |
JIS K 2220 | Low-T Temp Torque (-20°C) Starting | N·cm | 54 |
JIS K 2220 | Low-T Temp Torque (-20°C) Running | N·cm | 28 |
JIS K 2220 | Low-T Temp Torque (-40°C) Starting | N·cm | Not measurable |
JIS K 2220 | Low-T Temp Torque (-40°C) Running | N·cm | Not measurable |
DIN 51802 | Emcor Corrosion Test | - | 0 to 1 |
- | Base Oil Vapor Pressure (20°C) | Pa | 2×10⁻⁶ |
• Semiconductor: Robot arms in vacuum chambers, wafer transfer bearings (low contamination).
• Paper Manufacturing: Dryer roller bearings (resists steam & chemical residues).
• Energy: LNG valve seals (cryogenic -162°C & methane resistance).
• Aerospace: Satellite thruster seals (validated in high vacuum).
Source: DuPont technical bulletins & OEM maintenance guides (e.g., Applied Materials).
item
|
value
|
Place of Origin
|
USA
|
Brand Name
|
Molykote
|
Application
|
Industrial Lubricant
|
Type
|
Greases
|
Specification
|
SAE
|
General Composition
|
Anti-Wear
|
Model Number
|
HP870
|
Specification
|
1kg
|
color
|
White
|