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PRODUCT
Products
THK AFG Grease
Product Number：THK AFG
[Operating Temperature Range]
-45°C~160°C
[Color]
Brown-70g, 400g
-45°C~160°C
[Color]
Brown-70g, 400g
[Operating Temperature Range]
-45°C~160°C
►For preventing heat generation by ball screws
►Micro-vibration
►Water-resistance
►For sliding friction
►Ulea-based
THK-AFG Grease THK ORIGINAL GREASE
Base oil: High-grade synthetic oil
Consistency enhancer: Urea-based
AFG Grease is a high-grade grease for ball screws that uses high-grade synthetic oil as its base and a urea-based grease as its consistency enhancer. This ensures that it has superior low heatgenerating properties, allowing for use over a wide temperature range—from low to high temperatures.
[Features]
1. Low heat generationSince the viscous resistance is low, the grease generates only a minimal level of heat even during high-speed operation.
2. Low torque properties
Features a low base oil kinematic viscosity, making it ideal for ball screws.
3. Water resistance
AFG Grease is a highly water-resistant grease that is less vulnerable to softening and reductions in extreme pressure resistance due to moisture penetration.
[Representative Physical Properties]
| Item | Representative value | Test method | |
|---|---|---|---|
| Consistency enhancer | Urea-based | ||
| Base oil | High-grade synthetic oil | ||
| Base oil kinematic viscosity: mm2/s (40°C) | 25 | JIS K 2220 23 | |
| Worked penetration (25°C, 60 W) | 285 | JIS K 2220 7 | |
| Mixing stability (100,000 W) | 329 | JIS K 2220 15 | |
| Dropping point: °C | 261 | JIS K 2220 8 | |
| Evaporation amount: mass% (99°C, 22 h) | 0.2 | JIS K 2220 10 | |
| Oil separation rate: mass% (100°C, 24 h) | 0.5 | JIS K 2220 11 | |
| Copper plate corrosion (B method, 100°C, 24 h) | Accepted | JIS K 2220 9 | |
Low-temperature torque: mN-m (‒20°C) |
Starting | 170 | JIS K 2220 18 |
| Rotational | 70 | ||
| 4-ball testing (welding load): N | 3089 | ASTM D2596 | |
| Service temperature range: °C | -45~160 | ||
| Color | Brown | ||