LOCTITE® 640
LOCTITE® 640 is an anaerobic shaft-bushing retainer of green color, with low viscosity, based on dimethacrylate ester, ideal for parts requiring a longer positioning time. The fixation time on steel is 2 hours. It is also used for active metals, for example, brass. It is a high-strength product with good heat resistance. The maximum diameter gap is 0.1 mm, and the operating temperature is from -55 to +175ºC. Fluorescence allows you to control the presence of the product.
- Slow polymerization
- Ideal for large diameter parts
- High strength
- High temperature resistance
Specifications
| Packing volume | 50ml, 250ml, 2L |
| Viscosity (mPa*s) | 450 — 750 |
| Thixotropy | No |
| Maximum radial clearance | 0,1 mm |
| Fixing time (on steel) | 2 h |
| Tensile strength (N/mm^2) | 22 |
| Operating temperature range | -55°C...+175°C |
| Fluorescence | Yes |
| Color | green |
| Chemical basis: | Methacrylate |
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