Permabond® HH120 Threadlocker is an excellent general purpose threadlocker and sealant. It is used for locking bolts, nuts and screws that require permanent assembly. Its high viscosity allows for ease of use on coarse threaded fasteners. Cure is fast and reliable on steel, cadmium, zinc and other plated fasteners. Major use areas include machinery and equipment manufacturing. Additional uses include sealing pipe flanges and retaining worn bearings.
FEATURES AND BENEFITS
- Prevents vibration loosening
- Controlled off-torque
- Non-drip, thixotropic
- Full cure at room temperature
- Provides corrosion protection
- Superior environmental resistance
- Environmentally friendly – 100% solids
Physical Properties of Uncured Adhesive
Chemical composition |
Methacrylate esters |
Appearance |
Red |
Viscosity @ 25°C |
7,000 mPa.s (cP) |
Specific Gravity |
1.1 |
UV fluorescence |
Yes |
Typical Curing Properties
Maximum gap fill Maximum thread size |
0.25 mm 0.01” M30 1½” |
Time taken to reach handling strength (M10 steel) @23°C |
10 minutes* |
Time taken to reach working strength (M10 steel) @23°C |
30 minutes |
Full strength (M10 steel) @23°C |
24 hours |
Typical Performance of Cured Adhesive
Torque strength (M10 steel ISO10964) |
Break 31 N·m 275 in.lb Prevail 34 N·m 300 in.lb |
Shear strength (steel collar & pin ISO10123) |
17 MPa 2500 psi |
Coefficient of thermal expansion |
90 x 10-6 mm/mm/°C |
Dielectric strength |
11 kV/mm |
Thermal conductivity |
0.19 W/(m.K) |