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Permabond HM128 Anaerobic Threadlocker

Category Polymer , Adhesive , Thermoset , Acrylic/Cyanoacrylate Adhesive
Manufacturer Permabond
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Permabond HM128 Anaerobic Threadlocker.pdf
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Material Notes:
Permabond® HM128 Threadlocker is a high strength adhesive for permanent assembly. It is typically used for preventing vibration loosening of bolts, studs and cap screws. Full cure to a cross-linked plastic is achieved reliably and fast on steel and all common bolt platings. Additional application areas include machinery, equipment, and electric motor manufacturers. PERMABOND® HM128 Threadlocker replaces lock washers. Features & Benefits: Prevents vibration loosening Controlled off-torque Permanent threadlocking Full cure at room temperature Lubricates threads for easier assembly Provides corrosion protection Superior environmental resistance Environmentally friendly – 100% solids Information provided by Permabond.
Physical Properties Metric English Comments
Specific Gravity 1.10 g/cc
1.10 g/cc
Uncured
Viscosity 500 cP

@Temperature 25.0 °C
500 cP

@Temperature 77.0 °F
Uncured
Storage Temperature 5.00 - 25.0 °C
41.0 - 77.0 °F
Mechanical Properties Metric English Comments
Adhesive Bond Strength 17.0 MPa
2470 psi
steel collar and pin shear; ISO 10123
Thermal Properties Metric English Comments
CTE, linear 90.0 µm/m-°C
50.0 µin/in-°F
Thermal Conductivity 0.190 W/m-K
1.32 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 149 °C
300 °F
Minimum Service Temperature, Air -53.9 °C
-65.0 °F
Electrical Properties Metric English Comments
Dielectric Strength 11.0 kV/mm
279 kV/in
Processing Properties Metric English Comments
Cure Time 4.98 min

@Temperature 23.0 °C
0.0830 hour

@Temperature 73.4 °F
Brass, handling strength
15.0 min

@Temperature 23.0 °C
0.250 hour

@Temperature 73.4 °F
M10 steel, handling strength
30.0 min

@Temperature 23.0 °C
0.500 hour

@Temperature 73.4 °F
Brass, working strength
60.0 min

@Temperature 23.0 °C
1.00 hour

@Temperature 73.4 °F
Zinc, handling strength
60.0 - 180 min

@Temperature 23.0 °C
1.00 - 3.00 hour

@Temperature 73.4 °F
M10 steel, working strength
360 min

@Temperature 23.0 °C
6.00 hour

@Temperature 73.4 °F
Stainless steel, handling strength
1440 min

@Temperature 23.0 °C
24.0 hour

@Temperature 73.4 °F
M10 steel, full strength
4320 min

@Temperature 23.0 °C
72.0 hour

@Temperature 73.4 °F
Zinc, working strength
Descriptive Properties Value Comments
Appearance Red
Uncured
Maximum Gap Fill (mm) 0.15
Maximum Thread Size M20
Strength Retention 50% at 150°C
Relative to 0°C
80% at 100°C
Relative to 0°C
93% at 50°C
Relative to 0°C
Torque Strength (N m) 31
M10 steel, break
40
M10 steel, prevail
UV Fluorescence Yes
Uncured
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