PERMABOND® A129 Anaerobic Threadsealant

Permabond® A129 is a medium-strength thixotropic (non-drip) anaerobic adhesive. It is specifically designed for use on coarse threads. Because of its viscosity and its strength characteristics, it may also be used as a flange sealant or for bonding co-axial joints. Its medium- strength also means that it may be dismantled for maintenance with normal tools.

FEATURES AND BENEFITS

Can be dismantled with normal tools
Excellent chemical resistance
Low shrinkage during cure
Provides corrosion protection

Physical Properties of Uncured Adhesive

Chemical composition	Acrylic
Appearance	Orange
Viscosity @ 25°C	2rpm: 65,000 mPa.s *(cP)* 20rpm: 20,000 mPa.s *(cP)*
Specific Gravity	1.1
UV fluorescence	No

Typical Curing Properties

Maximum gap fill Maximum thread size	0.5 mm *0.02 in* M56 *2 in*
Time taken to reach handling strength (M10 steel) @23°C	15 minutes*
Time taken to reach working strength (M10 steel) @23°C	1 hour
Full strength (M10 steel) @23°C	24 hours

Typical Performance of Cured Adhesive

Torque strength (M10 steel ISO10964)	Break 12 N·m *105 in.lb* Prevail 7 N·m *60 in.lb*
Shear strength (steel collar & pin ISO10123)	12 MPa *1700 psi*
Coefficient of thermal expansion	90 x 10-6 mm/mm/°C
Dielectric strength	11 kV/mm
Thermal conductivity	0.19 W/(m.K)

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