Devcon Plastic Steel Putty A

Devcon Plastic Steel Putty A

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Plastic Steel Putty/Devcon Plastic Steel Putty A

Description: Devcon Plastic Steel Putty is a steel-filled epoxy putty that cures at room temperature and is designed for filling, rebuilding, and bonding metal surfaces.

Intended Use: Devcon Plastic Steel Putty is a Patching and repairing areas where welding or brazing would be undesirable or impossible

Product features: Devcon Plastic Steel Putty Applies easily to vertical surfaces, Machinable to metallic finish, Bonds to aluminum, concrete, and many other metals, Resistant to chemicals and most acids, bases, solvents, and alkalis. 

Technical Properties of Devcon Plastic Steel Putty

Color Grey 

Mix Ratio by Volume 2.5:1

Mix Ratio by Weight 9:1

% Solids by Volume 100

Pot Life @ 75F 45 min.

Specific Volume 11.9 in.(3)/lb

Cured Shrinkage 0.0006 in./in.

Specific Gravity 2.33 gm/cc

Temperature Resistance Wet: 120 Degrees F; Dry: 250 Degrees F

Coverage/lb 48 sq. in @ 1/4 in

Cured Hardness 85D

Dielectric Strength 30 volts/mil

Dielectric Constant 37.5

Adhesive Tensile Shear 2800 psi

Compressive Strength 8260 psi

Modulus of Elasticity 8.5 x 10(5) psi

Flexural Strength 5600 psi

Coefficient of Thermal Expansion 48 [(in)/(in) x °F)] x 10(-6)

Thermal Conductivity 1.37 [(cal x cm) / (sec. x cm(2) x °C)] x 10 (-3)

Cure Time 16 hrs

Recoat Time 10-12 hrs

Mixed Viscosity Putty 

Application Instructions : Spread mixed material on repair area and work firmly into substrate to ensure maximum surface contact. Plastic Steel®

Devcon Putty A fully cures in 16 hours, at which time it can be machined, drilled, or painted.


Place fiberglass sheet, expanded metal, or mechanical fasteners between repair area and Plastic Steel Putty A prior to application.


Devcon Plastic Steel Putty A can be troweled up to ¼” thick without sagging.


Cure at room temperature for 2.5 hours, then heat cure for 4 hours @ 200 Degress F.


Applying epoxy at temperatures below 70 Degrees F lengthens functional cure and pot life times. Conversely, applying above 70 Degrees F shortens functional cure and pot life.

MACHINING: Allow material to cure for at least 16 hours before machining. 


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