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Metal adhesives

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Reynolds Metalset™ A4 Aluminum Filled Epoxy Resin Cement
Categories: Polymer; Thermoset; Epoxy

Material Notes: Product Overview: Metalset™ A4 is a powerful epoxy adhesive that has been used for years by all branches of the U.S. Military as well as every major airline and auto manufacturer in the world. Metalset™ A4 is used for hundreds of industrial bonding applications and offers excellent adhesion to porous or non-porous surfaces. It can be applied to vertical surfaces without sagging and cures overnight with negligible shrinking. Once cured, Metalset™ A4 offers good machining qualities (sanding, drilling, tapping), and resists alkalies, dilute acids and solvents. Applications include stopping leaks in pipes, valves and tanks (i.e. car gas tanks), bonding like and unlike surfaces, filling metal joints, dents, etc., anchoring bolts in wood, concrete, and repairing metal surfaces. Bell Spec - Metalset™ A4 meets all quality requirements and can be certified to Bell Spec 299-947-099 Rev. D

Information provided by Reynolds Advanced Materials

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.43 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Barcol 71935
Tensile Strength 3600 psi
Elongation at Break 1.2 %
Modulus of Elasticity 160 ksiCompression
 165 ksiTension
Compressive Strength 7500 psi
Adhesive Bond Strength 800 psi
@Temperature 80.0 °C
Exposure: None; Substrate: AL 2024-T-3; ASTM D1002
 1000 psi
@Temperature -50.0 °C
Exposure: None; Substrate: AL 2024-T-3; ASTM D1002
 2400 psi
@Temperature 25.0 °C
Exposure: None; Substrate: AL 2024-T-3; ASTM D1002
 3100 psi
@Temperature 25.0 °C
Exposure: 30 days in tap water @ 25°C; Substrate: AL 2024-T-3; ASTM D1002
 3100 psi
@Temperature 25.0 °C
Exposure: 7 days in 100% RH @ 65°C; Substrate: AL 2024-T-3; ASTM D1002
 4300 psi
@Temperature 25.0 °C
Exposure: None; Substrate: Cold Rolled Steel; ASTM D1002
 
Thermal PropertiesOriginal ValueComments
Thermal Conductivity 0.418 W/m-K
Heat Distortion Temperature 83.0 °C
 
Processing PropertiesOriginal ValueComments
Cure Time 16.0 hourFull Cure Time
Pot Life 22.0 min
 
Descriptive Properties
ColorMetallic
Mix Ratio1A:1Bby volume
Mixed ViscosityPaste-like
Sag Resistance1/4”

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PREYN001 / 296702

Metal adhesives

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