Devcon® MA2805 is an advanced nonconductive, low halogen content two-part methacrylate adhesive designed for the structural bonding of various electronic assemblies. In addition, MA2805 does a superb job of bonding of metals without primers, and engineered thermoplastics and composite assemblies with little to no surface preparation. Combined at a 10:1 ratio by volume, MA2805 has a working time of approximately 3 minutes and achieves 0.35MPa(50 psi) in approximately 10 minutes and 3.45MPa(500 psi) in approximately 20 minutes on Al6061 at 23oC(73oF). This product provides a unique combination of high strength, excellent fatigue endurance, outstanding impact resistance, and superior toughness.

APPLICATION

Bonding

Typical Properties

PRODUCT CHARACTERISTICS

Chemical Class	Acrylic
Appearance(Part A)	Off-white
Appearance(Part B)	Blue or black
Appearance(mixed)	Light blue or black
Components	Two component-requires mixing
Mix Ratio by Volume	Part A: Part B=10:1
Application	Bonding Solutions

TYPICAL PROPERTIES OF UNCURED MATERIALS

Density @ 23 ^oC (73 ^oF), g/cc(lbs./gal)	0.97(8.10)
Viscosity@ 25 ^oC TB92, 10 rpm, cps	45,000-70,000
Shelf life, mos	9
Part B:
Density @ 23 ^oC (73 ^oF), g/cc(lbs./gal) Viscosity@ 25 ^oC TB92, 10 rpm, cps	0.95(7.93) 25,000-45,000
Shelf life, mos	13
Mixed:
Mix ratio by weight, Part A : Part B	10:1
Mix ratio by Volume, Part A : Part B	10:1
Density @ 23 ^oC (73 ^oF), g/cc (lbs./gal)	0.95(7.95)
Gap Filling, mm(in)	Up to 6.4(0.25)
Work Time @ 23 ^oC (73 ^oF) min	3-4
Ionic Contaminants, ppm

TYPICAL PROPERTIES OF CURED MATERIALS

Adhesive Properties:

Lap Shear Strength @ 23 oC(73 oF), MPa(psi)

Al6061, ASTM D1002

G60, ASTM D1002

13.5-15.5(1958-2248)

16.5-18.5(2393-2683)

Resources

TDS:Download

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