Devcon® MA2807 is an advanced non-conductive, low halogen content two-part methacrylate adhesive designed for the structural bonding of various assemblies1. In addition, MA2807 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 1:1 ratio by volume, MA2807 has a working time of approximately 8 minutes and achieves 100 psi in approximately 35 minutes and 500 psi in approximately 45 minutes on Al 6061 at 75°F. This product provides a unique combination of high strength, excellent fatigue endurance, outstanding impact resistance, and superior toughness.

Characteristics-Room Temperature Cure

Working Time², min	7-10
Fixture Time3, min	32-36
Operating Temp., °F(°C)	-40 to 250 (-40 to 121)
Gap Filling7, in.(mm)	Up to 0.25(6.4)
Mixed Density, lbs/gal(g/cc)	7.95(0.95)
Flash Point, °F(°C)	51(11)

Chemical Resistance

Excellent resistance to:	Susceptible to:
Hydrocarbons	Polar Solvents
Acids and Bases (3-10pH)	Strong Acids and Bases
Salt Solutions

Typical Physical Properties (Uncured)—Room Temp

	Adhesive	Activator
Viscosity, cP(×1000)	25-50	40-60
Color	Off-White	Yellow
Density, lbs/gal(g/cc)	7.92 （0.95）	8.01（0.96）
Mix Ratio by Volume	1.0	1.0
Mix Ratio by Weight	1.0	1.0
Mixer Recommendation	Cartridge (400ml):	MC 10:24
	Bulk:	See back & refer to ITW Devcon

Mechanical Properties (Cured)-Room Temperature

Tensile (ASTM D638)

Strength, psi(Mpa)	3994-4146(27.5-28.7)
Modules, psi(Mpa)	139,200-166,025(960-1145)
Strain to Failure(%)	10-30

Lap Shear (ASTM D1002)

Cohesive Strength,

psi(Mpa)

2,297-2,459(15.8-17.0) at

0.012 in. gap(0.3mm)

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