ITW Plexus® MA832 Methacrylate Adhesive

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ITW Plexus® MA832 Methacrylate Adhesive
Categories:	Polymer; Adhesive; Thermoset; Methacrylate; Methacrylate Adhesive
Material Notes:	Plexus® MA832 is an advanced two-part methacrylate adhesive designed for structural bonding of metals without primers. In addition, MA832 does a superb job of bonding thermoplastic and composite assemblies with little to no surface preparation. Combined at a 10:1 ratio, MA832 has a working time approximately 14 minutes and achieves approximately 500 psi (3.5 MPa) in 55 minutes. This product provides a unique combination of high strength, excellent fatigue endurance, outstanding impact resistance, and superior toughness. Plexus MA832 is available in gray and is supplied ready-to-use as a non-sagging gel. Excellent resistance to: ? Hydrocarbons ? Acids and Bases (pH 3-10) ? Salt Solutions. Susceptible to: ? Polar Solvents ? Strong Acids and Bases. Recommended for: ? ABS ? Acrylics ?Aluminum ? Epoxies ? FRP ? Gel coats ? PVC ? Polyesters (including DCPD modified) ? Steel (Exterior applications require the use of coatings or primers that inhibit oxidation of the steel.) ? Styrenics ? Urethanes (general) ? Vinyl Esters. Adhesive color: off white, uncured-room temperature. Activator color: gray or gray GB, uncured-room temperature. Information provided by ITW Performance Polymers.
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Physical Properties	Metric	English	Comments

Density	0.966 g/cc	0.0349 lb/in³	adhesive. Uncured.
	0.979 g/cc	0.0354 lb/in³	Cured
	1.09 g/cc	0.0394 lb/in³	Activator. Uncured.
	1.11 g/cc	0.0400 lb/in³	Activator. Uncured.
Volatile Organic Compounds (VOC) Content	<= 10 g/l	<= 10 g/l	During cure
Viscosity	35000 - 80000 cP @Temperature 22.2 °C	35000 - 80000 cP @Temperature 72.0 °F	Activator
	80000 - 130000 cP @Temperature 22.2 °C	80000 - 130000 cP @Temperature 72.0 °F	Adhesive

Mechanical Properties	Metric	English	Comments
Tensile Strength	18.6 - 20.7 MPa	2700 - 3000 psi	ASTM D638
Elongation at Break	30 - 60 %	30 - 60 %	ASTM D638
Tensile Modulus	0.483 - 0.689 GPa	70.0 - 100 ksi	ASTM D638
Adhesive Bond Strength	13.8 - 19.3 MPa	2000 - 2800 psi	Lap Shear Cohesive Strength; ASTM D1002

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	82.2 °C	180 °F
Minimum Service Temperature, Air	-40.0 °C	-40.0 °F
Flash Point	10.6 °C	51.0 °F

Processing Properties	Metric	English	Comments
Working Life	12.0 - 16.0 min @Temperature 23.3 °C	12.0 - 16.0 min @Temperature 74.0 °F
Shelf Life	10.0 Month	10.0 Month	Activator (B side)
	10.0 Month	10.0 Month	Adhesive (A side)
	10.0 Month	10.0 Month	Cartridges

Descriptive Properties
Fixture Time (mins)	55 to 60		74°F cure. Varies with bond gap and temperature.
Gap Filling (in)	0.012 to 0.5		Room temperature cure.
Mix Ratio by volume	10 to 1		Adhesive to Activator. Room temperature
Mix Ratio by weight	8.86 to 1.0 or 1.02		Adhesive to Activator. Room temperature

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PITWP9006 / 239516

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