ITW Devcon® Wear Guard™ High Temp 450 Wear-Resistant Epoxy Compound

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ITW Devcon® Wear Guard™ High Temp 450 Wear-Resistant Epoxy Compound
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	High-density, ceramic bead-filled epoxy system for maximum wear and abrasion resistance in high-temperature applications. Uses: Repair scrubbers, ash handling systems, pipe elbows, screens, and chutes; recontour chippers, bins, hoppers, bunkers, separators, diester tables; protect exhausters, chutes, launderers, housing fans, crushers, and breakers. Features: Provides up to 30% better abrasion resistance than conventional wear compounds, Unmatched resistance to acids, bases, salts, and solvents, Services temperatures to 450°F, Excellent adhesion to metal, ceramic, and concrete. Information provided by ITW Performance Polymers.
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Physical Properties	Original Value	Comments

Specific Gravity	1.94 g/cc	Cured
Solids Content	100 %

Mechanical Properties	Original Value	Comments
Hardness, Shore D	87
Tensile Strength	4600 psi
Flexural Strength	8220 psi	ASTM D790
Compressive Strength	13200 psi	ASTM D695
Adhesive Bond Strength	2300 psi	Adhesive Tensile Shear; ASTM D1002

Electrical Properties	Original Value	Comments
Dielectric Constant	38	ASTM D150

Thermal Properties	Original Value	Comments
CTE, linear	27.0 µin/in-°F	ASTM D696
Maximum Service Temperature, Air	150 °F	Temperature Resistance - Wet
	450 °F	Temperature Resistance - Dry
Shrinkage	0.10 %	Linear During cure; ASTM D2566

Processing Properties	Original Value	Comments
Cure Time	168 hour @Temperature 24.0 °C	As Tested
Pot Life	120 min @Temperature 23.9 °C

Descriptive Properties
Chemical/Solvent Resistance	1,1,1-Trichloroethane: excellent	30 day immersion at 75°F. Sample cured 7 days at RT
	Gasoline (Unleaded): excellent	30 day immersion at 75°F. Sample cured 7 days at RT
	Hydrochloric 36%: excellent	30 day immersion at 75°F. Sample cured 7 days at RT
	Hydrochloric Acid 10%: excellent	30 day immersion at 75°F. Sample cured 7 days at RT
	Methanol: fair	30 day immersion at 75°F. Sample cured 7 days at RT
	Methyl Chloride: poor	30 day immersion at 75°F. Sample cured 7 days at RT
	Methyl Ethyl Ketone: fair	30 day immersion at 75°F. Sample cured 7 days at RT
	Nitric Acid 10%: very good	30 day immersion at 75°F. Sample cured 7 days at RT
	Phosphoric Acid 10%: very good	30 day immersion at 75°F. Sample cured 7 days at RT
	Potassium Hydroxide 40%: excellent	30 day immersion at 75°F. Sample cured 7 days at RT
	Sodium Hydroxide 50%: excellent	30 day immersion at 75°F. Sample cured 7 days at RT
	Sodium Hypochlorite: excellent	30 day immersion at 75°F. Sample cured 7 days at RT
	Sulfuric Acid 10%: excellent	30 day immersion at 75°F. Sample cured 7 days at RT
	Toluene: excellent	30 day immersion at 75°F. Sample cured 7 days at RT
	Trisodium Phosphate: excellent	30 day immersion at 75°F. Sample cured 7 days at RT
Color	Gray	Cured
Coverage	60 sq.in/lb	Cured @ 1/4"
Mix Ratio by volume	6:1
Mix Ratio by weight	13:7:1
Recoat Time	2 to 4 hrs
Specific Volume (in.³/lb)	14.3	Cured
Viscosity	Non-sag putty. Mixed

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PITWD9178 / 239688

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