ITW Devcon® HP 250 Epoxy

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ITW Devcon® HP 250 Epoxy
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	High performance epoxy with high shear strength and impact toughness for structural assembly applications. Uses: Bonds metals, FRP/SMC composites, phenolics, stainless steel, aluminum, vinyl esters, nylon, PVC, PC, styrenics, wood, and rigid plastics. Features: Non-corrosive/outstanding chemical resistance, Excellent salt spray durability. Information provided by ITW Performance Polymers.
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Physical Properties	Original Value	Comments

Density	0.0392 lb/in³
	9.00 lb/gal	uncured
Solids Content	100 %
Viscosity	75000 cP	Hardener
	105000 cP	Mixed
	120000 cP	Resin

Mechanical Properties	Original Value	Comments
Hardness, Shore D	78
Elongation at Break	25 %
Adhesive Bond Strength	3200 psi	[GBS] @ 0.01" bondline. Cured 7 days @ 75°F. Lap Shear; ASTM D1002
Impact Test	12.3 ft-lb
Peel Strength	35.0 - 40.0 pli	ASTMf D1876

Electrical Properties	Original Value	Comments
Dielectric Strength	19.3 kV/mm

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	250 °F
Minimum Service Temperature, Air	-67.0 °F

Processing Properties	Original Value	Comments
Cure Time	168 hour	Full
	24.0 hour @Temperature 24.0 °C	Functional cure
	168 hour @Temperature 24.0 °C	As Tested
Pot Life	65.0 min @Temperature 22.2 °C

Descriptive Properties
Chemical/Solvent Resistance	Acetic Acid (diluted) 10%: excellent	30 day immersion at 75°F. Sample cured 7 days at RT
	Ammonia: excellent	30 day immersion at 75°F. Sample cured 7 days at RT
	Cutting oil: excellent	30 day immersion at 75°F. Sample cured 7 days at RT
	Ethanol: very good	30 day immersion at 75°F. Sample cured 7 days at RT
	Gasoline (unleaded): poor	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
	Isopropanol: very good	30 day immersion at 75°F. Sample cured 7 days at RT
	Mineral Spirits 10%: excellent	30 day immersion at 75°F. Sample cured 7 days at RT
	Motor Oil: excellent	30 day immersion at 75°F. Sample cured 7 days at RT
	Sodium Hydroxide 10%: very good	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%: very good	30 day immersion at 75°F. Sample cured 7 days at RT
Color	Straw	Uncured
Gap Filling (in)	Excellent
Mix Ratio by volume	2:1
Mix Ratio by weight	100:42
Specific Volume (in.³/lb)	25.5

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PITWD9220 / 239729

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