Lord Adhesives 320 / 322 Epoxy Adhesive

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Lord Adhesives 320 / 322 Epoxy Adhesive
Categories:	Polymer; Adhesive; Thermoset; Epoxy; Epoxy Adhesive
Material Notes:	LORD® 320/322 adhesive is a general purpose, two component epoxy adhesive system formulated for primerless adhesion to automotive sheet molded compounds (SMC). This adhesive system also provides excellent adhesion to prepared metals, rubber, fiberglass reinforced plastics (FRP), polyester thermosets and thermoplastics, and many other materials. LORD 320/322 adhesive can be either room temperature cured or heat cured for faster processing. All information provided by Lord.
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Physical Properties	Metric	English	Comments

Density	1.23 - 1.26 g/cc	0.0444 - 0.0455 lb/in³	322 Hardener
	1.50 - 1.55 g/cc	0.0542 - 0.0560 lb/in³	320 Resin
Solids Content	100 %	100 %
Brookfield Viscosity	300000 - 1.00e+6 cP @Temperature 25.0 °C	300000 - 1.00e+6 cP @Temperature 77.0 °F	320 Resin; HBF, Helipath @ 5rpm, T-Bar Spindle D
	450000 - 2.00e+6 cP @Temperature 25.0 °C	450000 - 2.00e+6 cP @Temperature 77.0 °F	322 Hardener; HBF, Helipath @ 5rpm, T-Bar Spindle E

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	30.6 MPa	4440 psi	ASTM D882-83A (mod)
Elongation at Break	3.0 %	3.0 %	ASTM D882-83A (mod)
Modulus of Elasticity	1.59 GPa	230 ksi	ASTM D882-83A (mod)

Thermal Properties	Metric	English	Comments
Glass Transition Temp, Tg	80.0 °C	176 °F	ASTM E1640-99 (by DMA)
Flash Point	>= 93.0 °C	>= 199 °F	320 Resin; Closed Cup
	>= 93.0 °C	>= 199 °F	322 Hardener; Closed Cup

Processing Properties	Metric	English	Comments
Cure Time	1440 min @Temperature >=18.0 °C	24.0 hour @Temperature >=64.4 °F
Pot Life	20 - 40 min @Temperature 24.0 °C	20 - 40 min @Temperature 75.2 °F	54g mass
Shelf Life	12.0 Month @Temperature 21.0 - 27.0 °C	12.0 Month @Temperature 69.8 - 80.6 °F
	12.0 Month @Temperature 21.0 - 27.0 °C	12.0 Month @Temperature 69.8 - 80.6 °F

Descriptive Properties
Appearance	Gray		322 Hardener
	Gray		Mixed
	Off-white		320 Resin
Consistency	Paste		320 Resin
	Paste		322 Hardener
	Paste		Mixed
Mix Ratio	1.2:1		by weight; general purpose (-40 to 400ºF)
	1:1		by volume; general purpose (-40 to 400ºF)

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PLORD110 / 86118

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