Lord Adhesives 320/310-B Epoxy Adhesive System

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Lord Adhesives 320/310-B Epoxy Adhesive System
Categories:	Polymer; Thermoset; Epoxy; Epoxy Adhesive
Material Notes:	LORD® 320/310-B adhesive is a two-component epoxy adhesive system used to bond cured rubber treated with LORD 7701 adhesion enhancer/surface modifier. This adhesive system also bonds metals and plastics, both thermosets and thermoplastics. Features: rapidly cures when heated at 200-325°F (93-162°C). provides good impact resistance down to -40°F (-40°C). contains no solvent, nonflammable and virtually odorless. resists humidity, salt spray and temperature extremes. resists postbakes up to 400°F (204°C). solvent resistant when cured; anti-corrosion processes including phosphatizing and ELPO (e-coat) coatings do not affect the adhesive or its bond strength. All information provided by Lord.
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Physical Properties	Metric	English	Comments

Density	1.20 - 1.32 g/cc	0.0433 - 0.0476 lb/in³	310-B Hardener
	1.23 - 1.32 g/cc	0.0446 - 0.0476 lb/in³	310-B Black Hardener
	1.50 - 1.55 g/cc	0.0541 - 0.0558 lb/in³	320 Resin
Solids Content	100 %	100 %	both mixtures, both 320/310-B and 320/310-B Black
Brookfield Viscosity	200000 - 700000 cP @Temperature 25.0 °C	200000 - 700000 cP @Temperature 77.0 °F	Brookfield HBF, Helipath, 5 rpm; 310-B Black Hardener
	230000 - 690000 cP @Temperature 25.0 °C	230000 - 690000 cP @Temperature 77.0 °F	Brookfield HBF, Helipath, 5 rpm; 310-B Hardener
	300000 - 1.00e+6 cP @Temperature 25.0 °C	300000 - 1.00e+6 cP @Temperature 77.0 °F	Brookfield HBF, Helipath, 5 rpm; 320 Resin

Thermal Properties	Metric	English	Comments
Minimum Service Temperature, Air	-40.0 °C	-40.0 °F
Flash Point	>= 93.0 °C	>= 199 °F	Seta, 320 Resin
	>= 93.0 °C	>= 199 °F	Seta, 310-B Hardener
	>= 93.0 °C	>= 199 °F	Seta, 310-B Black Hardener

Processing Properties	Metric	English	Comments
Pot Life	6.00 - 8.00 min	6.00 - 8.00 min	Time to Handling Strength, Mixed with hardener, both 320/310-B and 320/310-B Black
Working Life	0.500 - 1.00 min	0.500 - 1.00 min	Mixed with hardener, both 320/310-B and 320/310-B Black
Shelf Life	24.0 Month @Temperature 16.0 - 27.0 °C	24.0 Month @Temperature 60.8 - 80.6 °F	from date of manufacture in original, unopened container, all components

Descriptive Properties
Appearance	Black		310-B Black Hardener
	Grey Paste		310-B Hardener
	Off-white paste		320 Resin
Cured Appearance	Black		320/310-B Black
	Grey		320/310-B
Mix Ratio	1 to 1		by volume, resin to hardener, both 320/310-B and 320/310-B Black
	1.2 to 1		by weight, resin to hardener, both 320/310-B and 320/310-B Black
Mixed Appearance	Black Paste		320/310-B Black
	Grey paste		320/310-B

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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