Lord Adhesives 7556 Urethane Adhesive, 7556-A/B Resin Adhesive System

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Lord Adhesives 7556 Urethane Adhesive, 7556-A/B Resin Adhesive System
Categories:	Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Adhesive
Material Notes:	LORD® 7556 adhesive is an equal-mix, two-component clear urethane adhesive system used to bond Lexan®, ABS, polycarbonate and other plastics. This adhesive will also bond primed metals. Features: Does not require explosion-proof equipment. Does not contain ozone depleting chemicals. Resists sunlight, weathering, humidity and salt spray. Solvent resistant when cured. Painting and most cleaning processes do not affect bond strength. Remains in position when applied on vertical or overhead surfaces, allowing for greater process flexibility. All information provided by Lord.
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Physical Properties	Original Value	Comments

Density	9.20 - 9.60 lb/gal	B Curative
	9.64 - 10.04 lb/gal	A Resin
Solids Content	100 %	by weight, mixed with resin
Viscosity Measure	95000 - 300000 cSt
	40000 - 160000 cSt @Temperature 25.0 °C

Thermal Properties	Original Value	Comments
Flash Point	>= 93.0 °C	closed cup

Processing Properties	Original Value	Comments
Pot Life	60.0 min @Temperature 25.0 °C	time to handling strength, mixed with resin
Working Life	3.00 - 5.00 min @Temperature 25.0 °C	working time, mixed with resin
Shelf Life	6.00 Month @Temperature 21.0 - 27.0 °C	in original, unopened container

Descriptive Properties
Appearance	Translucent Paste	A Resin
	Translucent Paste	B Curative
Mix Ratio	1 to 1	by volume, resin to curative

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PLORD9138 / 232526

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