ITW Devcon® Tru-Bond™ LOCA 5000 Coating

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ITW Devcon® Tru-Bond™ LOCA 5000 Coating
Categories:	Polymer; Thermoset
Material Notes:	Devcon® Tru-Bond™ LOCA products are high clarity, fast curing, UV light curing products. They are engineered to eliminate the air gap between the cover lens of touch panels and display devices. These liquid dispensed, ultra-low hardness products help reduce stresses that contribute to Mura while helping to increase the impact resistance and durability of the assembly. Cure as tested: LED 365 lamp, illumination intensity= 150mV/cm², total energy 1500 mJ/cm² Information provided by ITW Performance Polymers.
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Physical Properties	Original Value	Comments

Specific Gravity	0.960 g/cc	uncured
	0.990 g/cc	cured
Brookfield Viscosity	5000 cP	Brookfield RV Spindle 4, 10 rpm

Mechanical Properties	Original Value	Comments
Hardness, Shore D	35	ASTM D2240
Tensile Strength	14.5 psi	ASTM D638
Elongation at Break	600 %	ASTM D638

Electrical Properties	Original Value	Comments
Dielectric Constant	5.5 @Frequency 1e+6 Hz	cured.

Thermal Properties	Original Value	Comments
Glass Transition Temp, Tg	-61.0 °C	cured
Shrinkage	2.33 %

Optical Properties	Original Value	Comments
Refractive Index	1.46	cured
Haze	<= 0.40 %	After 500 cycles @ -40°C (30min) to 85°C (30min); ASTM D1003
	<= 0.40 %	After 500 hours @ 85°C; ASTM D1003
	<= 0.40 %	After 500 hours @ 85°C/85% RH; ASTM D1003
	<= 0.40 %	After 500 hours exposure to 0.89 W/m² UV light @ 50°C; ASTM D1003
	<= 0.40 % @Thickness 0.100 mm	0.1 mm thick layer adhesive between 2 pcs 1 mm thick panel glass; ASTM D1003
Transmission, Visible	>= 99.5 % @Wavelength 550 nm	0.1 mm thick layer adhesive between 2 pcs 1 mm thick panel glass; ASTM D1003
	>= 99.5 % @Wavelength 550 nm	After 500 cycles @ -40°C (30 min) to 85°C (30 min); ASTM D1003
	>= 99.5 % @Wavelength 550 nm	After 500 hours @ 85°C; ASTM D1003
	>= 99.5 % @Wavelength 550 nm	After 500 hours @ 85°C/85% RH; ASTM D1003
	>= 99.5 % @Wavelength 550 nm	After 500 hours exposure to 0.89 W/m² UV light @ 50°C; ASTM D1003

Descriptive Properties
Color	Clear liquid	Uncured
Storage Modulus (kPa)	12

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PITWD9224 / 239733

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