CLAREX High Temp Precision Sheet W7 001

CLAREX Precision W7 001 Optical Grade Acrylic (pmma) with Operating Temperature of 90-95ºC

Optical Grade Precision Sheet 001 with enhanced Heat Resistance.
Continuous operating temperature to 90-95℃
Light Transmission of 93%
2H surface hardness.
No birefringence or double refraction.
Available from 0.2mm thickness
Addition of Specialised High Temperature Hard Coat increases surface hardness to 6-8H
Non-Glare surface texture can also be applied
Anti-Reflection Coating surface treatment also available for improved light transmission
Many standard substrate colours available or colour matching also available.
Versatile substrate suitable for laser cutting, milling, printing, forming etc.

CLAREX High Temp Precision Sheet W7 001 Product Specification Data:

Wide range of applications where the environment and application demand a higher continuous operating temperature from the cell cast optical acrylic.

Please see below for a selection from our standard colour range. Please note we offer colour matching available to meet your requirements, contact us to learn more.

0.2mm to 5.0mm (in 0.1mm increments)

Please contact us if you require another thickness.

400 x 550mm (from 0.2mm thickness)

Please contact us if you require another size.

Properties	Method	Unit	Normal Grade	Hardcoat Grade
Specific Gravity	ASTM D-792		1.19	1.19
Optical
Refractive Index	ASTM D-542		1.49	1.49 (1.53)
Mechanical
Elongation	ASTM D-638	%	5	5
Tensile Rupture Strength	ASTM D-638	MPa	70	45
Flexural Rupture Strength	ASTM D-790	MPa	118	60
Impact Strength (Izod)	ASTM D-256	KJ/m2	2	-----
Rockwell Hardness	ASTM D-785		100	-----
Thermal
Heat Distortion Temperature	ASTM D-648	℃	110	110
Maximum Recommended Continuous Temperature		℃	80	80
Coefficient Of Thermal Expansion	ASTM D-696	cm/cm/℃	7 x 10-5	7 x 10-5
Coefficient Of Thermal Conductivity	ASTM D-177	W/m℃	0.17	0.17
Specific Heat		J/℃	1.47	1.47
Durability
Hot Resistance		80℃ x 100hr	No Change	No Change
Cold Resistance		-40℃ x 100hr	No Change	No Change
Humid Resistance		60℃ x 90% x 100hr	No Change	No Change
Thermal Cycle		-40℃ ⇔ 80℃	No Change	No Change
		(10 cycles)
Electrical
Surface Resistivity	ASTM D-257	Ω	＞1016	＞1016
Volume Resistivity	ASTM D-257	Ωcm	＞1016	＞1016
Pencil Hardness			2~3H	6~8H
Chemical
Methyl Alcohol (50%)			No Change	No Change
Ethyl Alcohol (50%)			No Change	No Change
Soap Aqua Solution			No Change	No Change
Toluene			Dissolved	No Change
Acetone			Dissolved	No Change
Benzene			Swollen	No Change
Ethylene Dichloride			Dissolved	No Change
Adhesion			K-5400	100/100
Ethylene Dichloride			Dissolved	No Change
Flammability	UL standard	Thickness ≧0.8mm	94HB	94HB

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