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.

Contact us: 01296 622180

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.

PropertiesMethodUnitNormal GradeHardcoat Grade
Specific GravityASTM D-7921.191.19
Refractive IndexASTM D-5421.491.49 (1.53)
ElongationASTM D-638%55
Tensile Rupture StrengthASTM D-638MPa7045
Flexural Rupture StrengthASTM D-790MPa11860
Impact Strength (Izod)ASTM D-256KJ/m22-----
Rockwell HardnessASTM D-785100-----
Heat Distortion TemperatureASTM D-648110110
Maximum Recommended Continuous Temperature8080
Coefficient Of Thermal ExpansionASTM D-696cm/cm/℃7 x 10-57 x 10-5
Coefficient Of Thermal ConductivityASTM D-177W/m℃0.170.17
Specific HeatJ/℃1.471.47
Hot Resistance80℃ x 100hrNo ChangeNo Change
Cold Resistance-40℃ x 100hrNo ChangeNo Change
Humid Resistance60℃ x 90% x 100hrNo ChangeNo Change
Thermal Cycle-40℃ ⇔ 80℃No ChangeNo Change
(10 cycles)
Surface ResistivityASTM D-257Ω>1016>1016
Volume ResistivityASTM D-257Ωcm>1016>1016
Pencil Hardness2~3H6~8H
Methyl Alcohol (50%)No ChangeNo Change
Ethyl Alcohol (50%)No ChangeNo Change
Soap Aqua SolutionNo ChangeNo Change
TolueneDissolvedNo Change
AcetoneDissolvedNo Change
BenzeneSwollenNo Change
Ethylene DichlorideDissolvedNo Change
Ethylene DichlorideDissolvedNo Change
FlammabilityUL standardThickness ≧0.8mm94HB94HB



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