Description: PLEXIGLAS® Superclear 99560 MR2R is an extruded PMMA sheet with a mar resistant coating on both surfaces. Information provided by degussa.
Details
Product Type
Producer
Supplier
Advantages
- It has no observable haze
- very smooth surface
- no light absorption
- very tight thickness tolerance
- Superclear
Other Applications
The product has been developed for applications with highest demands on optical and surface quality.
Technical data
Quantity | Value | Unit | Comment |
---|---|---|---|
Number of Inclusions | <7 | per m2 | Magnification Lens;(0.25 mm to 0.65 mm) |
Number of Inclusions | <30 | per m2 | Magnification Lens;(0.1 mm to 0.25 mm) |
Number of Inclusions | <1 | per m2 | Magnification Lens;(0.65 mm to 1.65 mm) |
Sound Velocity | 2700 - 2800 | m/s | at room temperature |
Appearance Properties | |||
Refractive index | 1.491 | ISO 483 | |
Physical Properties | |||
Density | 1.19 | g/ml | ISO 1183 |
Thermal Properties | |||
U Value | 5.8 | W/m² | DIN 4701; for 1 mm |
U Value | 5.6 | W/m² | DIN 4701; for 2 mm |
Thermal Expansion | 70.0 | µm/m-°C | DIN 53752A@Temperature 0.000-50.0 °C;linear |
Vicat softening temperature | 102 | ºC | ISO 306, Method B 50 |
Specific Heat Capacity | 1.47 | J/gºC | |
Heat Deflection temperature | 95.0 | ºC | ISO 75;at 0.46 MPa |
Heat Deflection temperature | 90.0 | ºC | ISO 75;at 1.8 MPa |
Maximum Service Temperature | 70.0 | ºC | |
Thermal Conductivity | 0.19 | W/mk | DIN 52612 |
flash point | 430 | ºC | Ignition Temperature; DIN 51794 |
Flameability | @Thickness 1.60 mm | ||
Mechanical Properties | |||
Tensile modulus-MD | 3300 | MPa | Short Time Value; ISO 527-2/1B/1 |
Elongation at break-MD | 4.5 | % | Nominal; ISO 527-2 1B/50 |
Pencil Hardness | 6 | H | ASTM D3363, ISO 15184, KSD6711:1992 (Results may vary with different pencil sets.) |
Flexural strength | 105 | MPa | 80x10x4 mm; ISO 178 |
Tensile Stress at break-MD | 72.0 | MPa | ISO 527-2/1B/5 |
Ball indentation Hardness | 175 | MPa | H961/30; ISO 2039-1 |
(Izod impact strength(notched | 1.60 | kJ/m² | ISO 180/1A |
Abrasion | <1.0 | % Haze, Abrasion resistance in Taber abrader test (100 rev.;5.4 N; CS-10F); ISO 9352 | |
(Charpy Impact Strength(unnotched | 15.0 | kJ/m² | ISO 179/1fU |
Tensile Stress at break-MD | 100 | MPa | ISO 527-2/1B/5@Temperature -40.0 °C |
Tensile strength | 35.0 | MPa | ISO 527-2/1B/5@Temperature 70.0 °C |
Compressive Strength | 103 | MPa | ISO 604; at Yield |
Optical Properties | |||
Transmittance | >93 | % | DIN 5036, Part 3;visible |
Reflection Coefficient | 0.033 | Visible (0-1); Reflection loss in the visible range (for each surface) | |
Absorption in the Visible Range | <0.05 | % | |
Transmittance | <1.0 | % | UV |
Haze | <0.50 | % | ASTM D1003 |
Electrical Properties | |||
Dielectric Strength | 30.0 | Kv/mm | DIN VDE 0303, Part 2 |
Dissipation Factor | 0.030 | DIN VDE 0303, Part 4@Frequency 100000 Hz | |
Dissipation Factor | 0.060 | DIN VDE 0303, Part 4@Frequency 50 Hz | |
Surface Resistance | >1.00e+12 | ohm | DIN VDE 0303/3 |
Volume resistance | >1.00e+15 | ohm-cm | DIN VDE 0303/3 |
Dielectric Constant | 2.8 | DIN VDE 0303, Part 4@Frequency 100000 Hz | |
Dielectric Constant | 3.7 | DIN VDE 0303, Part 4@Frequency 50 Hz |
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