The solid sheets are equally suitable for manufacturing structured Fresnel lenses by hot embossing and as a substrate for manufacturing laminated lenses, which involves laminating structured films or injection-molded lenses into the sheets. Their special properties are precise mold surface reproduction, high transmittance and excellent resistance to weathering and UV light. The new Acrylite® Solar Pre-Fab Lens Panel provides assemblers with a high precision CPV primary optical element optimized for use in the Ventana Optical Train. It utilizes Light Prescriptions Innovators’ (LPI) patented Fresnel-Kohler (FK) Concentrator design and is manufactured in proprietary access.
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Acrylic
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| Type | Size | Length | Color |
|---|---|---|---|
| Sheet | 3 & 4mm | 1,219 x 2,438 mm | |
| Tube |
Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.
| Physical Properties | Units | ASTM | Results |
|---|---|---|---|
| Density | ISO 1183 | 1.19 |
| Mechanical Properties | Units | ASTM | Results |
|---|---|---|---|
| Tensile Strength @ yield | psi | D638 | |
| Tensile Modulus | MPa | ISO 527 | 3300 |
| Tensile Elongation @Break | % | D638 | |
| Flexural Strength | MPa | ||
| Flexural Modulus | psi | ||
| Compressive Strength | psi | D695 | |
| IZOD Impact Strength Notched | kJ.m^2 | D256 |
| Thermal Properties | Units | ASTM | Results |
|---|---|---|---|
| Coeffcient of Linear Thermal Expansion | ISO 11359 | 8 | |
| Expansion Due to Heat & Moisture | ft | ||
| Maximum Service Temperature | °F | ||
| Smoke Density Rating | % | D2843 | |
| Rate of Burn | D635 |
| Electrical Properties | Units | ASTM | Results |
|---|---|---|---|
| Surface Resistivity @60 Hz | ohms/sq | D257 | |
| Volume Resistivity, 50% RH | ohm-cm | D250 |
| Optical Properties | Units | ASTM | Results |
|---|---|---|---|
| Lumminous Transmission | % | 92 | |
| Refractive Index | % | D542 |
NOTE: Several grades of this material are available. For additional information regarding this plastic, contact your Emco Industrial Plastics representative or call 973-947-6000.