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ACRYLITE® Sheet 249
| Category: | Acrylic (PMMA) , Polymethyl Methacrylate Acrylic |
| Manufacturer: | Evonik Cyro LLC |
| Trademark: | ACRYLITE® Sheet |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | 3M6W9x_ACRYLITE-Sheet-249.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
Wechat:
| Message |
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| ACRYLITE® 249 acrylic sheet meets and is certified to MIL-P-8184F (Type II, Class 2). ACRYLITE® 249 is a cross-linked cast acrylic sheet with increased resistance to crazing and solvent attack, as well as improved dimensional stability after heating. This specification requires optical quality cast acrylic sheet that is superior to conventional acrylic sheet. ACRYLITE® 249 sheet is used in a wide variety of aviation and ground vehicle transparencies in monolithic or laminated form. |
| General Information | |
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| Features |
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| Uses |
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| Agency Ratings |
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| Appearance |
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| Forms |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.19 | g/cm³ | ASTM D792 |
| Water Absorption (24 hr) | 0.13 | % | ASTM D570 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength | 80.3 | MPa | ASTM D638 |
| Tensile Elongation (Yield) | 4.4 | % | ASTM D638 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (1.8 MPa, Unannealed) | 112 | °C | ASTM D648 |
| CLTE - Flow | 5.6E-5 | cm/cm/°C | ASTM D696 |
| Flammability | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Burning Rate (12.7 mm) | 21 | mm/min | ASTM D635 |
| Optical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Transmittance | |||
| -- 1 | 92.5 | % | ASTM D1003 |
| -- 2 | 92.6 | % | Internal Method |
| Haze | |||
| -- 3 | 0.70 | % | ASTM D1003 |
| -- 4 | 0.30 | % | Internal Method |
| Additional Information | Nominal Value | Unit | |
|---|---|---|---|
| Craze Resistance 5 | |||
| Dry: Isopropanol | 21.7 | MPa | |
| Dry: Toluene/Isobutyl Acetate | 14.5 | MPa | |
| Wet: Isopropanol | 15.9 | MPa | |
| Wet: Toluene/Isobutyl Acetate | 11.1 | MPa | |
| Internal Strain 6 | 0.30 | % |
| Note Message | |
|---|---|
| 1 . | After Accelerated Weathering |
| 2 . | Initial (MIL-P-8184F) |
| 3 . | After Accelerated Weathering |
| 4 . | Initial (MIL-P-8184F) |
| 5 . | MIL-P-8184F |
| 6 . | MIL-P-8184F |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| SCANAMID 6 B12^ F20 NH6 | Polykemi AB | Nylon 6 | SCANAMID 6 |
| THERMOLAST® M TM3MED (Series: MC/tl) | KRAIBURG TPE | TPE | THERMOLAST® M |
| VENYL UFRG204 | AD majoris | Nylon 66 | VENYL |
| FHR Polypropylene P5L2Z-038 | Flint Hills Resources, LP | PP Random Copolymer | FHR Polypropylene |
| Kepex® 3740GM7 | Korea Engineering Plastics Co., Ltd | PBT+PET | Kepex® |
