| Category | Polymer , Thermoplastic , Acrylic (PMMA) , Acrylic, Impact Modified, Molded | 
| Manufacturer | Lucite International | 
| Trade Name | Diakon® | 
| Port | Ningbo port,China | 
| Trade Terms | FOB, CFR, CIF | 
| Payment Terms | L/C, T/T, Western Union | 
| Download PDF | Lucite International Diakon® ST25G7 Toughened Acrylic Compound.pdf  | 
| Price | EMAIL US sales@lookpolymers.com | 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Density | 1.17 g/cc | 0.0423 lb/in³ | ISO 1183 | 
| Water Absorption | 0.32 % | 0.32 % | ISO 62 | 
| Linear Mold Shrinkage | 0.0040 - 0.0070 cm/cm | 0.0040 - 0.0070 in/in | |
| Melt Flow | 4.8 g/10 min | 4.8 g/10 min | ISO 1133 | 
| Mechanical Properties | Metric | English | Comments | 
|---|---|---|---|
| Hardness, Rockwell M | 69 | 69 | ISO 2039-2 | 
| Tensile Strength | 58.0 MPa | 8410 psi | ISO 527 | 
| Elongation at Break | 15 % | 15 % | ISO 527 | 
| Flexural Strength | 80.0 MPa | 11600 psi | ISO 178 | 
| Flexural Modulus | 2.40 GPa | 348 ksi | ISO 178 | 
| Izod Impact, Notched (ISO) | 3.40 kJ/m² | 1.62 ft-lb/in² | ISO 180/1A | 
| Charpy Impact, Notched | 0.350 J/cm² | 1.67 ft-lb/in² | ISO 179/1eA | 
| 4.20 J/cm² | 20.0 ft-lb/in² | ISO 179/1eU | 
| Thermal Properties | Metric | English | Comments | 
|---|---|---|---|
| CTE, linear | 100 µm/m-°C | 55.6 µin/in-°F | ASTM E831 | 
| Vicat Softening Point | 94.0 °C | 201 °F | ISO 306B | 
| 104 °C | 219 °F | ISO 306A | |
| Heat Distortion Temperature | 92.0 °C | 198 °F | ISO 75A | 
| Flammability, UL94 | HB | HB | |
| Glow Wire Test | 650 °C | 1200 °F | IEC 695-2-1 | 
| Optical Properties | Metric | English | Comments | 
|---|---|---|---|
| Refractive Index | 1.49 | 1.49 | ISO 489 | 
| Haze | 2.0 % | 2.0 % | ASTM D1003 | 
| Transmission, Visible | 91 % | 91 % | ASTM D1003 |