Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PMMA Elvakon® 4490 LUCITE UK
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Tread rubber
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Plastic Datasheets
| Impact resistance | Test Condition | Test Method | LUCITE UK/Elvakon® 4490 |
|---|---|---|---|
| Impact strength of cantilever beam gap | ISO 180/1A | 8.1 kJ/m² | |
| Impact strength of simply supported beam without notch | ISO 179/1eU | 120 kJ/m² | |
| Charpy Notched Impact Strength | ISO 179/1eA | 9.3 kJ/m² |
| hardness | Test Condition | Test Method | LUCITE UK/Elvakon® 4490 |
|---|---|---|---|
| Rockwell hardness | M级 | ISO 2039-2 | 72 |
| Mechanical properties | Test Condition | Test Method | LUCITE UK/Elvakon® 4490 |
|---|---|---|---|
| tensile strength | ISO 527-2 | 29.0 MPa | |
| Tensile strain | 断裂 | ISO 527-2 | 59 % |
| Flexural modulus | ISO 178 | 1200 MPa | |
| bending strength | ISO 178 | 38.0 MPa |
| optical performance | Test Condition | Test Method | LUCITE UK/Elvakon® 4490 |
|---|---|---|---|
| transmissivity | ASTM D1003 | 88.5 % | |
| refractive index | ISO 489 | 1.490 |
| physical property | Test Condition | Test Method | LUCITE UK/Elvakon® 4490 |
|---|---|---|---|
| melt mass-flow rate | 230°C/3.8kg | ISO 1133 | 3.9 g/10min |
| Water absorption rate | 平衡,23°C,50%RH | ISO 62 | 0.38 % |
| density | ISO 1183 | 1.13 g/cm³ |
| Thermal performance | Test Condition | Test Method | LUCITE UK/Elvakon® 4490 |
|---|---|---|---|
| Heat distortion temperature | 1.8MPa,未退火，HDT | ISO 75-2/A | 60.0 °C |
| vicat | -- | ISO 306/B | 66.0 °C |
| -- | ISO 306/A | 84.0 °C |
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