myTechnical Documents
CYRO® R30 and R40 acrylic-based multipolymer molding and extrusion compounds feature a new level of optical quality, minimizing cold mold haze on molded articles.
Details
Product Type
Applications
Producer
Supplier
Advantages
- outstanding appearance
- high durability features
- easy to process, as demonstrated by spiral flow characteristics
- For a rigid material, they demonstrate excellent cold temperature properties
- strong combination of chemical resistance
- melt strength
- ductility
Technical data
| Quantity | Value | Unit | Comment |
|---|---|---|---|
| Appearance Properties | |||
| Refractive index | 1.52 | ASTM D542 | |
| Physical Properties | |||
| Linear Mold Shrinkage | 0.0040 - 0.0070 | cm/cm | ASTM D551 |
| MFI | 12 | g/10min | ASTM D1238@Load 5.00 kg, Temperature 230 °C |
| Specific Gravity | 1.07 | ASTM D792 | |
| Thermal Properties | |||
| Dry Time | 180 - 240 | min | |
| Vicat softening temperature | 88.0 | ºC | ASTM D1525 |
| Melting point | 227 | ºC | |
| Heat Deflection temperature | 68.9 | ºC | ASTM D648; at 1.8 MPa |
| Thermal Expansion | 72.0 | µm/m-°C | ASTM D696@Temperature 0.000 -100 °C;Linear |
| Flameability | |||
| Mechanical Properties | |||
| Izod impact strength (notched) | 64.1 | J/m | ASTM D256@Thickness 6.35 mm, Temperature 0.000 °C |
| Flexural strength | 55.8 | MPa | ASTM D790 |
| Elongation at yield | 4.3 | % | ASTM D638 |
| Rockwell Hardness | 40 | Rockwell L; ASTM D785 | |
| Tensile modulus-MD | 1700 | MPa | ASTM D638 |
| Tensile Stress at yield-MD | 34.5 | MPa | ASTM D638 |
| Elongation at break-MD | 27 | % | ASTM D638 |
| Flexural modulus-MD | 1400 | MPa | ASTM D790 |
| Izod impact strength (notched) | 74.7 | J/m | ASTM D256@Thickness 6.35 mm, Temperature 23.0 °C |
| Compressive Strength | 36.5 | MPa | ASTM D695 |
| Chemical Properties | |||
| Water absorption | <0.30 | % | ASTM D570 |
| Optical Properties | |||
| Haze | 2.0 | % | ASTM D1003 |
| Transmittance | 88 | % | ASTM D1003;Visible |
| Process Properties | |||
| Drying Temperature | 71.1 | ºC | 3-4hrs |
| Mold Temperature | 48.9 | ºC | |
| Middle Barrel Temperature | 221 | ºC | |