ZEONEX® K26R by Zeon Chemical is a water insoluble, odorless, colorless cyclic olefin polymer (COP) grade. Exhibits high flow, excellent optical properties, low birefringence, excellent mold processability and low water absorption. Possesses high transparency, high ABBE number, ultra-low moisture absorption, very low haze and good precision moldability. Can be processed by injection molding. ZEONEX® K26R is recommended for optical mirrors & lenses for automotive heads-up displays (HUD), driver assist cameras, mobile device camera lenses, near-eye display, wearable optics and f-theta lenses.
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ZEONEX® K26R properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Flexural Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Hardness | 0.0 Visible After Login | Visible After Login | Visible After Login |
Optical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Refractive Index | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Transmittance, Visible | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Linear Mold Shrinkage | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Water Absorption | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Glass Transition Temperature (Tg) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Heat Deflection Temperature (HDT) | 0.0 Visible After Login | Visible After Login | Visible After Login |
ZEONEX® K26R Processing Guidelines
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Back Pressure | Visible After Login | Visible After Login | |
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| Barrel Nozzle Temperature | Visible After Login | Visible After Login | |
| Injection Speed | Visible After Login | Visible After Login | |
| Melt Temperature | Visible After Login | Visible After Login | |
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| Pre heat Temperature | Visible After Login | Visible After Login | |
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| Screw Speed | Visible After Login | Visible After Login | |