PLEXIMID® TT70 by Roehm is a highly heat distortion resistant
poly(n-methyl methacrylimide) (PMMI). Exhibits excellent transmission and clarity, very high mechanical strength and rigidity and good weather resistance. Possesses high stability of the optical characteristics at long-lasting thermal load and highest heat deflection temperature under load. It is supplied as aluminum-laminated pellets of uniform size. PLEXIMID® TT70 is particularly suitable for processing by injection molding with standard 3-zone general purpose screws for thermoplastics. Used in applications that involve maximum thermal loads such as lenses, light guides, lighting fixtures and covers.
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PLEXIMID® TT70 properties
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Elongation at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Charpy | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Modulus of Elasticity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength at Break | 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 |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Classes of construction product | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melt Volume Flow Rate (MVR) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Water Absorption at Saturation | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Heat Deflection Temperature (HDT) | 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 |
| Vicat Softening Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
PLEXIMID® TT70 Processing Guidelines
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Melt Temperature | Visible After Login | Visible After Login | |
| Mold Temperature | Visible After Login | Visible After Login | |
| Pre-Drying Temperature | Visible After Login | Visible After Login | |
Injection molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Predrying Time in Desiccant-Type Drier | Visible After Login | Visible After Login | |