PLEXIGLAS® Resist zk4BR by Roehm is an amorphous polymethylmethacrylate (PMMA). Exhibits excellent light transmission & brilliance, excellent weatherability, high mechanical strength, surface hardness and abrasion resistance. Offers better flowing behavior. It can be processed on extruders with 3-zone general purpose screws for thermoplastics. PLEXIGLAS® Resist zk4BR is suitable for extruding profiles and panels for use in lighting engineering. Used in lighting fixtures, displays and similar extruded items for technical purposes and is listed in AMECA.
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PLEXIGLAS® Resist zk4BR properties
Flammability properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Flame Rating, UL 94 | 0.0 Visible After Login | Visible After Login | Visible After Login |
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| 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 Strain | 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 |
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 |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| CTE, Linear | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Glass Transition Temperature (Tg) | 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 |
PLEXIGLAS® Resist zk4BR 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 | |