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Diakon® CTG830
Diakon® CTG830 is a toughened PMMA compound with a high level of an impact modifier. It imparts strong impact strength for injection molded and extruded parts.
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- Manufacturer: Mitsubishi Chemical Group
- Product Line: Diakon® and Elvakon® PMMA
- Product: Diakon® PMMA
- Industries: Plastics
- Authorized Countries: United States
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United States
Overview
Diakon® CTG830 is a tough polymethyl methacrylate (PMMA) compound designed for extremely high impact resistance. Based on the Diakon® CMG302 polymer, it is compounded with a high level of an impact modifier for manufacturing acrylic parts that require strong impact durability and stiffness. Like other Diakon® grades, Diakon® CTG830 is highly transmissible to light and provides excellent optical properties that help create clear injection molded and extruded parts. Given its high impact resistance, Diakon® CTG830 is ideal for making stiffer parts such as automotive fascia and housings for lighting. It features a relatively low melt flow index compared to other grades, stemming from the level of impact modifier used. As such, this grade is recommended for filling molds that do not have issues with a higher-viscosity PMMA.
Specifications
Melt flow index, g/10 min: 2
Vicat softening point, °C (ISO 306A): 109
Vicat softening point, °C (ISO 306B): 93
Heat deflection temperature, °C (ISO 75A): 94
Light transmission, %: 92
Haze, %: 1.5
Refractive index: 1.49
Tensile strength, MPa: 48
Flexural modulus, GPa: 2.1
Flexural strength, MPa: 68
Izod impact strength, kJ/m2: 5.1
Charpy impact strength, kJ/m2 (ISO 179/1eA): 5.5
Charpy impact strength, kJ/m2 (ISO 179/1eU): 64
Relative density: 1.15
Rockwell hardness, M scale: 40
Mold shrinkage, %: 0.4–0.8
Water absorption, %: 0.35
Flammability: HB
Glow wire test, °C: 650
Primary Chemistry: PMMA
Features & Benefits
- Extremely high optical clarity and light transmission
- Excellent impact resistance
- Strong resistance to weathering and yellowing
Problems Solved
Poor light transmission through acrylic parts Deterioration of clarity and color under exposure to harsh environments Breaking of parts under impact
Applications
Injection molding Extrusion
Related Chemistries
Plastics
Related End Markets
Related Functions
Plastics
Related Processes
Plastics
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