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Diakon® CTG825
Diakon® CTG825 is a toughened PMMA compound containing an impact modifier. It has very high impact strength for parts made by injection molding and extrusion.
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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® CTG825 is a polymethyl methacrylate (PMMA) compound designed for high impact resistance and durability for manufacturing acrylic parts. It is based on the Diakon® CMG302 polymer and is compounded with an impact modifier. Diakon® CTG825 provides a high degree of light transmission and possesses optical properties useful for creating durable injection molded and extruded parts such as automotive interior and exterior parts and lighting fixtures. With Diakon® CTG825’s high impact resistance, the melt flow index is reduced. Therefore, this grade is recommended for filling molds that facilitate controlled and even filling.
Specifications
Melt flow index, g/10 min: 2.3
Vicat softening point, °C (ISO 306A): 110
Vicat softening point, °C (ISO 306B): 95
Heat deflection temperature, °C (ISO 75A): 95
Light transmission, %: 92
Haze, %: 1.5
Refractive index: 1.49
Tensile strength, MPa: 52
Flexural modulus, GPa: 3.2
Flexural strength, MPa: 75
Izod impact strength, kJ/m2: 4.8
Charpy impact strength, kJ/m2 (ISO 179/1eA): 4.8
Charpy impact strength, kJ/m2 (ISO 179/1eU): 54
Relative density: 1.15
Rockwell hardness, M scale: 55
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
- Great 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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