Main applications of PMMA (acrylic)

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Disadvantages
Scratch Susceptibility: PMMA is more susceptible to scratches than glass, requiring careful handling and may require protective coatings in some applications.
Poor solvent resistance: Some solvents, such as acetone and alcohol, can damage it, limiting its use in environments where exposure to these chemicals is common.
Thermal Expansion: PMMA expands and contracts more with temperature changes than glass or metals, affecting dimensional stability in variable temperature environments.
Brittleness : Compared to other plastics, PMMA can be relatively brittle and crack under impact or significant stress, making it less suitable for high-stress applications.
UV Degradation: Although there are UV resistant grades, prolonged exposure to UV rays can cause yellowing and degradation, impacting the longevity and appearance of the material.
Limited heat resistance: It softens and deforms at fresh dataset high temperatures, which limits its use in applications requiring high heat resistance, such as near heat sources or in high temperature processing.
Flammability: PMMA is flammable and requires flame retardant additives to improve its fire resistance, which limits its use in applications with strict fire safety requirements.
Automotive industry
Acrylic is widely used in the automotive industry due to its optical clarity and durability. The most common applications are as follows:

Headlight and Taillight Covers : Acrylic provides clear, durable covers that resist impact and weather conditions.
Dashboards: PMMA's clarity and scratch resistance make it an ideal material for protective dashboard covers.
Interior Trim: Manufacturers use it in various interior components to ensure aesthetic appeal and functional durability.
PMMA plastic car lights
Construction and architecture
PMMA's combination of clarity, strength and weather resistance makes it suitable for a wide range of applications in construction and architecture:

Windows and skylights: PMMA plastic offers a lightweight and durable alternative to glass.
Sound barriers: Its clarity and impact resistance make PMMA an excellent material for acoustic screens in urban areas.
Decorative Panels: It can be colored and shaped for decorative purposes indoors and outdoors.
Electronics and electrical appliances
In the electronics industry, PMMA is used for its insulating properties and clarity:

Displays and screens: Manufacturers use it to produce clear, durable screens for electronic devices.
Luminaires : Its high light transmission and UV stability make acrylic an ideal material for light diffusers and protective covers in lighting applications.
Medical devices
The biocompatibility and optical clarity of PMMA make it a material suitable for various medical applications: