4mm Clear Acrylic

From £0.11

Clear acrylic, known by trade names such as Plexiglas® and Perspex®, is a versatile transparent plastic (polymethyl methacrylate or PMMA) used in a wide range of commercial, industrial, and domestic applications as a durable, lightweight, and high-clarity alternative to glass.

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Product description

Offering ultimate optical clarity, 4mm Clear Acrylic sheets are a great option for several installations including motorcycle windscreens, sneeze screens, greenhouse panels and much more.

Harbouring UV-stable properties to prevent any discoloration occurring, this material provides excellent thermal insulation, as well as sound reduction qualities – making it super versatile to suit a wide range of different projects.

If you need to shape your plastic in any way, these clear plastic sheets are easy to machine, laser-cut or engrave.

It’s safer than glass thanks to its durability and impact resistance but offers a similar transparent effect to be used within several applications that require a see-through, strong material.

From exhibition stands and patio covers, to boat windows and POS display cases, our acrylic is versatile and can be the ideal solution to a variety of projects.

Properties

Key Properties

  • Exceptional Optical Clarity: Clear acrylic transmits up to 92% of visible light, which is higher than most traditional glass (around 89-90%). It maintains this clarity without yellowing over time due to UV resistance.
  • High Impact Resistance: It is significantly more impact-resistant than glass. If it does break, it fractures into larger, dull-edged pieces rather than sharp shards, making it a safer alternative.
  • Lightweight: Acrylic is approximately 50% lighter than glass of the same size and thickness, which makes it easier to handle, transport, and install.
  • Weather and UV Resistance: High-quality clear acrylic is highly resistant to weathering and UV degradation, making it suitable for both indoor and outdoor applications.
  • Ease of Fabrication: As a thermoplastic, it can be easily machined, laser cut, drilled, polished, and thermoformed (heated and bent into shapes).
  • Good Insulation: Acrylic offers better thermal insulation properties than glass, which can contribute to energy efficiency in applications like secondary glazing.
  • Chemical Resistance: It generally has good resistance to water, dilute acids, and alkaline agents, but can be damaged by strong solvents like acetone.

Limitations

  • Scratch Resistance: Acrylic is more susceptible to scratching than glass.
  • Heat Sensitivity: It is not as heat-resistant as glass and can deform at high temperatures (softening point around 100°C – 110°C). It should not be exposed to open flames.

Usage

Architectural & Glazing

  • Windowpanes and Secondary Glazing: Used as a strong, impact-resistant alternative to glass in shed windows, safety glazing in homes with children or pets, and secondary glazing to improve insulation.
  • Skylights and Roof Panels: Its UV and weather resistance make it ideal for skylights and greenhouse panels, where it transmits up to 92% of visible light.
  • Protective Barriers: Common for safety applications like machine guards in factories, sneeze guards/protective screens in retail and public spaces, and security barriers.

Retail & Display

  • Display Cases and Fixtures: The high optical clarity and ease of fabrication make it ideal for retail display cases, shelves, and brochure holders that show off products without obstructing visibility.
  • Signage and Menu Boards: Used for both indoor and outdoor signs, menu boards, and decorative plaques due to its durability and ability to be cut into custom shapes.

Home & Furniture

  • Aquariums and Fish Tanks: The combination of strength, light weight, and formability makes clear acrylic the preferred material for aquariums of all sizes, from small home tanks to large public features.
  • Furniture and Shelving: Used to create modern furniture, wall shelves, and protective covers for valuable tabletops (e.g. coffee tables), as it’s lighter and more durable than glass.

Specialized & Industrial Applications

  • Transportation: Utilized in automotive lighting, instrument panels, boat windows, aircraft cabin windows, and motorcycle windscreens due to its impact resistance and light weight.
  • Optical Devices: Used in lenses and magnifying glasses, as it is cheaper and clearer than glass in some applications.