Acrylic / Perspex

Acrylic is a crystal-clear thermoplastic with outstanding optical clarity and excellent weathering resistance. We stock acrylic sheet in optically clear grades across a range of thicknesses, making it our primary choice for sight glasses, inspection panels, and transparent guards.

At a Glance

Temperature Range

-40 °C to +80 °C

Thickness Range

6 mm to 25 mm

Brands We Stock

Perspex
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Technical Properties

Typical values across stocked grades. Specific grade data sheets available on request.

Continuous Service Temperature−40 °C to +80 °C
Light Transmission92% (clear grades)
Tensile Strength (ASTM D638)55–75 MPa
Elongation at Break (ASTM D638)2–5%
Flexural Modulus (ASTM D790)2,700–3,200 MPa
Impact Strength – Izod Notched (ASTM D256)15–25 J/m
Hardness (ASTM D785)Rockwell M 85–105
Density (ASTM D792)1.17–1.20 g/cm³
Heat Deflection Temperature (ASTM D648, 1.82 MPa)90–100 °C
Water Absorption – 24 hr (ASTM D570)0.20–0.30%
UV ResistanceExcellent – non-yellowing, outdoor rated
Thickness Range Stocked6 mm to 25 mm

Common Applications

  • Sight glasses and inspection windows
  • Machine guards and safety barriers
  • Display cases and point-of-sale stands
  • Aquarium and tank viewing panels
  • Light diffusers and luminaire covers
  • Instrument covers and gauge faces
  • Architectural glazing and skylights
  • Laboratory shields and fume cupboard windows

Available Grades

Brands we stock: Perspex

Acrylic Clear (Cast)

Optically clear cast acrylic sheet with 92% light transmission and excellent UV resistance. Cast grades offer superior optical quality and better chemical resistance than extruded alternatives.

Acrylic Clear (Extruded)

Extruded clear acrylic sheet offering good optical clarity at a more economical price point. Suitable for general-purpose glazing, displays, and non-critical sight glass applications.

Need Acrylic / Perspex?

We supply acrylic / perspex in sheet, roll, and custom die-cut forms. Contact our team for pricing, data sheets, or technical assistance.

Disclaimer

This resource is provided for general engineering reference only and does not constitute professional advice, specification, or guarantee of performance. Actual results depend on specific application conditions. Universal Gaskets Pty Ltd accepts no responsibility or liability for decisions made based on this information. For full terms, see our Terms & Conditions.