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3mm Acrylic Prismatic Pattern 12 (Clear) 2440x1220

Prismatic Light Diffuser

4.8 · Plastic Online store rating (92 reviews)

Prismatic Light Diffuser. Cut to size and supplied Australia-wide by Plastic Online.

$173.40 + GST
inc. GST $190.74
Shatter Resistant
17x Stronger than Glass
UV Resistant
UV Resistant
Perfect for Skylights
1 Configuration
$173.40 + GST
Pay G Pay
2 Service add-ons

Optional finishing services - toggle any you need.

Drill holes

Optional. Add drilled holes to your piece.

Flame polished edges

Clear acrylic only - optical-grade edge finish

Rounded corners

Manual router - per-corner price scales with thickness

Edge profile

Rounded or 45 degree bevel - per-metre rate x thickness

Price breakdown
- - -
Quantity -
Shipping estimate above
Australia-wide delivery Priced to your postcode
Precision Cut +/-0.5mm tolerance
Quality Assured Industry-leading

Ready to order your Prismatic Light Diffuser?

Cut to size, precision finished and dispatched Australia-wide. Not sure which material suits your job? We'll help you choose the right one.

Frequently purchased with

Acrylic H-Sections

Join two sheets edge-to-edge in a clean flush line. 1500mm, four gauges.

from $49.98ex GST

Weld-On 16 Solvent Cement

The go-to glue for bonding acrylic and polycarbonate.

from $23.22ex GST

ACRIFIX 192 Adhesive

High-strength acrylic adhesive for a clean, strong bond.

$38.76ex GST
Technical Specifications
Density 1.19 g/cm³
Thermal expansion 70 × 10⁻⁶ /°C
Light transmission (clear) Up to 92%
Polymer type Polymethyl Methacrylate (PMMA)
Tensile modulus 2.8–3.3 GPa
Vicat softening temperature ~105°C
Water absorption (24 h at 23°C) ~0.3%
UV resistance Very good
Impact resistance Moderate
Chemical resistance Moderate
Machinability Very good
Max service temperature 70°C
Weldable No
Suitable for Displays, Signage, Sneeze guards, Glazing
Food contact Food safe for cake stands and food display

Frequently Asked Questions

What is an acrylic prismatic light diffuser?

An acrylic prismatic diffuser is a clear PMMA sheet with a micro-prism pattern that disperses LED or fluorescent light evenly. It reduces glare, improves light distribution, and provides a clean architectural finish.

How much light does acrylic prismatic sheet transmit?

Acrylic prismatic diffusers typically offer 80–92% light transmission, depending on thickness and prism geometry. They provide higher optical clarity than polycarbonate in most lighting applications.

Where is acrylic prismatic sheet commonly used?

Acrylic prismatic diffusers are used in office lighting, commercial troffers, LED panels, retail lighting, display cabinets, and general architectural illumination. They’re a go-to for environments needing clean, consistent light distribution.

Is acrylic prismatic sheet UV-resistant?

Yes. Acrylic naturally provides excellent UV resistance, meaning it won’t yellow or degrade outdoors. It is a strong choice for skylights, outdoor lighting covers, and environments exposed to sunlight.

How durable is acrylic compared to other materials?

Acrylic is 17× stronger than glass, scratch-resistant, and rigid. While not as impact-resistant as polycarbonate, it delivers better optical clarity and maintains its appearance longer in UV-exposed applications.

Need this custom cut or fabricated?

Send us your drawing (DXF, DWG, PDF, EPS, STEP) and we'll quote your Prismatic Light Diffuser to spec.

Max 5 files, 10MB each