Technical Specifications
| Material | General Purpose Polystyrene (GPPS) |
| Colour | Opal, Black |
| Light Transmission | ~85–90% (white), ~90–92% (clear) |
| Cell Size | Typically 12–15 mm (½") square |
| Overall Thickness / Depth | 8mm |
| Sheet Size (Typical) | 1200 × 600 mm |
| Density | 0.086 g/cm³ |
| Tensile Strength | ~45 MPa |
| Flexural Modulus | ~3,000 MPa |
| Operating Temperature Range | 0 °C to 70 °C |
| Vicat Softening Temperature | ~95 °C |
| UV Resistance | Poor |
| Fire Rating | Not fire-rated (UL94 HB typical) |
| Chemical Resistance | Poor to moderate – attacked by solvents |
| Typical Application | Indoor commercial lighting diffusers |
Certifications & Downloads
EGG CRATE Diffuser
Egg Crate Diffuser is a lightweight, grid-style plastic panel designed to evenly diffuse light while reducing glare. It allows high light transmission while hiding the light source, creating a clean…
Optional finishing services - toggle any you need.
Optional. Add drilled holes to your piece.
Acrylic only - optical-grade edge finish
Pick which edges to polish.
Flame polish is only available on acrylic.
Manual router - per-corner price scales with thickness
Rounded or 45 degree bevel - per-metre rate x thickness
Why choose EGG CRATE Diffuser?
Key Features:
Common Applications:
- Open Cell Design – Optimizes airflow and reduces stagnant heat buildup
- UV-Stabilised & Moisture-Resistant Options – Suitable for humid or lit environments
- Lightweight & Rigid – Easy to install, cut, or mount
- Glare Control – Ideal for fluorescent and LED light diffusion
- Cost-Effective & Versatile – Used in both lighting and ventilation systems
Our Egg Crate Diffusers are durable, lightweight panels designed for efficient air distribution and light diffusion in commercial and residential environments. With a unique open-cell grid structure, egg crate diffusers are commonly used in HVAC systems, light fixtures, and suspended ceilings to enhance airflow, reduce glare, and maintain visual consistency.
Air return and exhaust grilles in HVAC systems
Fluorescent/LED light fixture covers
Suspended or drop ceilings in offices and retail spaces
Aquariums or reptile enclosures (for lids or ventilation)
Architectural and design panels
Specifications:
Material: Polystyrene or ABS (custom materials available)
Thickness: 8mm – 12mm depending on configuration
Colours: Opal, Black
Panel Size: Typically 1200 x 600 mm (cut-to-size options available)
Ready to order your EGG CRATE 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.
Technical Specifications
| Material | General Purpose Polystyrene (GPPS) |
| Colour | Opal, Black |
| Light Transmission | ~85–90% (white), ~90–92% (clear) |
| Cell Size | Typically 12–15 mm (½") square |
| Overall Thickness / Depth | 8mm |
| Sheet Size (Typical) | 1200 × 600 mm |
| Density | 0.086 g/cm³ |
| Tensile Strength | ~45 MPa |
| Flexural Modulus | ~3,000 MPa |
| Operating Temperature Range | 0 °C to 70 °C |
| Vicat Softening Temperature | ~95 °C |
| UV Resistance | Poor |
| Fire Rating | Not fire-rated (UL94 HB typical) |
| Chemical Resistance | Poor to moderate – attacked by solvents |
| Typical Application | Indoor commercial lighting diffusers |
Certifications & Downloads
Frequently Asked Questions
What is an egg crate diffuser?
What are egg crate diffusers used for?
What materials are egg crate diffusers made from?
Do egg crate diffusers reduce light output?
Are egg crate diffusers suitable for LED lights?
Need this custom cut or fabricated?
Send us your drawing (DXF, DWG, PDF, EPS, STEP) and we'll quote your EGG CRATE Diffuser to spec.
What you can make with EGG CRATE Diffuser
Wall Cladding
ACM and solid sheet cladding for facades, feature walls, and commercial fit-outs.
Plastic Packers, Shims & Window Packers
Window packers, horseshoe packers, glazing packers, and load-bearing plastic shims cut to any size and thickness. Trade quantities, custom sizes, and fast Australia-wide delivery.
Machine Guards
Impact-resistant clear and solid sheet guards for CNC, lathes, and production lines.
Roofing Panels
Polycarbonate and acrylic panels for pergolas, carports, and skylights.
Signage
Acrylic, PVC, and polycarbonate panels for illuminated and flat signage.
Sneeze Guards
Clear acrylic and polycarbonate barriers for counters and food displays.
Tabletops
Clear and tinted acrylic tabletops, desk mats, and counter protectors.
Laboratory Panels
Chemical-resistant sheet for lab benchtops, splashbacks, and enclosures.
Processing Services
Services available for this product
Laser Cutting
Precision laser cutting for acrylic, MDF, and thin plastics.
Learn moreCNC Routing
Complex profiles, holes, and pockets in sheet up to 50mm.
Learn moreFabrication
Bending, bonding, and assembly of sheet into finished products.
Learn moreVacuum Forming
Thermoformed sheet into 3D shapes for covers, trays, and enclosures.
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