Perspex® Opal Acrylic Light Diffusing Sheet
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Bespoke Fabrication
We have the machinery and expertise to manufacture bespoke items in acrylic, polycarbonate and many other plastics, from one-offs to large production runs. Read more about the various services we offer, or complete the form below to request a quote.
CNC Routing
Our advanced Multicam Apex 3R (3 Axis) CNC routers allow us to provide an extensive range of precision CNC routing services. Read more
CNC Laser Cutting
Laser cutting is a fabrication process that uses a thin, intensely focused stream of light to cut through a range of different materials, including plastics and acrylics. Read more
Diamond & Flame polishing
Edge polishing is a fabrication process that polishes the edges of acrylic panels, removes any cutting marks, and achieves a smooth, glossy finish. Read more
Rotary & Laser Engraving
Laser engraving is a fabrication process that uses a laser beam to physically remove the surface of a material to create an indentation that is noticeable to both the eye and touch. Read more
Line Bending
Line bending is a process that’s used to make precise folds in plastic and acrylic components. Our line bending fabrication service allows us to bend plastic and acrylic sheets along a defined ‘line’ – without any need for gluing or joining. Read more
Have bespoke requirements?
Complete this form and we will get back to you with a quote.
Opal acrylic sheet is white in tone and produced specifically to diffract and diffuse light when used as with light box signage systems. Opal light diffusing sheet is available cut to size.
Key features
- Optimised to diffract and diffuse light
- Weather resistant
- Hard wearing
- Available cut to size
Popular applications
- For use with light box signage systems
- Cieling lighting tiles
Further detail
Light transmission
Opal cast acrylic has a light transmission rate of 37%. The sheets diffract and diffuse light evenly when used to illuminate light box signage systems.
Weather resistant
Acrylic or Perspex® is weather resistant so suitable for use for both interior and exterior signage applications.
Hard wearing
Opal acrylic light diffusing sheet is strong durable and long lasting.
Brands
Perspex®, Plexiglass®
Country of Manufacture
UK
Stock sheet sizes
3050mm x 2030mm, 2030mm x 1520mm
Minimum panel size
50mm x 50mm
Maximum panel size
3050mm x 2030mm
Relative density
1.19 g/cm³
Manufacturers thickness tolerance
+/- 10 % plus 0.4mm (e.g. 5mm cast sheet could vary from 4.1mm to 5.9mm)
Cutting tolerance
+/- 1mm
Material protection
Protective film on both sides
Fire rating
UK Class 3
Service temperature
-40 to 80°c
Vicat softening temperature
>110°c
Water absorption
0.2%
Material Name/Scientific Name
Poly(methyl methacrylate) "PMMA"
Manufacturers guarantee
10 Year against discolouration
Recyclable
Yes
Recycled content
Maximum 3%
Data sheets
We provide a fast delivery service throughout the UK using recognised Couriers such as Royal Mail, DHL, and Parcel Force.
Delivery prices are calculated based on the length of the longest side of the material ordered i.e. the delivery price of a panel measuring 1500mm x 1000mm would be based on the 1500mm dimension. Only one delivery charge is charged per order regardless of how many items are ordered.
UK Delivery costs
| Longest side | Standard Delivery | Express Delivery | Order value for FREE delivery |
|---|---|---|---|
| Samples (100mm x 100mm) | £2.95 | £9.95 | £250 |
| Less than 500mm | £6.95 | £12.95 | £250 |
| 500mm to 999mm | £9.95 | £19.95 | £250 |
| 1000mm to 1999mm | £14.95 | £24.95 | £250 |
| 2000mm or greater | £19.95 | £29.95 | £250 |
Standard delivery for all accessories is £7.95, or £12.95 for Express delivery.
All prices listed include VAT.
Delivery Times
Our guidelines for delivery times are listed below:
- Standard delivery (3-5 working days)
- Express delivery (2-3 working days)
Express Delivery
If you require faster delivery you may wish to consider choosing our Express Delivery option at the checkout. Express Delivery orders are prioritised over standard orders and delivered using a recognised nationwide courier.
Next Day Delivery
Next Day delivery is not available via our website due to the volume and bespoke nature of orders we receive on a daily basis. However, if you need to place an order and require Next Day delivery please contact us – we will make every effort to meet your requirements and deadlines.
European/EU Delivery
We have temporarily disabled European delivery for orders placed through our website whilst we make changes to ensure that the correct rate of EU VAT is being charged. Our team can however manually process orders so please contact us if you require delivery to the European Union.
Remote Areas
Due to the nature of the ”made to measure” products we supply, we provide delivery prices at a standard rate and reserve the right to cancel an order should it become economically unviable to fulfill the order. In these extremely rare circumstances, the customer will be contacted first to discuss alternative options.
When delivering to some locations we can incur increased Courier delivery costs. Should delivery be required to one of the locations listed below a remote area supplement will be automatically added to the price of delivery during the checkout process.
| Longest side | Remote area supplement |
|---|---|
| Samples (100mm x 100mm) | £0.00 |
| Less than 500mm | £0.00 |
| 500mm to 1499mm | £10.00 |
| 1500mm to 2499mm | £15.00 |
| 2500mm or greater | £20.00 |
All prices listed include VAT.
Examples of delivery locations which may incur a remote area supplement are:
- Channel Islands
- Isle of Man
- Isles of Scilly
- Isle of Wight
- Scottish Islands
- Scottish Highlands
- Remote areas of Scotland
- Northern Ireland
If you require delivery to one of these areas please get in touch to discuss your order.
Third-Party Deliveries
Some products are dispatched directly from the manufacturer and delivered by a third-party courier. If applicable, this is clearly stated on each Product page under the 'Delivery' tab/section.
Can I collect my order from Simply Plastics?
Yes, of course. Orders can be collected from our premises in Colchester, Essex. At the final stage of the checkout process there is a delivery option labelled "Collection/pickup" which is free. Once your order is complete, you will be notified by email along with our address and collection times.
I need my order urgently, can I pay for faster shipping?
Yes. We offer an express delivery service which aims to deliver all orders in 1-3 working days. Orders are delivered by a recognised courier company and may require a signature on delivery.
Do you have a minimum order charge or small order fee?
This is a question we are asked fairly regularly due to the previlance of either a minimum order charge or small order fee within the industry.
At Simply Plastics our approach has always been to treat all orders equally, small or large. We want all customers, new and existing, to be able to place orders with us confident that they are only paying for the products and materials that they require. We therefore do not have a minimum order charge or small order fee.
Whats the difference between Plexiglass and Plexiglas®?
These two terms are pronounced the same and spelt almost identically, however, Plexiglass is the genericized trademark or proprietary emponym that has become synonymous with acrylic sheeting in most of Europe and North America whereas Plexiglas® is the brand name for acrylic sheets manufactured by Röhm GmbH in Germany. Whilst Plexiglass has become the generic trademark for acrylic sheets in Europe and North America, the brand name Perspex® is synonymous with acrylic sheeting in the UK.
Whats the difference between Plexiglas® and Perspex®?
Both Plexiglas® (most commonly spelt Plexiglass) and Perspex® are brand names of Acrylic sheet. Röhm GmbH, based in Germany, are the manufacturers of Plexiglas® whereas Perspex® is manufactured in the UK by Perspex International Limited. Both manufacturers supply a wide range of colours and thicknesses. Whilst the brand names Plexiglas® and Perspex® are different, ultimately the acrylic sheet that they manufacture is the same albeit each manufacturer might tweek the formulation to increase or enhance UV-resistance, light transmission or colour.
Which applications are best suited to Cast or Extruded Acrylic?
When deciding whether Cast Acrylic or Extruded Acrylic is best for your project it’s worth considering the specific application and desired finish you hope to achieve. The table below provides some examples of the most suitable type of acrylic sheet to use for specific applications.
| Cast Acrylic | Extruded Acrylic | |
| Application |
|
|
In our experience, whilst some projects/applications will require specific characteristics of either Cast or Extruded Acrylic, in most cases the choice can be made based on either colour, thickness or cost, as below:
- Clear or Colour: Extruded acrylic is generally only manufactured in clear, black and white and therefore if there is a requirement for any other colour, Cast Acrylic is the only choice.
- Thickness: Cast acrylic is commonly manufactured in thicknesses up to 100mm whereas extruded is generally available in a maximum thickness of 20mm (Simply Plastics stock up to 50mm in Cast and 10mm in Extruded).
- Cost: Extruded is marginally cheaper and therefore any requirement for a large quantity of sheets/panels, where the benefits of cast acrylic are not important, is likely to be more cost effective produced in Extruded acrylic.
How can I calculate the weight of a Perspex Panel?
All of the different types of plastics that are available on our website, whether they be a panel, a disc, tube or rod, show the weight of the piece you require once you have entered your dimensions, shown in grams or kg.
The weight of any plastic can be calculated using the simple formula: Weight = Volume x Density
Read our blog post on how to calculate the weight of a variety of different plastics covering panels, discs, road and tube.
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