Channel Letter Backing Panel
High-Quality 1220*2440mm Channel Letter Backing Panel for Signage, Displays & Fabrication
Enlight Acrylic is a professional acrylic sheet manufacturer with an ISO 9001 certified quality management system. We focus on reliable product quality, flexible customization, and professional manufacturing to support customers worldwide. Our acrylic sheets are widely used in signage, displays, lighting, furniture, and custom fabrication.
Channel Letter Backing Panel, also known as LED Channel Letter Backing Sheet, Backlit Sign Base Panel, or Modified PS Signage Sheet, is a specially developed high-performance material designed for manufacturing LED backlit channel letters, halo illuminated signs, 3D advertising letters, and commercial illuminated signage systems.
As a key component in modern signage fabrication, the backing panel plays an important role in supporting the letter structure, improving light distribution, and enhancing the overall appearance of illuminated signs. Our Channel Letter Backing Panel is manufactured using 100% virgin modified PS (Polystyrene) raw material, providing excellent structural stability, consistent quality, and reliable processing performance for professional sign manufacturers.
We are looking for distributors and sales agents worldwide. Join Enlight Acrylic and grow with us in global markets.
Available Options:
Winter Melon White | Custom Colors
Material: Modified virgin PS sheet
Type: Channel Letter Backing Panel
Thickness: 10mm | 12mm | 17mm
Sheet Size: 1220*2440mm
Processing: Cutting, CNC Machining, Laser Cutting, Polishing, Drilling & Thermoforming
Delivery: 20 days after confirm your order
Overview
Premium Channel Letter Backing Panel with Excellent Clarity
Channel Letter Backing Panel is a premium PS material known for excellent optical clarity, good surface quality and flexible fabrication performance. Enlight Acrylic supplies channel letter backing panel in multiple thicknesses, colors and sheet sizes for distributors, fabricators, signage companies and industrial buyers.
PERFORMANCE & MATERIAL
Key Properties of Channel Letter Backing Panel
Channel Letter Backing Panel combines excellent optical clarity, good surface hardness, weather resistance, and dependable dimensional stability for demanding signage, display, and fabrication applications.
Excellent Optical Clarity
High-quality transparent appearance for displays, signage and visual applications.
Good Surface Quality
Smooth surfaces suitable for premium commercial and decorative applications.
Weather Resistance
Suitable grades can support indoor and outdoor use.
Fabrication Flexibility
Suitable for cutting, machining, polishing, drilling and thermoforming.
TECHNICAL SPECIFICATIONS
Channel Letter Backing Panel Sizes,
Thicknesses & Options
Available in multiple thicknesses, standard and custom sheet sizes, with flexible processing options to support different project, fabrication, and installation requirements.
| Specification | Available Options |
|---|---|
| Material | Modified virgin PS sheet |
| Product Type | Channel Letter Backing Panel |
| Thickness | 1.8mm-30mm |
| Sheet Size | 1220*2440mm, 1250*2450mm, 1260*2480mm, 2050*3050mm |
| Colors | Clear, White, Black, Colored, Frosted, Opal |
| Surface | Glossy / Frosted / Specialty Options |
| Processing | Cutting, CNC, Laser Cutting, Drilling, Polishing, Thermoforming |
| Order Type | Standard, Custom & Bulk Supply |
COLORS & SURFACE OPTIONS
Acrylic Colors and Finishes
for Custom Projects
Choose from clear, white, black, colored, frosted, opal, and custom options, with surface finishes selected to match visual, lighting, decorative, or functional requirements.
CLEAR
WHITE
BLACK
COLORED
FROSTED
OPAL
CUSTOM COLORS
PROCESSING OPTIONS
Flexible Processing for Custom Channel Letter Backing Panel Requirements
Channel Letter Backing Panel can be processed to match different fabrication and project requirements. We support cutting, CNC machining, laser cutting, drilling, polishing, engraving, bending and thermoforming based on drawings, dimensions and application specifications. Custom processing helps reduce additional preparation work and allows buyers to receive sheets closer to their final production needs.
Applications
Designed for Real Commercial
Signage Projects
Signage Companies
Acrylic Fabricators
Display & Exhibition Manufacturers
Furniture Manufacturer
CUSTOMIZATION
Tailored PS Panels for Your Production Needs
Adapt sheet dimensions, thickness, colors and protective film requirements to match your production or project specifications. We support flexible customization for distributors, manufacturers and bulk buyers with consistent specifications across repeat orders.
TECHNICAL RESOURCES
Product Data, Guides & Compliance Documents
Access technical data sheets, product catalogues, color references, processing guides, safety information, and available compliance documents for your project evaluation.
| Document | Category | Format | Action |
|---|---|---|---|
| Acrylic Sheet Product Catalogue | Catalogue | Download | |
| PS Sheet Product Catalogue | Catalogue | Download | |
| ISO 9001 Document | Compliance | Download | |
| RoHS Document | Compliance | Download | |
| SGS Certificate | Compliance | Download | |
| Test Report FDA | Test Report | Download | |
| Test Report GPPS525 | Test Report | Download | |
| Test Report Phthalates | Test Report | Download | |
| Occupational Health Safety Certificate | Safety Certification | Download | |
| Environmental Management System Certificate (EMS) | Environmental Compliance | Download |
Quick answers on MOQ, lead time and customization
Find practical answers about minimum order quantities, production lead times, custom sizes, colors, protective film and other common requirements before placing a bulk order.
What is cast acrylic sheet made from?
Cast acrylic sheet is made from PMMA and is known for its high optical clarity, smooth surface, and strong fabrication performance.
What thicknesses are available?
Cast acrylic sheets can be supplied in multiple thicknesses, with standard and custom options available depending on project requirements.
Can you provide custom sizes?
Yes. Sheets can be supplied in standard sizes or cut to custom dimensions based on your drawings, specifications, or application needs.
What colors and finishes are available?
Available options include clear, white, black, colored, frosted, opal, and other customized colors or surface finishes.
Can cast acrylic sheets be processed before shipment?
Yes. Processing services can include cutting, CNC machining, laser cutting, drilling, polishing, engraving, bending, and thermoforming.
Is cast acrylic suitable for signage and displays?
Yes. Its clarity, appearance, and fabrication flexibility make it suitable for signage, retail displays, lighting applications, decorative panels, and custom fabrication.
Ready to Discuss Your Next Acrylic or PS Sheet Project?
Share your material requirements, dimensions, thickness, color, quantity or customization needs with our team. We’ll help you review the suitable options for your project and bulk order requirements.
