





Custom Corrugated Plastic Sign Board, White, Black, Yellow
- Product: Coroplast Yard Signs
- Material: Corrugated polypropylene (PP)
- Structure: Twin-wall fluted
- Thickness: 3–5mm (4mm standard)
- Size: 18×24″, 24×36″ or customized
- Color: White, Black, Yellow or custom
- Surface: Corona-treated for printing
- Features: Lightweight, waterproof, durable
- Performance: UV-resistant, outdoor use
- Printing: UV / Screen printing supported
- Accessories: H-stakes, metal frames available
- Application: Real estate, election, advertising
- OEM: Size, design, logo printing
- MOQ: 1000 pcs
- Sample: Free available
- Lead Time: 7–20 days
- FOB Port: Qingdao / Shanghai
- Payment: T/T
- Trade Terms: FOB / CIF / DAP
Product Overview
Corrugated plastic yard signs (also known as coroplast sign boards) are lightweight, durable polypropylene sheets widely used for outdoor advertising and temporary signage.
Common sizes such as 18×24 inch and 24×36 inch are industry standards for yard signs, real estate signs, election campaigns, and promotional displays. Made from a twin-wall fluted structure, these boards offer excellent strength while remaining easy to install and transport.
They are suitable for both indoor and outdoor use, with optional UV-resistant grades for long-term outdoor exposure.
Key Features
- Lightweight and easy to install with H-stakes
- Durable and impact-resistant for outdoor use
- Waterproof and weather-resistant
- Smooth printable surface for UV and screen printing
- Available in standard sign sizes (18×24, 24×36, custom)
- Multiple colors available (white, black, yellow, custom)
- Reusable and cost-effective for short-term campaigns
- Compatible with digital and large-format printing
Technical Specifications
| Product Name | Corrugated Plastic Yard Sign / Coroplast Sign Board |
| Material | Polypropylene (PP) |
| Standard Sizes | 18 × 24 inch / 24 × 36 inch / Custom |
| Thickness | 3mm / 4mm (Most Common) |
| Structure | Twin-wall Fluted Hollow Structure |
| Surface | Smooth / Corona Treated (Printable Grade) |
| Color | White (Standard), Black, Yellow, Custom |
| Flute Direction | Vertical or Horizontal (for stake insertion) |
| UV Resistance | Optional (Outdoor Grade) |
| Water Resistance | 100% Waterproof |
| Printing Compatibility | UV Printing / Screen Printing / Digital Printing |
| Accessories | H-stakes, Metal Frames (Optional) |
| Application | Yard Signs, Real Estate Signs, Campaign Signs, Advertising Boards |
Structure & Materials
Corrugated plastic sign boards are manufactured from polypropylene using an extrusion process that forms a twin-wall fluted structure.
This design provides a lightweight yet rigid board with excellent durability and weather resistance. The surface is typically corona-treated to improve ink adhesion, making it suitable for high-quality printing applications.
Flute direction can be customized to accommodate H-stakes or mounting systems, ensuring easy installation for outdoor signage.




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Manufacturing Capacity
At Fuludeboard®, our manufacturing system is built to support large-scale export demand with stable quality and efficient production. With advanced extrusion technology and strict process control, we ensure consistent thickness, uniform structure, and reliable performance across every batch—ideal for packaging, protection, and industrial use. Our production lines are fully automated and optimized for bulk orders, allowing flexible capacity and fast turnaround. Backed by strong manufacturing capability, we provide dependable delivery schedules, scalable supply, and full support for global customers.
Packing And Delivery
At Fuludeboard®, corrugated plastic sheets are carefully packed in secure stacks with protective edge guards and reinforced strapping for safe handling. Each pallet is wrapped with PE stretch film to protect against moisture, dust, and damage during long-distance shipping. For bulk orders, we also offer optimized container loading solutions to maximize space utilization and reduce freight costs—ensuring stable, efficient, and export-ready delivery.
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About Suzhou Fulude New Materials Co., Ltd.
Suzhou Fulude New Materials Co., Ltd. is a direct manufacturer and global supplier specializing in high-quality corrugated plastic sheets, including Correx, Corflute, and Coroplast alternatives. With integrated production facilities and advanced extrusion technology, we provide stable, scalable solutions to wholesalers, importers, and industrial users worldwide.
Our products are engineered for versatility, combining lightweight structure, high impact resistance, and excellent durability. Widely used across packaging, advertising, construction, automotive, agriculture, and industrial applications, our corrugated plastic sheets deliver reliable performance in both indoor and outdoor environments.
With a strong focus on international market standards, we ensure consistent quality, precise thickness control, and stable color performance across large-volume orders. Our materials are designed to meet the diverse requirements of global customers, from cost-effective packaging solutions to high-performance industrial applications.
Supply Capability & Global Cooperation
Backed by mature manufacturing systems and multiple production lines, Suzhou Fulude New Materials Co., Ltd. offers stable supply capacity and efficient delivery for bulk orders. We have extensive experience serving distributors, converters, and industrial clients, providing export-ready products with professional logistics support.
We are actively expanding our global distribution network and seeking long-term partners, including importers, wholesalers, and industry-specific distributors across Europe, North America, South America, Southeast Asia, and other key markets.
In addition, we offer flexible OEM and customization services, including private labeling, size and thickness customization, color matching, and special performance requirements. Our goal is to support partners with tailored solutions that align with their local market needs and application scenarios.
Quality Commitment & Sustainability
At Suzhou Fulude New Materials Co., Ltd., we are committed to delivering consistent quality and long-term value. Our production process emphasizes material stability, durability, and environmental responsibility. All products are recyclable and designed to reduce environmental impact while maintaining high performance.
We provide professional technical support and responsive customer service, ensuring that every project—from standard supply to customized development—is handled with efficiency and reliability.
Start Your Inquiry with a Reliable Manufacturer
Looking for a trusted corrugated plastic sheet supplier for your business or project?
At Suzhou Fulude New Materials Co., Ltd., we provide factory-direct solutions with stable quality, competitive pricing, and flexible customization.
Whether you are an importer, distributor, packaging supplier, or industrial user, our team is ready to support you with tailored products and professional service.
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