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- 11/10/2025Sustainability in Packaging: The Role of Recyclable PP Hollow SheetsSustainability has become a key priority for businesses around the world, especially in the packaging and logistics sectors. Companies are actively seeking eco-friendly materials that reduce waste, lower carbon footprints, and comply with environmental regulations. One material gaining significant attention is recyclable PP hollow sheets (polypropylene corrugated sheets).
- 09/10/2025Best PP Corrugated Plastic Sheets for Sign Printing in 2025In 2025, PP corrugated plastic sheets (also called PP hollow sheets or coroplast) remain one of the top materials for sign printing. Lightweight, durable, and waterproof, they offer excellent printability and long-lasting performance — making them a preferred choice for advertisers, event organizers, and printing companies worldwide.
- 30/09/2025Why Is the Advertising Industry Increasingly Choosing PP Hollow Sheets?In the fast-evolving advertising world, material selection plays a decisive role in campaign efficiency, cost, and sustainability. One material that has gained significant popularity is polypropylene (PP) hollow sheet, also known as corrugated plastic board. But why are more advertising companies turning to this solution?
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Why Choose Polypropylene Hollow Board for Printed Signage?
When it comes to outdoor and indoor signage, choosing the right material is crucial. Polypropylene hollow board, also known as coroplast, correx, or PP corrugated sheet, has become one of the most popular options for printed signage boards across advertising, exhibitions, events, and retail promotions.
What Is Polypropylene Hollow Board?
Polypropylene (PP) hollow board is a lightweight yet durable plastic sheet made with twin-wall extrusion. The structure looks similar to cardboard but offers much higher strength, water resistance, and long-term durability.
Advantages of PP Hollow Board for Sign Printing
Excellent Printability
The smooth surface is suitable for UV printing, screen printing, and digital printing, ensuring vibrant colors and sharp images.Weather Resistance
Unlike paper or cardboard, PP hollow board is waterproof, moisture-proof, and UV-resistant, making it perfect for outdoor signage.Lightweight & Easy to Handle
Despite its strength, the board is extremely light, which makes transportation, cutting, and installation very convenient.Eco-Friendly & Recyclable
Made from 100% polypropylene, the material is fully recyclable, helping brands align with sustainability goals.Cost-Effective
Compared with acrylic or metal signboards, PP hollow board offers an affordable yet durable solution for short-term and medium-term campaigns.
Common Applications
Advertising boards & promotional displays
Real estate yard signs
Election campaign boards
Exhibition display panels
Event direction and information signs
Why Choose Our Factory?
At Zibo Shichuang Composite Materials Co., Ltd., we specialize in manufacturing and customizing PP hollow boards for signage printing. With various thicknesses (2mm–10mm), colors, and surface treatments available, we can provide tailor-made solutions to meet your project needs.
Contact us today for wholesale prices and custom printing services!
