PP Hollow Sheet — 4×8 Twin-Wall Polypropylene Board
Le Plaque creuse en PP , fabriqué à partir de polypropylene (PP) , is a lightweight, durable, and environmentally friendly material designed for a wide range of uses. Its 4×8 size and hollow structure combine strength, stiffness, and impact resistance while reducing weight and cost. Made from 100% recyclable materials , the sheet supports sustainability and is reusable after its lifecycle. Perfect for applications in packaging, signage, retail displays, construction, and more, the PP Hollow Sheet offers unmatched flexibility and efficiency.
1. PP Hollow Sheet Key Features & Specifications of PP Hollow Sheet Lightweight and Durable The hollow structure reduces weight without compromising strength, making the sheet easy to handle and install.
Avantage : Ideal for large-scale projects requiring durable yet portable materials.
Impact Resistance and Rigidity The dual-layer construction, with hollow channels between flat sheets, provides enhanced stiffness and impact resistance.
Exemple : Ensures reliability in demanding environments like construction or automotive applications.
Weather-Resistant Properties The PP material is resistant to moisture, UV light, and temperature fluctuations, making it suitable for both indoor and outdoor use.
Avantage : Maintains integrity and appearance under various environmental conditions.
Respectueux de l'environnement et recyclable Manufactured from 100% recyclable polypropylene , the sheet can be reused or recycled after use, aligning with sustainable practices.
Exemple : Ideal for businesses focused on reducing their environmental footprint.
Customizable for Specific Applications Le 4×8 size can be easily cut and shaped to meet unique project requirements, ensuring versatility across industries.
Avantage : Adaptable to packaging, signage, agricultural, and construction needs.
Caractéristiques techniques
Détails
Matériau Polypropylene (PP) — virgin or recycled
Structure Twin-wall (hollow) with internal ribs
Standard Size 4×8 ft (1220 × 2440 mm)
Custom Sizes Available — cut to your dimensions
Thickness Range 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm
Poids (4 mm) ~0.6 kg/m² (varies by thickness)
Sheet Weight (4×8, 4 mm) environ 1,78 kg par feuille
Options de couleur White, Black, Blue, Grey, Red, Green, Custom Pantone
Finition de surface Mat (standard), Brillant (en option)
UV Resistance Standard: 2–3 years outdoor
Plage de températures -20 °C to +60 °C continuous
Absorption d'eau <0.01% (virtually waterproof)
Résistance à la traction ≥20 MPa (MD), ≥18 MPa (TD)
Flexural Strength ≥25 MPa
Résistance aux chocs ≥10 kJ/m² (notched Izod)
Indice d'inflammabilité HB (standard)
Recyclabilité 100% recyclable (PP #5)
Certifications ISO 9001, REACH, RoHS compliant
Impression CMYK digital, screen printing, UV flatbed
2. PP Hollow Sheet Applications of PP Hollow Sheet Packaging and Logistics PP hollow sheets are widely used for custom packaging boxes, layer pads, divider sheets, and protective packaging. The lightweight design reduces shipping costs, while the waterproof material protects contents from moisture damage during transit. For layer pad applications, see our PP corrugated layer pads .
Used for creating lightweight, durable boxes and dividers for transporting goods.
Reduces packaging weight, lowering transportation costs and improving efficiency.
Signage and Retail Displays
Perfect for crafting promotional signage, retail displays, and point-of-sale boards. For outdoor display board solutions, see our range of PP sign boards .
Weather-resistant properties ensure long-lasting performance in outdoor displays.
Construction Industry
Acts as a protective layer for flooring, walls, and ceilings during renovations.
Provides strength and rigidity for temporary structures or barriers. For heavy-duty construction protection, explore our waterproof hollow board range.
Automotive Applications
Used for interior panels, protective liners, and lightweight automotive parts.
Combines durability and impact resistance with ease of installation.
Agricultural Use
Protects produce and agricultural products from environmental factors.
Lightweight design ensures easy handling in farm operations.
Engineered for Strength and Efficiency The hollow structure provides unmatched durability while keeping the material lightweight and cost-effective.
Adaptable Across Industries From signage to construction, the sheet’s versatility ensures it meets the demands of diverse applications.
A Sustainable Choice The recyclable nature of the material supports green initiatives, making it a responsible option for businesses and individuals alike.
PP Hollow Sheet vs Solid Plastic Sheet
Propriété
PP Hollow Sheet (Twin-Wall)
Solid Plastic Sheet (PP/PE/PVC)
Poids (4 mm) ~0,6 kg/m²
~3.6 kg/m² (6× heavier)
Stiffness-to-Weight Excellent — hollow ribs add rigidity
Good — but weight penalty
Coût au m² 40–60% lower
Higher raw material cost
Impact Absorption Hollow channels absorb and distribute impact
Transmits impact energy
Thermal Insulation Built-in — hollow channels trap air
Minimal — solid material conducts heat
Nail/Scrivets Hold Good — grip in hollow flutes
Excellent — solid grip
Idéal pour Signage, packaging, temporary protection, automotive liners
Load-bearing panels, permanent fixtures, machined parts
Recyclabilité 100% (PP #5)
Varies by material
Foire aux questions
What is a PP hollow sheet? A PP hollow sheet (also called twin-wall polypropylene sheet or corrugated plastic board) is a lightweight panel made from two flat PP skins connected by internal ribbing. This hollow structure provides high stiffness at very low weight — a 4 mm sheet weighs only ~0.6 kg/m² while offering comparable rigidity to much heavier solid materials.
What is the standard size of PP hollow sheets? The most common standard size is 4×8 ft (1220 × 2440 mm) . PPBOXY also supplies custom-cut sheets to your exact dimensions. Common widths include 1000 mm, 1220 mm, and 1560 mm, with lengths up to 3000 mm. Custom sizes are available with a minimum order of 100 sheets.
Can PP hollow sheets be used outdoors? Yes. Standard PP hollow sheets include UV stabilizers that provide 2–3 years of outdoor life without significant fading or embrittlement. For permanent outdoor installations (signs, building cladding), we offer extended-life UV formulations rated for 5+ years. The material is also waterproof and will not rot, swell, or delaminate in rain or snow.
How do I cut and fabricate PP hollow sheets? PP hollow sheets can be cut with a utility knife (score and snap for straight cuts), circular saw, or CNC router. They can be scored and folded for box-making, drilled for fasteners, and welded using hot air or ultrasonic welding. For curved shapes, sheets up to 4 mm can be cold-bent; thicker sheets may require thermoforming.
What thickness of PP hollow sheet should I use? ApplicationRecommended ThicknessYard signs, temporary signage3–4 mmPackaging boxes, dividers2–4 mmConstruction wall/floor protection4–6 mmAutomotive interior panels3–5 mmPermanent outdoor signage5–8 mmLoad-bearing or structural uses8–10 mm
When in doubt, contact our team — we will recommend the optimal thickness based on your specific application and loading requirements.
What is the difference between PP hollow sheet and corrugated cardboard? PP hollow sheets are waterproof (cardboard absorbs moisture and collapses), 20–30× more durable (cardboard degrades after 1–3 uses), and 100% reusable (cardboard is single-use in most applications). While PP sheets cost 3–5× more upfront, the cost-per-use drops significantly after multiple cycles — making PP the more economical choice for reusable packaging, outdoor signage, and multi-trip logistics.
Are PP hollow sheets food-safe? Virgin-grade PP hollow sheets comply with FDA 21 CFR 177.1520 for indirect food contact and EU Regulation EC 1935/2004 for food-contact materials. They are suitable for food packaging dividers, beverage layer pads, and agricultural produce trays. For direct food contact applications, specify food-grade virgin PP and request certification documentation with your order.
Can PP hollow sheets be printed on? Yes. PP hollow sheets accept CMYK digital printing , screen printing, and UV flatbed printing directly onto the surface — no priming required. Full-surface, edge-to-edge printing is possible on both single and double sides. Minimum order for custom-printed sheets is 200 pieces. Standard lead time is 7–10 working days.
Plaque creuse en PP