Plywood Shuttering Sheets
Overlaid Plywood is a functional engineered wood panel. It is manufactured by laminating one or multiple layers of polymer overlay film (commincluding phenolic resin film, melamine resin film, or PVC film) onto standard plywood substrate through a hot-pressing process.
- Product Introduction
Product Description
Overlaid Plywood is a functional engineered wood panel. It is manufactured by laminating one or multiple layers of polymer overlay film (commincluding phenolic resin film, melamine resin film, or PVC film) onto standard plywood substrate through a hot-pressing process. This combines the mechanical strength of the substrate with the protective and decorative properties of the overlay, making it a widely used material in construction, furniture manufacturing, packaging, and other fields. From the perspective of core characteristics, the advantages of overlaid plywood are significant:
Weather and Wear Resistance
The surface overlay is dense and smooth, resisting moisture, acids, and alkalis. It is less prone to cracking or warping, and offers high resistance to abrasion and scratches, resulting in a service life far exceeding that of standard plywood.
Easy Cleaning and Maintenance
The non-porous surface prevents dust and stains from adhering. Routine cleaning only requires wiping with a damp cloth, making it especially suitable for humid or high-traffic areas like kitchen cabinets and bathroom vanities.
Strong Decorative Appeal
The overlay can be customized in various colors and textures (such as wood grain, stone patterns, or solid colors) to match different interior design styles. It can replace some solid wood or decorative panels, offering higher cost-effectiveness.
Structural Stability
The plywood substrate, composed of cross-laminated veneers, provides inherent strength and dimensional stability. The overlay further enhances deformation resistance, allowing the panel to be used directly for furniture surfaces, construction formwork, and other applications.
Detailed Presentation
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Parameter Category |
Specific Parameters |
Standards/Requirements |
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Dimensional Specifications |
Standard Panel .Dimensions |
Standard: 2440mm×1220mm (4'×8'); Customizable non-standard sizes such as 1830mm×915mm (3'×6'), 2440mm×1525mm, etc. |
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Thickness Range |
Construction Formwork Class: 9/12/15/18/21/24mm; Furniture & Decoration Class: 3/5/9/12/15/18mm; Ultra-Thin Type 3-5mm (for decorative overlays), Ultra-Thick Type 21-24mm (for load-bearing) |
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Tolerance Requirements |
Thickness Tolerance ≤±0.5mm (Standard), ≤±0.3mm (High Precision); Length/Width Tolerance ≤±5mm; Diagonal Deviation ≤3mm (Complies with GB/T 9846-2015) |
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Material Parameters |
Core Substrate (Density) |
Poplar ≥0.4g/cm³, Pine ≥0.5g/cm³, Birch ≥0.6g/cm³ |
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Substrate Grade (Environmental) |
E0 Grade (Formaldehyde ≤0.124mg/m³), E1 Grade (Formaldehyde ≤0.18mg/m³); Construction Grade allows minor defects, Furniture Grade requires no obvious defects |
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Substrate Bonding Process |
Water-resistant adhesives (e.g., phenolic resin glue), solid content≥45%;Bonding Strength≥0.7MPa (Hardwood), ≥0.35MPa (Softwood) |
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Overlay Type and Thickness |
Phenolic Resin Film 0.15-0.3mm, Melamine Resin Film 0.1-0.2mm, PVC Film 0.2-0.5mm, PET Film 0.08-0.15mm |
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Overlay Performance |
Phenolic Film: Heat Resistance ≥180°C, Water Resistance Class I; Melamine Film: Hardness ≥2H, Abrasion Resistance ≥400 cycles; PVC Film: Weathering Resistance (UV 500h without degradation) |
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Overlay Adhesive |
Water-based Polyurethane Adhesive/Hot Melt Adhesive, adhesive layer thickness 0.05-0.1mm, Peel Strength ≥1.5N/mm |
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Physical Properties |
Density |
0.55-0.75g/cm³; Furniture Grade deviation ≤±0.03g/cm³ |
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Moisture Content |
Standard Range: 6%-14%; Variation ≤2% under normal temperature and humidity |
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Water Absorption/Swelling |
24h: Overlaid Surface ≤8%, Edge/Side ≤12% (Complies with GB/T 9846-2015 Class II or higher) |
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Flatness |
Deviation ≤0.5mm/m; Gap ≤0.3mm under a 2m straightedge |
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Operational Performance Parameters |
Static Bending Strength (MOR) |
Longitudinal ≥15MPa, Transverse ≥12MPa |
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Modulus of Elasticity (MOE) |
≥4000MPa |
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Nail-Holding Strength |
Longitudinal ≥1100N, Transverse ≥800N |
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Abrasion Resistance |
Melamine Film ≥400 cycles, PVC Film ≥1000 cycles; Phenolic Film withstands concrete friction ≥50 passes |
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Stain Resistance |
Common stains (e.g., soy sauce, alcohol) wiped off with a damp cloth after 24h contact without residue |
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Scratch Resistance |
No visible scratches under 2H pencil, 500g load; Metal light scratches are repairable (PVC) or do not expose substrate (Melamine/Phenolic) |
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Workability/Machinability |
Cutting and drilling without edge chipping; Suitable for nailing, gluing, mortise & tenon jointing |
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Reusability Cycles (Construction Use) |
Phenolic Overlaid ≥15 cycles (with proper construction practices) |
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Installation Convenience |
Standard 18mm panel weight ≤25kg; Suitable for manual installation, provides good sealing when joined |
Why Choose Us
We deliver precision-engineered quality that builds trust, and dependable performance that ensures your project succeeds.
1.A professional team provides product usage training for clients, with engineers conducting on-site demonstrations of formwork installation and maintenance techniques.
2.After-sales personnel respond promptly to client inquiries, addressing questions about formwork usage through phone or online communication for swift resolution.
3.In the event of quality issues during formwork use, the after-sales team will conduct on-site inspections and replacements to ensure construction progress remains unaffected.
Appendix: Common Issues with Uncoated Construction Plywood (FAQ)
Q1. What can you buy from us?
A: Construction Formwork Plywood/Plywood Shuttering Sheets/Formwork Plywood 18mm/Steelply Formwork/Bridge Shuttering/Formwork Bridge Construction/Concrete Column Formwork/Aluminum Alloy Formwork/High-strength Steel Formwork/Ring Scaffold System/Aluminium Scaffolding System/Kwikstage Scaffolding System/Cuplock System/Scaffolding Metal Plank/ Scaffolding Coupler/ Scaffolding Prop/Scaffolding Accessories/Insulation Materials/Solar Photovoltaic Bracket.
Q2. Packing and Shipment
A:From fabrication to loading, use standard export packages to get to your site quickly.
Q3. Manufacture and Quality Inspection
A:We boast a large-scale production workshop, first-class production lines, and a professional quality inspection team, all of which enable us to provide you with high-standard quality products.
Test reports can be provided in accordance with relevant norms of different regions, ensuring no worries for clients and compliance with the requirements of local authorities at the destination.
Q4. Consulting,Design,and Quotation
A: Our professional engineering team will first provide you with a general overview of formwork and scaffolding solutions to match your project requirements. We will design customized scheme based on your structural drawings using AutoCAD.
Q5. Remote or On-site instruction
A:If you have any questions, we can provide remote or on-site guidance. Our aim is to make customers feel at ease and satisfied throughout the process.
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