Overview
Foam PVC sheets (also known as expanded PVC or polyvinyl chloride foam boards) are lightweight, rigid plastic panels with a closed-cell structure, making them easy to cut, route, shape, and bond.
Product Parameters
|
Specification |
Value |
|
Thickness |
1.0–30 mm (±0.1 mm for sheets under 10 mm) |
|
Standard Sizes |
1220 × 2440 mm, 1560 × 3050 mm, 2050 × 3050 mm |
|
Density |
0.45–0.70 g/cm³ |
|
Surface Finish |
Smooth matte on both sides |
|
Color Options |
Standard white, Pantone & RAL custom colors (ΔE < 1.0) |
|
Water Absorption |
<1.0% (ASTM D570) |
|
Tensile Strength |
12–15 MPa (ASTM D638) |
|
Flexural Modulus |
900–1200 MPa (ASTM D790) |
Technical Specifications
|
Property |
Performance |
|
CNC Machining |
Clean cutting without melting or edge chipping |
|
Printing Compatibility |
UV digital and screen printing, surface energy >38 dynes/cm |
|
Painting |
Compatible with acrylic, polyurethane, and vinyl coatings |
|
Thermoforming |
Heat forming at 120–130°C without blistering |
|
Fastening |
Screw holding strength up to 1,200 N |
|
Protective Film |
50 μm PE film on one or both sides |
|
Edge Accuracy |
Diagonal deviation less than 2.0 mm per sheet |
|
Thermal Stability |
Low thermal expansion (6.6 × 10⁻⁵ mm/mm/°C) |
Industry Applications
Visual Merchandising: Outdoor signage, retail graphics, and display panels used in environments with 3+ years of UV exposure requirements. Compatible with flatbed UV digital printing workflows in commercial print production lines.
Store Fixtures: Used in modular exhibition stands, retail kiosks, and pop-up store structures where MDF and plywood are typically replaced.
Marine & RV Cabinetry: Applied in boat interiors, RV cabinetry, and transport vehicle panels, including bilge areas, galley units, and storage compartments.
Architectural Millwork: Used in CNC-routed wall partitions, soffits, decorative panels, and wet-area interior installations where timber-based materials are commonly replaced in commercial construction projects.
Commercial Terms
MOQ: 5 MT per thickness for custom runs; 1 pallet (approx. 1.5 MT) for standard stock sizes and colors.
Lead Time: 14 to 21 days from receipt of 30% T/T deposit or confirmed irrevocable L/C.
Incoterms: FOB, CIF, or CFR pricing. DDP shipping available via Tier-1 contracted logistics partners.
Payment Terms: 30% T/T deposit, balance against B/L copy. 12-month annual volume contracts available to lock pricing against PVC resin volatility.
QA Workflow
Precision Extrusion
Continuous laser-caliper monitoring maintains a strict sheet thickness tolerance within ±0.1 mm.
Defect Control
Batch defect rate is strictly capped at under 0.5% to eliminate surface pitting, core bubbles, or edge deformation before loading.
Sample Dispatch
100 × 150 mm swatch books covering all standard gauges ship via DHL/FedEx within 48 hours for physical verification.
Third-Party Inspection
Full acceptance of SGS, Intertek, or buyer-appointed inspections. Factory lab testing reports are provided before container sealing.
Batch Traceability
Physical retention samples and extrusion line logs are archived for 24 months for reliable post-delivery tracking.
Compliance
Flame Retardancy: Certified UL 94 V-0 and Class A (ASTM E84) with a flame spread index under 25, meeting global commercial building codes.
UV Weatherability: Tested under ASTM G154 Cycle 1 for 1,000 hours with a color variance change maintained within ΔE < 1.5, verifying long-term outdoor stability.
Environmental Compliance: 100% compliant with REACH (EC 1907/2006) and RoHS Directive 2011/65/EU. Heavy-metal free (zero lead, cadmium, or phthalates).
FAQ
Q: How long does PVC foam sheet last in outdoor signage applications?
A: Under continuous UV exposure in temperate climates, the sheet typically maintains functional integrity for 6–8 years before noticeable surface fading appears.
Q: Can PVC foam sheet be used in marine interior environments with constant humidity?
A: Yes, it performs reliably in enclosed marine interiors for around 8–10 years without swelling or delamination.
Q: What is the maximum continuous service temperature before deformation risk increases?
A: The material remains dimensionally stable up to approximately 60°C in long-term exposure. Short-term exposure up to 70°C is acceptable.
Q: How resistant is the material to common cleaning chemicals used in retail environments?
A: It tolerates alcohol-based cleaners and mild alkaline detergents without surface whitening. However, prolonged exposure to ketone-based solvents may cause surface softening.
Q: What dimensional stability can be expected after large-format cutting?
A: For panels above 2 meters, dimensional drift is typically below 1.5 mm per meter after 48 hours of acclimatization. This makes it suitable for precision cabinet assembly.
Q: Can the material be recycled after end-of-life use?
A: Yes, it can be mechanically recycled into lower-grade PVC cores and construction fillers. Reprocessing yield efficiency is typically around 70–80% depending on contamination level.
Q: What is the claim protocol if a delivered container of PVC foam sheets fails to meet the thickness tolerance or tensile strength specs?
A: If any batch fails to meet the specified ASTM D638 tensile strength, thickness tolerances, or exhibits surface pitting exceeding AQL 1.0 limits, buyers can submit a claim with traceable batch logs. Upon verification via retention samples or a joint SGS inspection, we will dispatch free replacement sheets via priority ocean freight within 10 business days or issue a full FOB/CIF credit note against the next order.