1. Transparent PVC Board Basics
Transparent PVC board is a polymer sheet made primarily from polyvinyl chloride resin with transparent modifiers and anti-UV agents, formed by calendering or extrusion. Compared with ordinary rigid PVC board, transparent PVC board retains acid/alkali resistance, flame retardancy, and easy processing while boosting light transmittance to 85%-90%, approaching ordinary glass (90%) at half the density and over 10x the impact strength, making it an ideal glass alternative.
1.1 Core Performance Parameters
| Parameter | Value | Standard |
|---|---|---|
| Light transmittance | 85%-90% | GB/T 2410 |
| Density | 1.35-1.40 g/cm³ | GB/T 1033 |
| Tensile strength | ≥50MPa | GB/T 1040 |
| Impact strength | ≥5kJ/m² | GB/T 1843 |
| Vicat softening temperature | ≥80°C | GB/T 1633 |
| Long-term service temperature | -10°C to 60°C | — |
| Flame retardancy | V-0 / B1 | UL94 / GB 8624 |
1.2 Sizes and Price Ranges
Common sizes: 1220mm×2440mm, 1000mm×2000mm; thickness 1-20mm. Domestic reference prices:
- 2mm: 35-55 RMB/m²
- 5mm: 80-120 RMB/m²
- 10mm: 160-220 RMB/m²
- 15mm: 240-320 RMB/m²
- 20mm: 320-420 RMB/m²
Imported brands (Swiss AGRU, Japan TAKIRON) typically cost 1.5-2x domestic.
2. Application 1: Advertising Signage and Light Boxes
2.1 Features
Light boxes, 3D letters, and display panels are the classic use cases for transparent PVC board. Advantages include:
- High transmission, low glare: surface can be matte or mirror; light is even and soft
- Easy processing: laser cutting, engraving, hot bending, silk screen; tolerance ±0.1mm
- Weather resistance: with UV agents, outdoor life 3-5 years
- Light and safe: half the weight of glass per area; easy installation
2.2 Selection
Outdoor light boxes: 3-5mm UV-modified board with transmittance ≥88%; indoor displays: 2-3mm standard transparent; large vertical boxes: 5-8mm for rigidity.
3. Application 2: Chemical Equipment Sight Windows
3.1 Features
Sight windows on reactors, electroplating tanks, and acid storage tanks widely use transparent PVC board because:
- Corrosion resistant: withstands concentrated HCl, dilute H2SO4, NaOH, plating solutions
- Transparent: 85% transmittance for clear level and reaction observation
- Safe: B1 flame retardant, impact-resistant, no shatter splash
3.2 Selection
Industrial-grade transparent UPVC, thickness 8-15mm depending on vessel diameter. Strong oxidizers (conc. HNO3, chromic acid) require PVDF or CPVC transparent board. High-temperature (>60°C) requires heat-modified PVC or PC board.
4. Application 3: Medical Devices and Lab Equipment
4.1 Features
Medical hoods, lab bench splash guards, and instrument covers require combined transparency, corrosion resistance, and cleanability. Transparent PVC board offers:
- Transmittance ≥88% for clear observation
- Resists repeated 75% alcohol and chlorine disinfectant wiping
- Shore hardness D85-D90, scratch-resistant
- V-0 flame retardant, meeting medical device safety
4.2 Selection
Medical applications require RoHS-compliant, unplasticized rigid transparent PVC to avoid phthalate migration. Food/pharma contact requires food-grade PVC per GB 4806.7.
5. Application 4: Architectural Decoration and Partitions
5.1 Features
Office partitions, shower screens, skylights, and sunroom side panels widely use transparent PVC board because:
- Soft transmission balances privacy and brightness
- Sound insulation 25-30dB, better than equal-thickness glass
- B1 flame retardant, meeting building fire code
- Hot-bendable for curved forms
5.2 Selection
Office partitions: 5-8mm with matte finish; shower screens: 8-10mm anti-fog; skylights: 10mm+ UV-modified to resist wind and snow loads.
6. Application 5: Electrical Insulation Parts
6.1 Features
Cabinet observation windows, battery separators, and insulating housings benefit from transparent PVC board's:
- Excellent insulation: volume resistivity ≥10¹⁴ Ω·cm
- Arc resistance: ≥120s
- Visual monitoring: clear view of equipment status
- V-0 flame retardant: self-extinguishing
6.2 Selection
High-voltage scenarios use 10mm+ thick boards with seals. Battery separators require low-extractable, electrolyte-resistant formulations. Outdoor enclosures need UV-modified boards.
7. Five Buying Tips for Transparent PVC Board
- Check transmittance: use a transmittance meter; industrial ≥85%, optical ≥88%
- Inspect bubbles and impurities: surface should have no visible bubbles, black spots, or flow lines
- Verify thickness tolerance: ±0.1-0.3mm; over-tolerance affects assembly
- Verify weathering: outdoor use requires UV agents and a xenon-arc aging report
- Hygiene compliance: medical/food applications must have GB 4806.7 report
As a professional engineering plastics supplier, huagong offers multi-spec, multi-brand transparent PVC board with laser cutting and hot bending. Contact us for quotes.
8. FAQ
Q1: Transparent PVC vs acrylic—which is better?
Each has strengths. PVC offers better corrosion resistance, flame retardancy, and impact strength; acrylic has higher transmittance (92%) and is polishable. Choose acrylic for signage, PVC for chemical service.
Q2: Can transparent PVC board be used outdoors?
Yes, but only UV-modified grades; otherwise it yellows and embrittles within a year. Outdoor life 3-5 years; for long-term outdoor use, PC board (10+ years) is recommended.
Q3: What temperature can transparent PVC withstand?
Long-term ≤60°C, instantaneous ≤80°C; deforms above Vicat (80°C). High-temperature applications should use CPVC (95°C) or PC (120°C).
Q4: How to cut transparent PVC board?
Thin (≤3mm): utility knife or shear; medium (3-10mm): laser or saw; thick (>10mm): CNC or water jet. Laser cutting yields smooth, burr-free edges and is preferred.
Q5: Is transparent PVC board toxic?
Industrial rigid transparent PVC is mainly PVC resin and transparent modifiers, non-toxic at room temperature. Food contact requires food-grade PVC (GB 4806.7); avoid plasticized formulations.
9. Summary and Action
Transparent PVC board's combined transparency, corrosion resistance, flame retardancy, and processability make it irreplaceable in advertising, chemical sight windows, medical devices, architectural decoration, and electrical insulation. Before purchase, evaluate transmittance, thickness, temperature resistance, weathering, and hygiene compliance to avoid rework and losses.
For detailed spec sheets or custom processing, contact huagong—our engineering plastics team provides professional selection support.
Related:
- Browse the Engineering Plastics Center for transparent PVC, PC, and acrylic specs
- Read PVC Board Specifications and Prices for rigid PVC sheet specs
- Contact huagong for laser cutting and hot bending services