The 10mm purple four-layer polycarbonate sheet is a specialized type of polycarbonate sheet that features a unique four-layer structure. This structure is designed for enhanced durability, light diffusion, and aesthetic appeal.

Here’s a more detailed description of its features and benefits:
1. Material Composition:
- Polycarbonate is a high-performance plastic known for its strength, impact resistance, and UV protection. The purple color is achieved by incorporating colored additives into the polycarbonate material.
- The four-layer design typically includes:
- Outer layer: The surface layer is often treated for UV protection, preventing degradation from sunlight and ensuring long-lasting color retention.
- Internal layers: These layers provide strength and help improve thermal insulation and impact resistance. Depending on the design, one or more layers may feature honeycomb or multi-wall structures for better rigidity and thermal efficiency.
- Inner layer: This layer is typically engineered to further protect against UV rays, contributing to the sheet’s overall durability and longevity.
2. Appearance and Color:
- The purple color gives the polycarbonate sheet a distinct, aesthetic look, making it suitable for applications where both functionality and visual appeal are important. The color can range from deep violet to lighter lavender, depending on the formulation used.
- The color also acts as a natural filter for visible light, offering a softer, more diffused light transmission while blocking some UV rays.
3. Light Diffusion:
- The four layers of polycarbonate can help diffuse light, reducing glare and creating a more pleasant, evenly distributed light environment. This makes purple four-layer polycarbonate sheets ideal for applications like skylights, canopies, or enclosures where light quality is crucial.
4. Strength and Durability:
- Polycarbonate is known for its high impact resistance, and the four-layer construction further enhances its strength. The sheet can withstand harsh weather conditions, such as strong winds, hail, or heavy snow.
- It is also highly resistant to breaking or cracking, making it an excellent material for outdoor applications.
5. UV Protection:
- One of the key features of polycarbonate sheets, including purple variants, is the UV protection layer. This protects both the material itself from UV degradation and any objects or spaces beneath the sheet from harmful UV rays.
6. Thermal Insulation:
- The multi-layer structure provides some level of thermal insulation, helping to regulate the temperature of the space beneath the sheet. This makes it more energy-efficient for roofing or building applications, as it can reduce heat loss or gain.
7. Applications:
- Skylights and Roofs: Used in residential or commercial buildings to allow natural light while offering some UV filtering.
- Awnings and Canopies: Ideal for outdoor structures that require both protection from the sun and aesthetic appeal.
- Decorative Panels: Due to its unique color and light diffusion qualities, it can be used for artistic or architectural projects.
- Greenhouses: Offers protection for plants by blocking harmful UV rays while still allowing enough light for photosynthesis.



8. Advantages:
- Aesthetic Appeal: The purple color provides a distinctive and elegant look, which can enhance the design of any structure.
- UV Resistance: Protects both the sheet and the area below from harmful UV rays.
- High Impact Resistance: Provides long-term durability, making it ideal for areas prone to rough weather.
- Energy Efficiency: The thermal insulation properties can contribute to energy savings in building applications.
The specifications of purple four-layer polycarbonate sheet:
Specification |
Details |
Material |
Polycarbonate (PC) |
Color |
Purple (Various shades from violet to lavender) |
Structure |
Four-layer construction |
Layer Configuration |
- Outer UV-protected layer
- Two internal structural layers (could be multi-wall or honeycomb)
- Inner UV-protected layer |
Thickness |
10mm (custom thickness available) |
Width |
2,100mm (varies by manufacturer) |
Length |
Up to 12 meters (customizable) |
Light Transmission |
35% to 80% (depending on thickness and color intensity) |
UV Protection |
99% UV blocking (due to UV-resistant coatings on both sides) |
Impact Resistance |
200 times stronger than glass |
Thermal Insulation |
K-value between 2.5 to 3.5 W/m²·K (depending on layer structure) |
Fire Resistance |
Class B1 (Fire retardant, non-combustible) |
Density |
Approx. 1.2g/cm³ |
Coefficient of Thermal Expansion |
6.5 x 10^-5 / °C |
Warranty |
10-15 years (depending on manufacturer and UV protection) |
Max Temperature Resistance |
Up to 120°C (continuous), up to 135°C (short-term) |
Frequently Asked Questions (FAQs)
1. What is Polycarbonate?
Polycarbonate is a durable, lightweight, and transparent thermoplastic material known for its high impact resistance, clarity, and excellent UV protection. It is commonly used in roofing, canopies, windows, and other applications where strength and transparency are needed.
2. What types of Polycarbonate Sheets do you manufacture?
We manufacture a wide range of Polycarbonate sheets, including:
- Solid Polycarbonate Sheets (Clear, Colored, and Opaque)
- Twin-wall Polycarbonate Sheets
- Multi-wall Polycarbonate Sheets
- Honeycomb Polycarbonate Sheets
- Corrugated Polycarbonate Sheets
- UV-coated Polycarbonate Sheets
- Polycarbonate Skylights and Awnings
- Polycarbonate Wave Tiles, Glazed Tiles, and Great Wall-style Tiles
3. What are the advantages of Polycarbonate Sheets over Glass?
- Impact Resistance: Polycarbonate is 250 times stronger than glass.
- Lightweight: Polycarbonate is much lighter than glass, making it easier to handle and install.
- UV Protection: Our Polycarbonate sheets come with UV coating, protecting against harmful UV rays and extending the lifespan of the material.
- Energy Efficiency: Polycarbonate sheets provide good thermal insulation, reducing energy costs.
- Safety: Unlike glass, Polycarbonate does not shatter into sharp pieces, making it safer for use in high-risk areas.
4. Can Polycarbonate Sheets be used for outdoor applications?
Yes, Polycarbonate sheets are ideal for outdoor applications due to their excellent weather resistance. They can withstand extreme temperatures, UV exposure, rain, and snow without deteriorating. Common outdoor uses include roofing, awnings, greenhouses, pergolas, and canopies.
5. What is the difference between solid Polycarbonate and multi-wall Polycarbonate sheets?
- Solid Polycarbonate Sheets: These are solid, single-layer sheets that offer high impact resistance and clarity, ideal for applications requiring transparency and strength.
- Multi-wall Polycarbonate Sheets: These sheets have internal ribs that create multiple layers, providing excellent thermal insulation and reducing heat loss. They are typically used for roofing and building applications where insulation is a priority.
6. How do you maintain Polycarbonate Sheets?
Polycarbonate sheets are easy to maintain. Simply clean them with mild soap and water using a soft cloth. Avoid abrasive cleaners or harsh chemicals that could damage the surface. Regular cleaning will help maintain clarity and longevity.
7. Can Polycarbonate Sheets be cut or shaped?
Yes, Polycarbonate sheets are versatile and can be easily cut, drilled, and thermoformed to meet specific requirements. Our sheets can be customized in size, shape, and thickness as per your needs.
8. What sizes do you offer for Polycarbonate Sheets?
We offer standard sizes such as 1220mm x 2440mm and 1220mm x 3050mm. However, we can also provide custom sizes based on your specific project requirements. Please contact us for more details on custom orders.
9. What are the typical applications for Polycarbonate Awnings?
Polycarbonate awnings are commonly used for:
- Residential and commercial entryways
- Pergolas and patios
- Carports and garages
- Walkways and public shelters
- Bus stops and outdoor waiting areas
They provide excellent protection against rain, snow, and UV rays while allowing natural light to pass through.
10. Are Polycarbonate Sheets resistant to UV rays?
Yes, our Polycarbonate sheets are UV-resistant. They come with a special UV coating on one side to protect the material from the harmful effects of UV radiation, preventing yellowing and degradation over time. This makes them ideal for outdoor applications.
11. Can Polycarbonate Sheets be used for skylights?
Yes, Polycarbonate sheets are an excellent choice for skylights due to their high light transmittance and UV protection. They provide natural lighting while offering insulation and protection from UV rays.
12. Do you offer OEM services?
Yes, we offer OEM services. We can customize Polycarbonate sheets and awnings to suit your specific design requirements, including custom sizes, colors, and thicknesses. Contact us for more details on our OEM capabilities.
13. What is the lead time for Polycarbonate sheet orders?
The lead time depends on the size and quantity of your order. For standard orders, we typically ship within 7 to 10 business days. Custom orders may take longer depending on complexity and customization. Please contact us for an estimated delivery time.
14. What certifications do your Polycarbonate Sheets have?
Our Polycarbonate sheets comply with international standards, including:
- ISO 9001 for quality management
- CE certification for European markets
- UL 94 V-2 fire rating
- RoHS compliance for environmental safety
15. How can I get a quote for Polycarbonate Sheets or Awnings?
You can easily request a quote by contacting us through our website or by email. Please provide the following details for an accurate quote:
- Type of Polycarbonate sheet (e.g., solid, multi-wall, twin-wall)
- Dimensions (size, thickness)
- Quantity
- Customization requirements (e.g., color, UV coating)
- Delivery location



