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 Polycarbonate Sheet

Polycarbonate Sheet
PC Hollow Sunlight Sheet, full name Polycarbonate Hollow Sheet, is a lightweight and high-transmittance engineering sheet produced by co-extrusion process using high-purity polycarbonate (PC) particles.
WhatsApp: +86 17763515339
Email: sales10@cnhgsteel.com

Product Description

Its core advantages include high light transmission, impact resistance, UV resistance, thermal insulation, light weight and long service life, making it the mainstream lighting material for high-end greenhouses, sunrooms and multi-span greenhouses.

Material Composition

Base Material

Food-grade /industrial-grade polycarbonate (PC) resin, high impact resistance, wide temperature resistance.

Functional Additives

1. UV coating (single/double side): Blocks UV rays, anti-aging & anti-yellowing

2. Anti-aging agent: Improves outdoor weatherability and prolongs service life

3. Thermal insulation additive: Enhances heat insulation of hollow structure

4. Antistatic agent (optional): Reduces dust adhesion and maintains high light transmittance

Key Parameters and Specifications)

Basic Specifications Table

Parameter item

General optional specifications

Regular Optional Specifications

Thickness

4mm / 6mm / 8mm / 10mm / 12mm / 16mm / 20mm

The thicker the sheet, the higher strength, better insulation and stronger wind/snow resistance.

Width

1.0m / 1.22m / 1.5m / 2.0m / 2.1m

Common widths for greenhouses: 1.22m/2.0m, customizable cutting available.

Length

5.8m / 6m / 11.8m / 12m (customizable)

Length can be customized according to greenhouse frame size to reduce waste.

Structure

Double-layer hollow / Triple-layer honeycomb / Quadruple-layer rectangular

Higher layers mean better thermal insulation and load-bearing performance.

Light Transmittance

65% – 88%

Transparent type has highest transmittance; diffused type prevents plant burn.

Service Life

10–15 years / 15–20 years (enhanced UV protection)

Depends on UV coating and raw material grade.

Color

Transparent / Lake Blue / Grass Green / Milky White / Brown

Transparent for greenhouses, colored for shading and decoration.

Temperature Range

-40℃ ~ 120℃

Adapt to extreme cold, high temperature, strong sunlight and harsh climates.


Key Function Analysis

 High Light Transmission & Diffusion

PC sheet has light transmittance close to glass. Diffused type provides soft & even light, avoids direct burn and improves photosynthesis efficiency.

 UV Resistance & Anti-aging

Double-sided UV coating effectively blocks UV rays. No yellowing, cracking or brittleness outdoors, service life up to 10–20 years.

 Thermal Insulation

Hollow structure forms insulation air layer, keeps warm in winter and cool in summer, more energy-saving than glass, greatly reduces greenhouse heating & cooling cost.

 Impact & Wind/Snow Resistance

PC material has impact resistance over 200 times that of glass. Light weight & high strength, resist strong wind, hail and heavy snow pressure, safe and unbreakable.


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