Leading Manufacturer of Multiwall Polycarbonate Sheets in China

Multiwall polycarbonate sheets offer the insulation air space to reduce thermal energy transfer and create connective ribs between both sides for stranger structure and higher impact resistance. Therefore, multiwall polycarbonate is lighter weight than solid polycarbonate sheet, but same strength. Comparing with the plexiglass sheet, it is lighter weight, but stronger. The normal structures are twin-wall, triple-wall, four-wall, five-wall, seven-wall, sometimes, it offers the plugging structure and is used as roofing panels and facade system.

UVMPC is the family code of UVPLASTIC Multiwall Polycarbonate Sheets, which are the right choice for the roofing application of the greenhouse, building, garden restaurant, family carport, skylight, walkway, patio, and pergola, etc. The warranty is 10 years or 15 years.

UVPLASTIC is a leading manufacturer of multi-wall polycarbonate in China. We use virgin raw material from Sabic and Bayer, therefore, the quality is excellent. Otherwise, we also provide machining polycarbonate service, Today, we are providing high-quality polycarbonate sheets to more than 1200 clients all over the world.

Multiwall Polycarbonate Sheets Specification

Standard Size for UVMPC Multiwall Polycarbonate Sheets

Products NameModelThickness RangeStandard WidthMax. Length (m)
Twin wall polycarbonate sheetUVMPC-TWFrom 4mm to 12mm1220mm, 2100mm12 m
Four wall polycarbonate sheetUVMPC-FOFrom 8mm to 20mm1220mm, 2100mm12 m
Honeycomb polycarbonate sheetUVMPC-HOFrom 8mm to 16mm1220mm, 2100mm12 m
Five wall polycarbonate sheetUVMPC-FIFrom 18mm to 30mm1220mm, 2100mm12 m


UVMPC Multi Wall Polycarbonate Sheets Range

UVMPC-U1Standard model with the co-extruded UV protective layer on one side
UVMPC-U1AThe co-extruded UV protective on one side, and anti-fog coating layer on another side for greenhouse
UVMPC-U2The co-extruded UV protective on both sides


Custom coating layer is available;

Colors and Surface for UVMPC multiwall Polycarbonate Sheet

TypeColor DescriptionSurface Description
TransparentClear, Bronze, Red, Blue, Green, Solar GreySmooth, texture, diffuser
TranslucentWhite Opal, Yellow, Red, Mint Green, White OpalSmooth, texture, diffuser
OpaqueBlack, Yellow, Dark Blue, Cream, Dark Grey, Dark BrownSmooth


UVPLASTIC can provide custom colors upon clients’ request, subject to a minimum order.

Physical Properties of multiwall polycarbonate

ItemTest MethodTesting ConditionUnitValue
DensityD-792 g/cm31.2
Heat Deflection TemperatureD-648Load: 1.82 MP°C135
Short Term Service Temperature  °Cfrom -50 to +130
Long Term Service Temperature  °Cfrom -40 to +100
Coefficient of Linear Thermal ExpansionD-696 mm/m °C0.065
Thermal ConductivityC-177 W/m K0.21
Tensile Strength at YieldD-63810 mm/minMpa or N/mm²>65
Tensile Strength at BreakD-63810 mm/minMPa or N/mm²>60
Elongation at YieldD-63810 mm/min.%6
Elongation at BreakD-638 %>95
Tensile Modulus of ElasticityD-6381 mm/minMPa2350
Flexural StrengthD-7901.3 mm/min.MPa100
Flexural ModulusD-7901.3 mm/min.MPa2600


Default third-party testing organization is SGS;


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Mian Benefits

  • Low thermal energy transfer with the insulation air space;
  • High impact resistance with the connective ribs between both sides;
  • Lighter weight than solid polycarbonate panel and acrylic;
  • Co-extruded UV the protective layer on one side for standard multiwall sheets;
  • Co-extruded UV protective layers on two sides are available;
  • The anti-fogging coating is available;
  • Block more than 99.9% ultraviolet rays;
  • A variety of standard colors are optional;
  • Custom colors are available, subject to MOQ;
  • UVPLASTIC can cut multiwall polycarbonate sheets to sizes according to requirement;
  • Custom fabrication is available;
  • More than 10 years of warranty;
  • Withstands most extreme hot and cold climates between -40°C to 120 °C;
  • High fire performance rating;
  • Easy to deliver and install;
Polycarbonate greenhouse roofing
UL and RoHS for polycarbonate sheet

Certificates Of Multiwall Polycarbonate

All UVMPC Polycarbonate meet the V-1, fire rating according to UL94;

UVPLASTIC offers environmentally-friendly multiwall polycarbonate sheets and meets RoHS and REACH requirements.

Need A Quotation for Multiwall Polycarbonate Sheets

For a fast quotation, you need to tell us the following information

Multi wall polycarbonate profile


UVMPC multiwall polycarbonate sheets offer many structures, such as twin-wall, triple-wall, four-wall, five-wall, seven-wall, roofing system, and facade system. You need to tell us the structure when you send an inquiry.

Multiwall polycarbonate sheet Size


UVPLASTIC offers the standard multiwall polycarbonate sheet with 2100mm width. Otherwise, we can provide custom sizes and shapes. Just tell us your requirement for a fast quotation.

Coating multi wall polycarbonate

Coating Requirement

Normally, the one-side UV protective layer will be coated on one side for UVMPC multiwall polycarbonate sheets. But we provide custom options, such as UV coating layer on two sides, or UV coating layer on one side, anti-condensation on another side for greenhouse.

How many of multi wall polycarbonate


The more quantity results in the low production cost, therefore, clients will get a better price according to quantity. UVPLASTIC have MOQ requirement for custom and colored multi-wall polycarbonate sheets.

multi wall polycarbonate roofing


Tell us your application, our engineers can confirm your choice will be the best one and give more suggestions to meet your budget.

Why Do You Choose UVPLASTIC?

Supplier of Polycarbonate

One-Stop Supplier

UVPLASTIC provides polycarbonate sheets in all forms, thickness from 0.125mm to 50mm, it means that you can find all polycarbonate here.

Buy Polycarbonate Raw Material

Top Material Suppliers

UVPLASTIC use the virgin material from top suppliers, such as Sabic (GE), Covestro (Bayer), Mitsubishi, Teijin for best quality.

Machining Polycarbonate

Machining Services

UVPLASTIC design base on requirements, and find the balance between cost and performance by providing the integrated machining solution.

Happy Clients of UVPLASTIC

Over 2000 Happy Clients

With more than 25 years of experience, UVPLASTIC provides high-quality polycarbonate-based products to global clients.

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Frequently Asked Questions

The multiwall polycarbonate sheet is a strong polycarbonate sheet with the cell structure and insulation air space, it is often used for greenhouse, building roofing and skylight dome, facade system due to its durability and shatter-resistant properties. It can provide 50% or 70% more thermal insulation than glass. The lifespan will be 10 years or 15 years with the UV protective layer.

Multi wall polycarbonate sheet is one of the best clear roofing material, it provides excellent light transmission, durability, lightweight, the warranty is 10 years. As the best roofing material, multiwall polycarbonate sheet can withstand the extreme heat and cold, heavy snow, falling objects, etc. It is one of the right choices for clear roofing material. Otherwise, UVPLASTIC provides UVRPC Polycarbonate Roofing Panel, which is the integrated roofing system.

Yes, UVPLASTIC multiwall polycarbonate sheet was coated with the UV coating layer on one or both surfaces, it can block more than 99.9% UV Rays.

The standard width is 2100mm because of the standard mould. There will be some material wastage if you need other widths, please contact our sales manager for more details.

Yes, multiwall polycarbonate sheet is one of the best building facade materials, but we suggest you use UVFA polycarbonate facade panel because it is an integrated system for building facade.

Yes, UVPLASTIC will co-extrude the UV Protective Layer when manufacturing it. Normally, we will coat UV Layer on the outside surface, but we can coating the UV layer on both sides if clients need it.


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