Solar Fabrication Accessories

Products Categories

Bifacial Solar Panel Vertical Module Cell dual double glass 600W ~ 700W

High Power Mono Solar Panel Monocrystalline Module Tier 1

High Power Poly Solar Panel Polycrystalline Solar Cells Tier 1

High Power HJT Solar Panel Half Cut Module Cell Tier 1

High Power TOPCon Solar Panel P Type Module Cells Tier 1

High Power PERC Solar Panel N Type Silicon Module Cells Tier 1

High Power Perovskite Tandem Solar Panel Module Tier 1

High Power ETFE solar Panel Thin-Film Module Flexible Bendable

High Power Flexible Solar Panel ETFE Module Soft Bendable

High Power Solar Street Light with Solar Panel and Lithium Battery

0102030405

solar panel backsheet PET solar module back sheets

solar panel backsheet PVDF solar module back sheets

solar panel backsheet TPT solar module back sheets

solar panel backsheet for production of solar module back sheets

solar panel backsheet PET for manufacturing solar module back sheets

solar panel backsheet PET for assembling solar module back sheets

Solar Panel Backsheet PET PVDF TPT for PV Module Production

PET and TPT backsheet for solar modules.

Features of Photovoltaic backsheet

Weather resistance

Electrical insulation

Mechanical strength

UV protection

Durability and longevity

Cost-effectiveness

product details

PET Backsheet for small solar panel (FPF)

Supplied in roll w/t width 670mm.

Thickness 0.2mm.

Color options: white, black, opaque, transparent.

TPT Backsheet for medium and large solar panel

Supplied in roll w/t max width 1300mm.

Thickness 0.3mm.

Color options: white, black, opaque, transparent.

Technical Parameters of TPT Back sheet for Photovoltaic Lamination

Product Code	Color and Description	Thermal class	Thickness range (mm)	Features
ST25T	Clear film for solar cell backsheets	E	0.10-0.35	Clear film with excellent electrical insulation & vapor barrier property, very good coating processing performance. UL listed.
ST25R	Milk white film for solar cell backsheets	E	0.10-0.35	Translucence, milk white film with excellent electrical insulation & vapor barrier property, very good coating processing performance. Passed the UL, Germany TUV test.
ST11	Opaque white film for solar cell backsheets	E	0.10-0.30	Opaque white film with high shading performance, excellent electrical insulation performance, very good coating processing performance. UL listed.
ST28	Black film for solar cell backsheets	E	0.10-0.25	Black film with high shading performance, excellent electrical insulation performance, very good coating processing performance.
HR25RG	Hydrolysis resistant PET film for PVbacksheets	E	0.10-0.35	Translucence, milk white film with excellent electrical insulation and superior hydrolysis resistance performance, very good coating processing performance. PCT from 48 to 72 hours. Can be customized. Passed the UL, Germany TUV test and DH test of National Center of Supervision and Inspection on Solar Photovoltaic Products Quality.
HR25R-11S	Hydrolysis resistant PET film for PV backsheets	E	0.10-0.30	Porcelain white film with excellent electrical insulation properties, low WVTR, good coating processing performance and superior hydrolysis resistance. Passed Germany TUV test, UL listed.
HR11G	Hydrolysis resistant PET film for PV backsheets	E	0.10-0.25	White film with high shading performance, excellent electrical insulation and superior hydrolysis resistance performance, very good coating processing performance. PCT from 48 to 60 hours. Can be customized.
AU11GU	Anti-UV & hydrolysis resistant PET film for PV backsheets	E	0.10-0.35	White weather resistant PET film, good light shielding performance, good dimensional stability, electrical insulation, excellent Anti-UV property, very good hydrolysis resistance performance. Mainly used in the field of solar cell backsheets (Fluorine-free).

Application of solar panel backsheets PET and TPT

he PV module backsheet plays a critical role in ensuring the durability, safety, and long-term performance of solar panels in various applications, including residential, commercial, and utility-scale solar installations.

manufacturing of Solar Panel Backsheet PET PVDF TPT for PV Module Production

Manufacturing of Solar Module Back sheet PET and TPT

manufacturing factory of Solar Panel Backsheet PET PVDF TPT for PV Module Production

What’s Is PET Backsheet For Making Solar Panels?

TPT (Tedlar/PET/Tedlar) backsheet is a backsheet material used for solar panels. It is a three-layer composite material composed of Tedlar, PET (polyethylene terephthalate) and Tedlar film. The Tedlar layer provides excellent weather resistance and UV protection, while the PET layer provides mechanical strength and flexibility. This material combination makes TPT backsheets highly durable and suitable for outdoor solar panel applications. It helps protect solar cells from environmental factors such as moisture, heat and UV radiation, thereby extending the life of the solar panels.

What’s Is TPT Backsheet For Manufacturing Solar Modules?

PET (polyethylene terephthalate) backsheet is a backsheet material used in manufacturing solar panels. It serves as the outermost layer on the back of the solar module and provides protection to the photovoltaic cells from environmental factors such as moisture, heat and UV radiation. PET backsheet is known for its mechanical strength, flexibility and weather resistance, making it suitable for outdoor solar panel applications. It helps ensure long-term performance and reliability of solar panels by protecting sensitive solar cells from degradation and damage. PET backsheets are widely used in the solar industry due to their durability and cost-effectiveness.

Performance Comparison Between PET And TPT As Solar Backsheets

When comparing the performance of PET (polyethylene terephthalate) and TPT (Tedlar/PET/Tedlar) as solar backsheets, several factors come into play:

Weather resistance

The outer layer of the TPT backsheet is Tedlar, which has excellent weather resistance and UV protection. Compared with the PET backsheet, it is more durable in harsh outdoor environments.

Mechanical strength

Both PET and TPT backsheet materials offer mechanical strength, but TPT has a three-layer composite structure that provides enhanced durability and resistance to tearing or punctures.

UV protection

TPT backsheet has a Tedlar layer, which provides better UV protection compared to PET backsheet, helping to maintain the long-term performance of solar panels.

Cost

PET backsheet is generally more cost-effective than TPT backsheet, making it an attractive option for certain solar panel applications where cost is an important factor.

Flexibility

Both PET and TPT backsheet materials offer flexibility, but the specific composition of TPT can provide additional flexibility and ease of installation.

Summarya

Compared to PET backsheets, TPT backsheets generally have excellent weather resistance, UV protection, and mechanical strength, but have a higher cost. The choice between the two materials depends on the specific requirements of the solar panel application, including environmental conditions, budget and the expected life of the solar panel.