TPT Back Sheet for Solar Panel New Product

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TT or LC
Min Order Qty:
100 m³
Supply Capability:
5000 m³/month

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Product Description:






Quoted Standard


Damp-heat Testing(85*85%RH,2000h)


IEC 61215-2005

No delamination,no bubble

Radiation exposure(QUVB,4000H)


GB/T 16422.3-1997


UV pretreatment


IEC61215-2005 IEC61730-2-2004

No delamination, bubble or fold

Boiling water treatment(boiled for 24h)

Visually inspect


GB/T 9286-1998

No delamination, bubble or fold.No peeling or no powdering

Coating adhesion




cycling treatment(-40—85)6h

Visually inspect


IEC 61215-2008GB/T 2423.3-2008

No delamination, bubble or fold

Breakdown voltage




cycling treatment(-40—85)6h

Visually inspect


IEC 61215-2008
GB/T 2423.3-2008

No delamination, bubble or fold

Breakdown voltage




Salt spray resistance


IEC 60068-2-11:1981

No delamination, NO bubble




We have organized several common questions for our clientsmay help you sincerely

What price for each watt?

It depends on the quantity, delivery date and payment terms,

What is your size for each module? Can you tell me the Parameter of your module?

We have different series of panels in different output, both c-Si and a-Si. Please take the specification sheet for your reference.

Can you provide the peripheral products of the solar panels, such as the battery, controller, and inverter? If so, can you tell me how do they match each other?

Yes, we can, we have two companies for solar region, one is CNBM International, the other is CNBM engineering Co.

We can provide you not only the solar module but also the off grid solar system, we can also provide you service with on grid plant.

What is your warranty system?

 Our product  performance guarantees for 25 years

12 years guarantee for workmanship

Timeliness of delivery

Quality Products certified (TÜV, UL, CE, ISO)

How do you pack your products?

We have rich experience on how to pack the panels to make sure the safety on shipment when it arrives at the destination.

Can you do OEM for us?

Yes, we can.

How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.


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