solar backsheet of PV modules PPE type

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Product Description:

INTRODUCTION: PET polyester film in the intermediate layer has good insulating properties;

PET film of excellent weather resistance serves as a protective film in outer layer. The backsheet of this kind possesses excellent stability and is suitable for a wide range of solar modules package.

Technical Features:

Table 1: PPE Technical Data Sheet

NO.

 Item

Unit

Technical Requirements

Inspection Method

1

Appearance

- 

no folding, bubbles, scratch, foreign object.

Methord

2

Thickness

um

390±10%

ASTM -D2305

3

Tensile Strength

MD

N/cm

300

ASTM -D882

TD

N/cm

300

4

Elongation at Break

MD

%

100

ASTM -D882

TD

%

60

5

Heat Shrinkage Rate

MD

%

1.5

150/30min

TD

%

1.5

6

Backsheet/EVA Adhesion Strength

N/cm

40

Methord

7

PET/HR-PET Adhesion Strength

N/cm

4

Methord

8

PET/PE Adhesion Strength

N/cm

4

Methord

9

Backsheet/Silicone Gel Adhesion Strength

- 

NO peel

15Kg/30min

10

Water Vapor Transmission Rate

g/m2.day

2

ISO 15106.3

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Q:How to promote the use of solar energy in China
In this regard, the government should do a lot of work, industry associations have also made the relevant advance
Q:How to make better use of solar energy
The first stage (1900~1920 years) at this stage, is still the focus of solar power plant solar energy research in the world, but the spotlight by diversification, and began to use the flat plate collector and low boiling point device, gradually expanded, the maximum output power of 73.64kW, with the objective clear, cost is still high.
Q:What are the forms of solar energy products
Solar hot water, solar photovoltaic power generation, various solar lamps
Q:The advantages and disadvantages of solar energy?Want to buy solar energy solar energy what is bad? Know about
I personally think that the use of solar energy is not very environmentally friendly, because the market is currently the main products of solar energy use monocrystalline silicon or polysilicon, thin film with very little. We all know that silicon is a heavy metal, pollute the environment and can not be removed, because the film component cheap but the conversion rate is low, can only be used in small products, such as computer, application of technology products such as lamps, although the silicon conversion rate is high but the price is expensive, so the application of products currently on the market to see the most use of polysilicon, 25 years after this type of product, service life expires, how to deal with??? Is a problem, so I still want to improve the conversion rate of thin film components.
Q:What are the uses of solar energy?
Uses as follows:Photothermal utilizationIts basic principle is to collect the solar radiation energy, and convert it into heat energy. At present, the most widely used solar collector, there are 4 types of flat plate collector, vacuum tube collector, ceramic solar collector and focus collector (trough, dish and tower). Usually according to the temperature and the use of the different, and the use of solar thermal light is divided into low temperature (<200 DEG C), the use of medium temperature (200 ~ 800 C) and high temperature utilization (>800 C). At low temperature using mainly solar water heater, solar dryer, solar distiller, solar heating (solar room), solar greenhouse, solar air conditioning system, the temperature is mainly using solar cookers, solar thermal power generation heat collecting device, mainly using high temperature high temperature solar furnace etc..
Q:How to make solar energy?
Do experiment. We put the foil affixed to the box, to reflect sunlight. Then put the metal bottle full of water in the box and secure it with a plastic foam.
Q:What are the functions of the new vehicle negative ion solar charging humidifier?
Brown vehicle negative ion solar charging humidifier, in addition to negative ions and solar charging function, but also can be used as car fragrance, you can add essential oils.
Q:Solar energy products, that is, I would like to open a home solar products Daquan
Photoelectric, two large blocks of light and heat, I think it will be a complete. But a lot of financial strength to do it
Q:Buy solar water heater mainly look at what?
Such a water tank, not only poor quality, but also may cause damage to the health of consumers with bacteria. Third, insulation layer. The quality and thickness of the insulation layer determine the insulation effect of the water heater. Now on the market most of the solar water heater using polyurethane foam insulation technology, but also the polyurethane material, but also the overall high pressure foam and low pressure foam. Large enterprises using the overall high-pressure foam to ensure the pressure and fullness of foam, a lot of small manufacturers of low pressure foam will be part of the insulation layer of the phenomenon of incomplete.
Q:Now there is no sun, cloudy days can use solar products?
The amount of radiation of solar water heater is the meaning of the sun. The sun did not reach that he cannot.

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