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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Solar panel power generation, then the proposed size of the proposed group, mainly the power substation and storage of electrical equipment is very expensive, the highest conversion rate in the 17%-20% efficiency is very low, not as good as plant photosynthesisNow the national clean energy, photovoltaic power generation policy is more than 10kW can be free of charge, but the price of electricity recovery is very low, cumbersome procedures.Buy solar water heaters, the first proposal to consider the local climate, installation conditions, economic prices and durability
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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 product development prospects?
2012-2016 China solar cell market analysis and Investment Research Report1 solar water heater industry faces new integration. Industry concentration is not high, at present the country's top ten brands of solar companies together market share is less than the national market of 10%, companies want to get a larger market share is difficult. A line of enterprise and brand most high-end centralized development mode, to keep the solar intelligent and widely used will be closer, the solar water heater into the application of high-end, intelligent, integrated, brand enterprises lead the development direction of the industry's highest level and lead the industry, sales of high-end products less.
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See brandAt present, there are more than 5 thousand brands of solar water heater industry, of which, a small family workshop type enterprises accounted for the majority of such enterprises weak competitiveness, the average life expectancy of enterprises, but only 1.5 years. Consumers choose products produced by such enterprises, often a few years later will become a three noes products, the interests of consumers can not be guaranteed. Therefore, consumers should choose in the country's high visibility of the big brands, big brands of solar water heaters not only reliable product quality, but also to provide consumers with long-term after-sales service protection.
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Four look at the brand, service. The solar water heater host outdoors year-round by professionals need to withstand exposed to wind and rain, maintenance, maintenance. At present, there are 4000 domestic solar water heater factory, as the country has not yet unified solar water heater testing standards, some of the quality of the product does not pass, installation services are not in place, to bring trouble to users. Buy solar energy is not only a product, but more importantly, service". Therefore, we should choose the strength of the brand name of professional manufacturers of products, such manufacturers to install service personnel are generally through professional and technical training, service and thoughtful, so that you do not worry, get the best protection.
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The most expensive. Amorphous silicon solar cell conversion efficiency is the lowest, but the cheapest price, the most promising in the future will be used for general battery. Once a large area of the component photoelectric conversion efficiency of 10%, the price per watt power generation equipment down to $1 - $2, it is enough to compete with the current mode of power generation.

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