solar backsheet

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PART1:Introduction:

We supply the backsheet for solar cell modules that has excellent long-term reliability,stability.

It has been recognized by module manufacturers around the world and boasts more than 13 years of proven results.

Our backsheet has a high adhesiveness to EVA and various sealants.

PART2: Special features:

1.    A great variety of backsheet are available: TPT, PVDF,FFC, TPE,PET patterns etc,

2.    A membrane-adhesive integrated structure with fluorine coating on both sides of the backsheet.

3.    Applying the technology of plasma chemical modification and fluorosilicone surface graftingWhite backshe

4.    White backsheet enjoys high-reflective effect

5.    Made-to-order backsheet with under 1,300mm is available.

6.    A wide range of thickness from 0.26-0.33mm based on customization.

PART 3: Technical Characteristics

Item

Unit

Quoted Standard

Value

Film thickness

Nominal thickness

μm

GB/T 13542.2-2009

300

Nominal tolerance

-

-

±5%

Tensile strengthMD

N/mm2

GB/T 13542.2-2009

151

Tensile strengthTD

N/mm2

GB/T 13542.2-2009

168

Elongation at breakMD

%

GB/T 13542.2-2009

153

Elongation at breakTD

%

GB/T 13542.2-2009

120

Heat shrinkage 150×30minMD

%

GB/T 13542.2-2009

0.38

Heat shrinkage 150×30minTD

%

GB/T 13542.2-2009

0

Coating adhesion

Grade

GB/T 9286-1998

0 Grade

Peeling strength with EVAInitial

N/10mm

GB/T 2790-1995

75

Breakdown voltage strength

KV/mm

GB/T 13542.2-2009

21.8

Partial discharge

VDC

IEC60664-1

1077

Moisture vapor transmission rates

g/m2·d

GB/T 26253-2010

1.42

Damp-heat testing

85×85%RH,2000h

-

IEC 61215-2005

Δb≤2

No delamination ,no bubble

Radiation exposure (QUVB, 4000h)

-

GB/T 16422.3-1997

Grade 4

UV pretreatment15kwh

-

IEC 61215-2005

Δb≤2

No delamination , bubble or fold

Super UV65×65%RH60kwh

GB/T 16422.2-1999

Δb≤2

No delamination ,no bubble

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Q:How much can the domestic high - temperature solar collector reach
The tower system, Zhongxingpengyue pattern, looks very spectacular, is the image project of solar thermal power generation love. Its size is limited to 10~20 megawatt level, the use of special, very limited usefulness. The tower system operating temperature 600~1000 degrees Celsius, there are several foreign demonstration projects, the home also has heard, but I do not know the specific progress to that stage, both at home and abroad have not heard of commercial operation successfully.Dish type system, the operating temperature of 700~1400 degrees Celsius, stand-alone dozens of kilowatts, the system 5~25 mw. Due to the small machine, a large number of prototypes developed at home and abroad, but also did not hear of a successful large-scale commercial operation example. Due to the use of Stryn hot gas engine, its manufacturing technology requirements are high, greatly limiting its development.
Q:How to make better use of solar energy
The history of modern solar energy can be calculated from the 1615 French engineer Solomon de Cox in the world invented the first solar powered engine. The invention relates to a machine for pumping water by using solar energy to heat air to make it work. Between 1615 and 1900, the world has developed a number of solar power devices and other solar devices. Almost all of these power plants by condensing method to collect the sunlight, engine power is not the working fluid is mainly water vapor, the price is expensive, little practical value, for the majority of fans of solar energy manufacturing. Twentieth Century 100 years, the history of the development of solar energy technology can be divided into seven stages.
Q:How to choose a good use of solar energy
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.
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
You mean the solar water heaterSimply say:Benefits: power saving, safety,Disadvantages: 1, temperature affected by the weather,Because solar water heaters rely mainly on the absorption of sunlight, the light energy into electricity for heating waterSo the intensity of the sun directly affects whether you need to use electricity heating
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.
Q:Outdoor solar energy products how to process the level of IP65
Third, the less the number of parts as possibleFourth, when the whole is a way to allow glue
Q:Advantages and functions of solar energy
The technical field of solar energy utilization: only use solar energy there are three major technology areas, namely solar thermal conversion, conversion and optical shop in addition, photochemical conversion, and energy storage technology. The solar photoelectric conversion, mainly various types of solar panels and solar cell power supply system is to convert sunlight directly into electricity a device can the photoelectric efficiency of the solar cell is about 10-14% and its products are the main types of monocrystalline silicon, polycrystalline silicon and amorphous silicon. The domestic product (of a photoelectric device full cost) the price is about 60-80% yuan / Watt Peak. The scope of application of solar cell is very wide. Such as satellites, unmanned weather station, communication station, television relay station the sun, clock, electric poles, black lights, navigation lights, railway signal lights. Solar thermal conversion technology. Most of the products such as water heaters, boiling water heaters, dryers, refrigeration and heating, greenhouse and solar house, Solar range and high temperature furnace, seawater desalination device, water pump, thermal power generation device and solar energy medical appliance
Q:Solar heating easy to use? Has anyone used it
Advice do not believe! Solar heating is just a concept in china. In theory, in northern China, walls, windows and doors insulation to do a very good case, a square meter of solar collectors up to 3 square meters of heating area. If your house is 90 square meters, according to this calculation, you need to have 30 square meters of solar collector area
Q:Now there is no sun, cloudy days can use solar products?
In addition, if you are a household, engage in electric heating can be complementary to each other!

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