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
Film thickness	Nominal tolerance	-	-	±5%
Tensile strength（MD）		N/mm²	GB/T 13542.2-2009	151
Tensile strength（TD）		N/mm²	GB/T 13542.2-2009	168
Elongation at break（MD）		%	GB/T 13542.2-2009	153
Elongation at break（TD）		%	GB/T 13542.2-2009	120
Heat shrinkage 150℃×30min（MD）		%	GB/T 13542.2-2009	0.38
Heat shrinkage 150℃×30min（TD）		%	GB/T 13542.2-2009	0
Coating adhesion		Grade	GB/T 9286-1998	0 Grade
Peeling strength with EVA（Initial）		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 pretreatment（15kwh）		-	IEC 61215-2005	Δb≤2 No delamination , bubble or fold
Super UV（65℃×65%RH，60kwh）			GB/T 16422.2-1999	Δb≤2 No delamination ,no bubble

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!

Q:What is the difference between photovoltaic products and solar energy?: Photovoltaic technology has many advantages such as: without any mechanical moving parts; in addition to sunshine, without any other fuel, can work in the sun and the oblique case; at the same time solar modules without maintenance, to minimize operating costs; and from site selection, is also very convenient, in the roof of the city open space, can be used. Since 1958, solar photovoltaic effect in the form of solar cells in the field of space satellites for the first time the application of energy. Today, the small automatic parking meter and rooftop solar panels, solar power center to the vast area, its application in the field of power generation has spread all over the world.Solar energy is a rapidly growing form of energy, the solar market has made great progress in the past ten years. According to information, according to the average annual installed capacity of solar power systems, the global solar market composite average annual growth rate of 47.4%, from 2003's MW growth of up to 2826 MW in 2007 to. It is estimated that by 2012, the annual installed capacity of solar energy system may be further increased to 9917 MW, while the entire solar energy industry sales may grow from $17 billion 200 million in 2007 to $39 billion 500 million in 2012. This growth is due in large part to the rapidly growing global market demand, rising electricity prices and various government incentives.

Q:Solar electric vehicle charging device: Electric vehicle using solar silicon and polysilicon combination surface for Ling lighting plate, high quality and high efficiency crystalline silicon plate, the weak light response is very good, high photoelectric conversion efficiency, both indoor and outdoor sunlight, can be 24 hours of uninterrupted charging for electric vehicles to absorb light, can meet the different electric vehicles with electric load.

Q:Household solar energy productsThe product can be used at home, do not mention the solar energy, answer the water heater: What solar products:The current solar products include: solar water heater, solar lamp, solar battery, solar power, solar fan cap, solar fan, villa solar power systems, solar flashlight, solar charger, solar cars, solar powered aircraft etc..The main components of solar water heater: flat solar water heater, vacuum tube solar water heater, wall mounted solar water heater.Solar lights include: solar street lights, solar garden lights, solar home lighting.Solar cells are: silicon solar cells, multi compound thin film solar cells, nano crystalline solar cells, organic solar cells.

Q:Product category and comparison of solar thermal utilization: What is the reason?The main reason is that China's solar energy (water heater) is the most in-line vacuum tube solar water heater, vacuum tube itself is vulnerable, tube explosion caused by vibrations, icing, improper water and other reasons, the vacuum tube fouling phenomenon is very serious, affecting the normal use, needs a great amount of customer service service, high maintenance costs. Once, encountered bad weather, frequent accidents, too busy to attend to all enterprises and dealers.Where is the way out?According to the experience and lessons of foreign countries, the use of a new type of high-performance flat solar energy is the most feasible and effective solution.

Q:How much does it cost to install solar energy in rural areas: 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.

Q:What are the third generation solar cells: Major technical breakthrough:Multi junction solar cellNanostructured solar cellsPhotoelectrochemical solar cell

Q:Home solar heating products can not mature?: 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

Q:What are the references of the solar automatic tracking system: Tracking models were taken; gives the specific design ideas and methods of photoelectric tracking mode; to analyze and determine the sun trajectory calculation method, verified the feasibility of this method. According to the proposed tracking method, design a set of automatic tracking type independent solar photovoltaic power generation system. The system is a small photovoltaic power generation system based on automatic solar tracking, all-weather, high efficiency run independently, as much as possible the conversion of solar energy into electricity, to provide electricity load. The whole system is divided into automatic tracking system and two subsystems of solar photovoltaic power system, the photovoltaic power system is in the forest fire specific applications are analyzed and designed respectively. The design of hardware and software of the two subsystems. The hardware design includes the position of the sun and light intensity detection, calculation The software part of the system is designed, which is composed of computer control, data acquisition, external clock and photovoltaic power supply

Q:How to make solar energy?: Many products using solar energy.1 boxes, 1 plastic bottles and cans; paint, glue, aluminum foil, plastic cloth; out of the plastic foam, metal bottle and transparent plastic paper, ready to do a solar water heater. You can do it.

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