TPT 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: What are the disadvantages of traditional solar water heater: We now have a factory in Wuxi, the production of solar water heaters, the core components - superconducting heat pipe, so that the product in place. Heat pipe is a vacuum glass tube inside, no leakage, no water absorption of solar heat, but the use of dark metal materials such as heat transfer, heat transfer efficiency is high temperature superconducting material.

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: In the domestic high temperature solar energy collector can achieve how many degrees, the existing product and the technology form?: Solar thermal power can be divided into three categoriesTrough system, tower system and dish system, they all belong to medium and high temperature system,Trough system is relatively popular in the other two categories, but also the most promising class. Operating temperature of 400~700 degrees Celsius, the scale is not limited to a few dozen megawatts, up to the level of Gigabit, there are some examples of successful commercial operation abroad. There are many prototypes in China, but there is no practical system.

Q: Solar electric vehicle charging device: Electric vehicle solar energy products are small in size, light in weight, easy to install and carry. Is a domestic initiative, has applied for national patent. Market potential is very large, very broad prospects.

Q: Is it hot in summer and the water is hot in winter?: Wall type solar water heater can belong to the separated type solar hot water system, water tank placed in the balcony or exterior wall, the collector is placed at the south facade of building a balcony wall hanging type solar water heater with flat collector to absorb solar radiation into heat, heat to reach the water tank and the water heat exchanger, so that the temperature of the whole the water tank is increased gradually, let the user can enjoy free hot water from the sun.The successful use of plate heat exchanger technology in wall mounted solar products, not only improves the thermal efficiency of balcony wall products, and the successful implementation of the building safety products and life integration, so that the water heater installation expanded to all floors and is not limited to the roof, and greatly lifted the traditional solar water heater, frozen fried tube, easy Water Leakage, easy scaling problems.

Q: What is the future of solar power: Residents issued 1 kwh of electricity, the state subsidy of 0.42 yuan; the national standard for the purchase of electricity from the desulfurization of residents with endless self generating electricity, the price is $0.42 per degree. To install and use a set of distributed photovoltaic power generation system with an average of 1 kilowatts of installed cost about 10 thousand yuan, if the 8 kilowatt system daily generating capacity of 30 degrees, 5 degrees every household consumption (no more than a price of 0.52 yuan), about 8 years to recover the investment. In accordance with the same calculation method, 10 kilowatts of distributed photovoltaic power generation device to recover the cost of 9-10 years. Family photovoltaic power plant to recover the cost of an average of between 8-10 years.

Q: What are the functions of the new vehicle negative ion solar charging humidifier?: A lot of cities have Brown's physical store, go to the store to buy.

Q: PV solar products market sales: According to the State Administration of taxation policy released last year, from October 1, 2013 to December 2015 3l, according to the 3% levy rate calculation. In Takamatsu as an example, if a month sales of 30 thousand, that he should pay the tax is 30 thousand x 3% x 50%=450 yuan.Residents issued 1 kwh of electricity, the state subsidy of 0.42 yuan; the national standard for the purchase of electricity from the desulfurization of residents with endless self generating electricity, the price is $0.42 per degree. To install and use a set of distributed photovoltaic power generation system with an average of 1 kilowatts of installed cost about 10 thousand yuan, if the 8 kilowatt system daily generating capacity of 30 degrees, 5 degrees every household consumption (no more than a price of 0.52 yuan), about 8 years to recover the investment

Q: The best authoritative research report, even if their YYThank you for the answer to the first floor, but I found the 2000 water heater Research Report, although a bit long, but you can also use: Consumer behavior analysisConsumers in the purchase of products, often have to consider the physiological needs, safety and health needs, psychological factors (environmental sustainability, energy saving, economic and other factors), at the time of purchase, often face 5 kinds of risk perception: one is the financial risk, that there may be a waste of money; the two is the function of risk, if function is not so good, or no brochures and advertising on the good; three is the physiological risk, looks a bit dangerous, afraid might get hurt; four is the social risk evaluation from fear surrounding friends not good; five is the psychological risk, because buy guilty, it would be irresponsible. For solar products, because the product and installation specification is not perfect, the implementation of the implementation of the lack of supervision, consumers lack of understanding of the core technology of solar energy, solar water heater does not have a clear understanding, in order to "Huiyanshizhu, consumers in the purchase, will be the main value of the brand, including corporate brand, product brand and service brand is the basis for the choice of consumers, because the brand is a commitment to consumers, its excellent quality, strong customer service service will guarantee the legitimate rights and interests of consumers; the value of quality products, to effectively meet the target market demand, such as the market part of the solar water heater can meet the demand of hot water in summer. But one winter has become idle goods, and even pipe cracking; value service, service satisfaction value, such as" Baidu service 100% satisfaction, service a little more satisfied with a little, through the service to reduce the risk of consumer awareness of the purchase.