Tpt Pet Material Back Sheet for Solar Panels Solar Materials

• After-sales Service: Price Updating, Quality Problem Solving
• Warranty: 7
• Type: Torch
• Transport Package: Roll
• Specification: rolls
• Origin: China
• Model NO.: back sheet
• HS Code: 854143
• Production Capacity: 500000 Squares

Product Description

Detailed Photos

1. TPT solar backsheet: TPT is a polyvinyl fluoride composite film. Strictly speaking, TPT refers to a three-layer composite film of Tedlar+PET+Tedlar made of DuPont Tedlar.

2. TPE solar backsheet: This is a general term. Typically include block copolymers (styrenic resins, copolyesters, polyurethanes and polyamides), and thermoplastic elastomer blends and alloys (thermoplastic polyolefins and thermoplastic vulcanizates). Among them, block copolymers are relatively widely used. Contains styrenic and hydrogenated resins.

Product Parameters

Item		unit	standard	Specification Value
Thickness		μm	GB/T 13542.2-2009	303±5%
Tensile Strength		MPa	GB/T 13542.2-2009	TD ≥120 ;MD ≥120
Elongation at break		%	GB/T 13542.2-2009	TD ≥100 ;MD ≥120
Thermal shrinkage(150ºC×30min)		%	GB/T 13542.2-2009	-0.2≤ TD ≤0.2 ;MD ≤0.6
Coating Adhesion		Level	GB/T 9286-1998	0
Peel strength with EVA		N/cm	GB/T 2790-1995	≥65
breakdown voltage		KV	GB/T 1408.1-2016	≥18
Partial discharge voltage		VDC	IEC 60664-1-2007	≥1500
water vapor transmission rate 38ºC×90%RH		g/(m2·day)	GB/T 26253-2010	≤2.0
Boiling water treatment	external assessment	--	GB/T 17748-2008	No delamination, no blistering, no cracking
	Peel strength with EVA	N/cm		≥40
Hot and cold cycle test TC200	external assessment	--	IEC 61215-2-2016	No delamination, no blistering, no cracking
	yellowing	--		≤2.0
	Peel strength with EVA	N/cm		≥40
UV pretreatment 120KWH/m2	external assessment	--	IEC 61215-2-2016	No delamination, no blistering, no cracking
	yellowing	--		≤2.0
Constant damp heat test DH1000	external assessment	--	IEC 61215-2-2016	No delamination, no blistering, no cracking
	yellowing	--		≤2.0
	Peel strength with EVA	N/cm		≥40

 

Production

 

FAQ

Q:What's your payment terms?
A:T/T,L/C,Paypal,Western Union etc.

Q:What are the advantages of your company?
A:We are a factory, and we also cooperate with other brands,such as Longi,JA solar,Jinko,Trina,Canadian Solar,GCL,SUNTECH,Yingli etc., to provide customers with better prices and more choices.

Q:May I have a piece of sample to check the quality?
A:Welcome to place the testing order to check the quality or for testing.

Q:How about the delivery time?
A:15-20 days after receiving your payment.
The specific delivery time depends on the items and the order quantity.

Q:Where is the port of loading?
A:Shanghai,Ningbo.