Q: Which country was the first to put the PFT into commercial production?
A: The earliest to apply the PFT into automotive industry and to achive SOP is German VW.

Q: Which enterprise is the first to introduce the production technology of the PFT into China?
A：Yangzhou Second Plastic Plant, YAPP predecessor, introduced the production technology of the PFT first into China. At that time, it produced Santanna PFT for SVW by introducing a complete set of blow-molding machine, post-processing equipment for tank body and raw material from West Germany.

Q: Compared with metal FT, which advantages do the PFT have?
A:  1、PFTs are lighter.
     2、Much safer in that they will not explode under thermal expansion and can keep mechanical performance in between - 40oC-90oC.
　 3、 Work well in anti-erosion by which no impurity can enter into the engine through the fuel system, so that the engine will not be damaged and its lifespan will be lengthened.
　 4、Excellent impact-resistant performance.
　 5、The lifespan is long.
　 6、PFTs can maximize the utility of automotive space.They can be free modeling upon the demands of auto makers.
　 7、Simple and convenient molding. Any complicated modeling can be shaped only for one time.

Q: Can the PFTs satisfy the environmental protection request for nowadays and the future?
A: Automobile discharge is one of the major pollutant sources. It is the most important index in environmental protection how to effectively control permeation amount of fuel. For example, E I requires FT permeation amount lighter than 20g every day, E II requires lighter than 2g every day, and E III requires lighter than 0.2 g every day.

At present, our country pursues E II.

In order to meet the environmental protection requirement, in the production of FT the following technology is adopted:
→FTs are treated with sulfur and fluorine, by which an layer created by chemical reaction on the surface of the FT to isolate fuel.(Chemical method ).
→The technique of multi -layer coextrusion is to extrude EVOH layer which obstructs permeation of fuel and PE layer at the same time to blowmold the multilayer products. (physical method )
→Nowadays, these two technology methods are main production processes of PFTs, and both can meet the requirements of EI and E II.

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