One kind of tank liner and the method for its preparation tank

The present invention provides a tank liner, the method for producing a tank liner, obtained by the method of producing the tank liner, the liner comprising the above tank and a tank the method of preparing seed tank. Tank liner according to the present invention comprises an inner layer and an outer layer tightly bonded, the high-density polyethylene inner layer, the outer layer is a grafted polyethylene layer. The present invention provides a tank having more excellent acid resistance, it is possible to extend the life of great industrial application prospect.