Home » News » Unidirectional Tensile Properties of Polyester Film

Polyester film is a polymer plastic film, because of its comprehensive performance is more and more favored by the vast number of consumers. Due to the current production and technical level of our country still can not meet the market demand, some still need to rely on imports. Because of the complexity of polyester film and difficult to judge, to the customs supervision brings many difficulties. To this end, we are on the product knowledge of polyester film and the current import process of related issues to the relevant professional firms to understand.

Polyester Film

Polyester film is a high-quality fiber-grade polyester chips (viscosity of 0.64) as the main raw materials, the use of advanced technology formulations, through drying, melting, extrusion, casting and stretching made of high-grade film. Two-way Tensile polyester film (abbreviated BOPET), is the use of light material (also known as a large optical material, that is, in the raw material polyester chips added titanium dioxide, after drying, melting, extrusion, casting and vertical and horizontal stretch of high-grade film, widely used.

Polyester Film

One-way Stretch polyester film (abbreviated as Cpet), is using half extinction material (raw material polyester chips did not add titanium dioxide powder), after drying, melting, extrusion, casting and longitudinal tensile film, in the polyester film grade and the lowest price, mainly for drug tablets packaging. Because the use of less, manufacturers less large-scale production, about 5% of the polyester film field, our enterprises are also less import, standard thickness has 150μm.

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