Tubular film of polyethylene terephthalate and process for...

Details Tubular film of polyethylene terephthalate and process for... Tubular film of polyethylene terephthalate and process for...

Category

B - Operations, Transporting

Subcategory

29

Subsubcategory

D

CPC

18/521

IPC codes

B29D 23/00 (2006.01) B29C 47/00 (2006.01) B29C 55/00 (2006.01) B29C 55/14 (2006.01)

Type

Patent

Patent number

CA 1038584

Description

Abstract of the Disclosure This invention relates to a biaxially stretched and longitudi- nally afterstretched thin-walled tubular film of polyethylene terephthal- ate having a tensile stress of 40 to 60 kg/mm2 and a tear resistance of 40 to 70 kg/mm2 in the longitudinal direction, and an elongation at break of 350 to 800% in the transverse direction. The invention also relates to a process for the production of the film.

Application Number

208005

Affiliated with

Also associated with

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