... 5 up and down SJ-C75, 90,105,120 High speed film blowing machine set.It is used to blowing LDPE, which has ... has been nitrogen treated and the traction frame adopts lifting type. No matter what size the film is, big or small ... air ring Air shaftCorona treatmentFast screen changerAir compressorAll roller pneumatic type ModelSJ-C75SJ-C90SJ-C105SJ-C120Suitable materialLDPE LLDPEFilm width(mm)800 ...