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Special blowing processes

A surprisingly low concentration of water can reduce the viscosity such that reclaimed PET cannot be used for the blow molding of bottles with acceptable physical properties. The established solution to the moisture problem is to dry the recycled PET in special dryers prior to use. However, the drying process is both time and energy intensive. Paper labels can cause problems in PET recycling if they decompose during washing and removal. The paper fibers formed can produce cellulose fibers that are difficult to remove from the reprocessed PET.1... [Pg.538]

Table 2.17 analyses some examples of the relative processing cost versus the annual production in units. The various technologies listed are not suitable for all materials or parts machining is used with numerous materials rotational moulding uses liquid resins vacuum forming uses thermoplastic sheets blow moulding uses special grades of thermoplastics... [Pg.51]

See other pages where Special blowing processes is mentioned: [Pg.738]    [Pg.738]    [Pg.298]    [Pg.369]    [Pg.471]    [Pg.117]    [Pg.145]    [Pg.10]    [Pg.82]    [Pg.490]    [Pg.205]    [Pg.387]    [Pg.481]    [Pg.136]    [Pg.143]    [Pg.296]    [Pg.296]    [Pg.1924]    [Pg.1952]    [Pg.722]    [Pg.129]    [Pg.522]    [Pg.774]    [Pg.428]    [Pg.496]    [Pg.571]    [Pg.627]    [Pg.151]    [Pg.255]    [Pg.161]    [Pg.479]    [Pg.955]    [Pg.221]    [Pg.312]    [Pg.79]    [Pg.111]    [Pg.144]    [Pg.248]    [Pg.76]    [Pg.153]    [Pg.774]    [Pg.241]    [Pg.29]    [Pg.205]    [Pg.44]    [Pg.218]    [Pg.136]    [Pg.143]    [Pg.296]   
See also in sourсe #XX -- [ Pg.738 ]



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