Taiwan-based Polystar announced that it has sold more
than 200 double-head blown film machines for T-shirt bag in 2015-2016 in
Asian and Latin American markets.
These machines were installed in over 20 countries,
including Vietnam, Thailand, Russia, Indonesia, Mexico, Columbia, Chile,
Nigeria, etc.
Polystar designs and customizes this type of double
head blown film machine, which is available in screw diameter of 55mm,
60mm, 65mm and 75mm and film width from 400mm up to 1,000mm on each winder.
The double head blown film machine also allows
producers to switch between high density polyethylene (HDPE) and low
density PE (LDPE) production as well as producing different film width on
the same machine on each winder simultaneously.
Comparing to extruders with a single die head, the
double die extruders can achieve higher production capacity when producing
film roll that are small in width, as the high extrusion output is
dispersed into two separate channels of the die heads instead of one,
explained Polystar.
The double head blown film machine provides an
economic alternative and has a faster return on investment comparing to a
blown film machine equipped with IBC. In the double head blown film
machines, higher output can be achieved with a bigger extruder (such as
65mm or 75mm in diameter) even when producing at smaller film width. It is
especially effective for T-shirt bag makers who are looking for more
economic machines with higher output, the company said.
Polystar will live demonstrate the improved
double-head blown film machine in Taipei Plas 2016, Vietnam Plas 2016 and
Columbia Plas 2016 in September.
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