Page 35 - Plastics News September 2020

Avient develops new Dairy Packaging Additive Ulma makes tray-sealer faster and more
Technology to meet (TiO2) restrictions efficient

U lma Packaging has upgraded one of its best-selling
vient (formerly Polyone )Corporation, a premier tray-sealers to meet food processor demand for
A provider of specialized and sustainable material
quick and energy-efficient packaging of meat and
solutions and services, today announced availability of vegetable produce. Ulma's TSA tray-sealer range can
a new light blocking additive technology for PET dairy
now run at 20 cycles per minute (cpm) for modified
packaging as an addition to its existing portfolio of atmosphere packaging. In cut-and-seal applications,
ColorMatrix™ Lactra™ light blocking additive
the limit has increased to 25cpm. To help reduce
concentrates. This new additive technology helps
energy consumption, the range has been developed
customers' packaging products to comply with new with a single 300-cubic-metres-an-hour vacuum
titanium dioxide (TiO2) restrictions in Europe under
pump, which Ulma suggested is different to market
the EU Waste Framework Directive 2008/98/EC. In
alternatives that often require two pumps. The tray-
recent years, white opaque PET bottles for dairy sealer can integrate into existing packaging machinery
applications have been under increasing scrutiny for
lines, including single and double-lines, with box or
the potential effects their mineral fillers can have on
tray distribution and palletising. The range also
the recycle stream used to create fiber. This latest benefits from 10 tonnes of sealer force for hermetic
Lactra technology offers brand owners and PET
sealing, which can result in residual oxygen levels of
packaging converters the ability to achieve over 99.9
between 0.1 and 0.2 per cent. All TSA models are
percent light blocking in monolayer PET, with high equipped with Ulma's UPC 4.0 control system, allowing
levels of whiteness (L* of up to 94) but with less than 1
for further efficiency measurement and optimisation.
weight percent TiO2 and less than 4 weight percent
There is also the possibility of remote servicing.
inorganic content. This technology is also available in
TiO2 free versions. Complete with food contact According to Ulma, this is currently a key priority, as
social distancing continues to affect in-person
approvals for the European Union and FDA, this new
technical training and assistance. “All our models in
Lactra additive is compatible with the PET recycle
stream for fibers, sheet, and strapping. Testing also the TSA range have washdown designs that prevent the
accumulation of dirt, with transparent surfaces and
shows that in established opaque white PET recycle
areas that make cleaning and washing easier. As a
streams, Lactra products are suitable for closed loop
bottle-to-bottle recycling. Commercially available in business, we know it is important to keep providing
value by redeveloping our market-leading packaging
major regions around the world, new Lactra light
blocking additive technology from Avient can help machinery,” said Dave Berriman, technical sales
customers facing TiO2 restrictions comply with support manager at Ulma Packaging UK. The TSA
regulations without compromising performance. traysealer range has machines designed for every level
Avient Corporation with 2019 pro forma revenues of $4 of production required, including single or double-line
billion provides specialized and sustainable material models. From low-medium production models to high-
solutions bringing new products to life for a better performance models, such as the TSA 1200 XL, with a
world. sealing area of 500x1200 mm.

September 2020 35 Plastics News