Page 17 - Packaging News Magazine Sep-Oct 2021

September-October 2021 | www.packagingnews.com.au | SUSTAINABILITY
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variations were lessened by adapting a two-stage process colour, which proved important in terms of the dry- ing and reheating process.
“Black spotting was also an issue, but it’s not as big an issue as we expected it to be and it certainly depends on the quality of the sup- plier and who you're working with – most of our recycled resin is coming out of Martogg in Melbourne,” he said, advising that knowing the mate- rial source is vital.
“You've got to know your supplier’s supplier to find out where their mate- rials are coming from,” he said.
Wellman also discussed the chal- lenges related to recycled HDPE, again noting the lack of these materi- als and the problems with odour and flavour taint due to the primary source being milk bottles, which has obvious implications for food grade
You’ve got to know your supplier’s supplier to find out where their materials are coming from.”
plastics, came after two years of intensive work by the company, together with its supply partners, to develop the proprietary processes and polymer technologies, and since there wasn’t a test for things like how “squeezy is squeezy”, the company developed one.
In conclusion, Wellman said that working with and sourcing recycled plastics was not straightforward.
“Everyone wants PCR (post-con- sumer recycled) but aside from the depth of the supply chain, several challenges make it an expensive proposition and polymer suppliers need to improve on things like data sheets and sharing information about their resin to avoid processing issues,” he said.
“And again to restate – you've got to know your supplier’s supplier and probably their supplier.” ■
applications but also laundry like fabric softener bottles where fra- grance is critical.
He then highlighted the rPE Squeezy Sauce bottle which he said is “one of the company’s significant wins this year”. As previously reported by PKN, the bottle was awarded a gold at the 2021 PIDAs in Sustainable packaging Design – Recycled Content category.
The innovation for the squeezy bot- tle, which can now be produced with 100 per cent food grade recycled PE
LEFT: The project to bring to market Wellman’s Packaging’s 100% rPET preforms for bottles for Colgate- Palmolive was three years in the making.
Australian Circular Recycling Food Grade rPET & rHDPE
www.martogglcm.com.au
(03) 9791 5633
Martogg is an Australian, privately owned business, who has serviced the Australian and Regional Plastics industry since 1975.
The Martogg Group have been producing and supplying FDA compliant, Food Grade rPET (marPET®) to the ANZ region since 2016 and recently celebrated the installment of their 3rd Vacurema® line taking the Group’s annual conversion capacity of FG rPET to 23,000 tonnes.
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Food Grade rHDPE (marLENE®) which will be available to the Australian plastics industry from Q3 2021.
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Martogg is committed to working with businesses and brands to achieve corporate sustainability targets, through supply of locally produced rPET and rHDPE resins.
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DA compliant F
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