Extrusion International 5-2020

35 Extrusion International 5/2020 the number of material inlet chan- nels in the die in order to reduce the possibility of material burning. As a result, Aleko developed an ex- trusion unit of the blown film line, where there is no thermal-oxidative ing inexpensive biodegradable raw material production Gemabio F2910 (corn starch), Aleko Bio, with no loss in film quality, provides capacity of up to 220 kg/h with 65 mm screw and 200 mm die head diameter. As already mentioned, the tests were carried out on large amount amount of biodegradable materials. Two of them: more expensive (BASF ecovio F23B1) and more affordable (Gem- abio F2910) (see graphics). AlekoMachinery is ready to show the results of testingAlekoBioon the cus- tomer’s raw material. The customer can send 200 kg of their biodegrad- able material and get back ready film with excellent quality, which can be checked by the customer himself. destruction of the “capricious” bio- degradable material, which means that the resulting film can boast high quality, with high tearing strength. Testing of this blown film extrusion line showed excellent results. Us- Aleko Machinery www.en.polimerexpert.ru Biodegradable raw material BASF ecovio F23B1 Extrusion line Film thick- ness, mcm Tensile Strength at break, MD, MРa Tensile Strength at break, TD, MРa Elongation at break, MD, % Elongation at break, TD, % Аleko Bio (1100) 10 32,8 17 140 630 Another machine 10 24,5 15,2 110 540