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TAS Country : April 26th 2012
Friday, April 27, 2012 Tasmanian Country 29 2012 Silage film steps up cover ADVANCE: One benefit of five- layer technology is film consistency in terms of uniform thickness. MULTI-LAYER silage film has moved up a notch to provide the best cover possible. The extrusion technology be- hind the manufacture of silage film has progressed so much that a roll of Silotite, distributed in Australia by Tapex and avail- able in Tasmania through ma- jor resellers, now has five layers to ensure optimum perform- ance levels in the paddock. In the early days of bale-wrap production, almost all products were manufactured as single- layer films. Single-layer extruders were the only type available at the time and while they were fine for applications like pallet stretch wrap, they gave varying results when producing bale- wrap and that was less than ideal for silage contractors and their customers. In this type of extruder, all of the raw materials are mixed together in one chamber before extrusion, so there is very little control over where specific in- gredients might end up within the layer of film produced. Mono layer films typically show varying qualities within the same batch depending on the climatic conditions, and differing temperatures mean that tack levels can vary from being virtually non-existent to being far too sticky. These films typically have lower puncture resistance and can be very inconsistent when stretching, resulting in varying gauge across the profile of the film. In higher temperatures, these films are prone to telescoping during storage, rendering the rolls unusable. Multi-layer film was pion- eered by bpi.agri, the manu- facturers of Silotite, in the mid 1980s. This development changed the quality of bale-wrapping film beyond recognition. It al- lowed specific ingredients with- in the blend to be controlled and directed to that part of the film where they were most required. So UV stabilisers could be placed on the outer surface of the film to face the elements; tack on the inside where it was most needed and the strength of the film in the inner core layers. All of this combined to create a film with an even stretch, highly effective sealing and en- hanced puncture resistance. This extrusion technology continues to advance enabling manufacturers to produce stronger film with increased oxygen permeability qualities. The Silotite range has evolved as the high-end extrusion technology employed by bpi.agri has progressed from three layers to five layers en- abling it to further enhance the innovative film characteristics Silotite is well known for throughout the world. A real benefit of five-layer technology is film consistency in terms of uniform thickness. It is this much more consist- ent film, which allows it to be stretched up to 70 per cent from its original length. This extra stretch means operators can wrap more bales per roll saving time, money and waste. As well as the techniques of film construction, it is import- ant to note that the quality of a film, whether single or multi- layer, is also affected by the choice of the raw materials. bpi.agri is known for its care- ful selection of high-quality in- gredients in order to provide both the strength and flexibility required in a good bale-wrap. bpi.agri also understands the importance of being aware of where the product is being used to ensure its optimum perform- ance levels. It works closely with Tapex in Australia and New Zealand to appreciate the conditions of use here. Silotite has been formulated to perform in our high-UV climate (180kg-Langleys per year) and is robust enough to withstand the rigorous hand- ling delivered by modern, faster and more complex wrapping machinery which has advanced in parallel. Visitors to AgFest can find out more about Silotite at the Tapex stand on site number M94A or at www.tapex.com.au. Site M94A on Main St Youd be better with the book ROGER HANSON TASMANIA'S famous woodcutting Youd clan has brought alive its family history. The book Youd Better Believe It, launched at the Axemen's Hall of Fame in February, will be on sale at Agfest. Now in its second re- print, the book will be available from Kevin Young's Bookshop site at 15 South St for $24.95. One of Australia's favourite woodcutting sons, Bill Youd, will be on site on the Thursday of Agfest to chat about the book. Mr Youd, from a family of seven boys and one girl, had an extraordinary woodcutting career, amassing nine world titles at the Sydney Shows, and 19 Australian titles at the Melbourne shows in treefelling and standing blocks. In 1982 he set a treefell- ing world record of 1:18.2 which still stands. The 112-page Youd Better Believe It, written by Geelong author Carla Evans, covers the family's history from the time they left England, arriving in Tasmania in 1855 aboard the Ocean Chief. ''My grandfather Wil- liam was on that boat,'' Mr Youd said. 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April 19th 2012
May 3rd 2012