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Twist Wrap Film 扭结膜

楼主#
更多 发布于:2013-02-06 14:11
                                                                       Twist  Wrap  Film
         Twist Wrap Film is one of the most traditional candy packaging, & with pillow wrap, folding wrap are the 3 packing ways of Candy. The major twist wrapping material from PVC convert to environmentally friendly material PET twist film.
 
        In the candy packaging industry, form, Pillow Packaging ocuppied about 70%, Twist packaging ocuppied about 15%, about 10% of folding packaging, other packaging about 5%. Twist wrapping is the oldest candy packaging Package way. Starting with the paper (cellophane)but by hand packing, with the advent and promotion of mechanization pillow packing machine, pillow packing is becoming the popular package because of its low cost. But since pillow packing don’t have any aesthetic which its only one way package , so high quality candy packing will need more a more personalized pet twist film or folding paper.
 
         The twist film was starting more than 20 years in the China Market, first originated in Guangdong, Fujian and Zhejiang,which had produce of PVC twist film and some of cellophane by imported. Until the 2002-2003 domestic PET film facotry are research, promotion of new environmentally friendly PET twist film replaced with toxic PVC products. But for a long time, due to lax oversight of the regulatory authorities of the Food Packaging Department and the backwardness of the information, has not issued the relevant measures or explicitly non-printing view of the costs and profits of the reason, PVC film is not completely out of the food packaging industry until 2010 before and after some factories still use PVC film. Since the Plasticizer impact of events in Taiwan in 2011, the society in various fields and factories are aware of the dangers of PVC twist film, so the PET twist film will be using more & more!
 
 
         PET twist film will replace PVC twist film which is an inevitable trend. As the performance of pet twist film has its incomparable superiority. ① environmental protection: PET twist is environmentally friendly recyclable products for humans and the environment were not any destructive;PVC will release two methane combustion which is make cancer for humans, PVC products in Europe and the United States are strict prohibition in contact with food, the most stringent requirements of the Western European part of the country even are forbidden PVC film used for children's products’ out package; ② economic, efficient: the PVC product must 28U above have sufficient hardness and stiffness to achieve aluminized, printing requirements, thus demonstrating the effect of stiff. PET products because it has sufficient strength and stiffness can be produced 19microns, 23microns, 25microns different thickness of product. 19microns is mainly for hand-packaged of meat, fresh fruit packaging or laminating with paper. & the 23microns, 25microns is mainly used for candy and chocolate twist-wrapping; ③ stable performance, high efficiency: On the Auto High Speed Twisted Wrapping machine: PVC twist film the highest rate of 1000 / min, but  PET twist film can reaches 2000 / min. PVC products because the the biased brittle & poor flatness make the films’ printing width have to control in about 60CM , but PET twist film can be up to 1 meter or more the, PET Twist film’s printing speed can be up to 200M / minute, while PVC can’t over 150M / minute. So about printing efficiency , Obviously,PET twist film have more advantages; ④ beautiful & high-grade: PET twist aluminum layer of solid higher if adding appropriate protection resin during the printing process, printing pattern can be bright and clear; at the same time, Using the advantage of PET high stiffness, corrosion-resistant characteristics, local wash aluminum or pressure information layer processing laser effects, three-dimensional printing effect, greatly improve the grade packaging products; ⑤ Security: PET twist film had passed by the certificate of U.S. FDA (Food and Drug Supervision Bureau) , the products can be exported around the world.
 
 
 
         PET twist film factory at abroad mainly have India, Turkey, Japan, Korea etc., the major domestic manufacturers have Shantou Crownroad Plastic Co., Ltd. and Zhejiang Qiangmeng Industrial Co., Ltd.. Annual domestic demand is about 20,000 tons, as the market matures and consumers on food safety awareness needs to improve, both at the Country increase the supervision role on PVC products, as well as food companies to promote their own product safety requirements , PET twist film will have even broader space for development.
 
扭 结 膜
 
     扭结包装为最传统的糖果包装方式之一,它和枕包、折叠式包装并称糖果包装三大包装方式。扭结包装的主要材质已由原来的PVC转换成环保型材料PET扭结膜
     在整个糖果外包装形式中,枕式包装约占70%,扭结包装约占15%、折叠式包装约占10%,其它包装形式占5%左右。扭结包装为糖果包装历史最悠久的包装方式。一开始为所用材质为纸质(玻璃纸)而且手工包装,随着机械化枕式包装机的面世和推广,枕式包装因其成本低廉而走俏。但枕包产品千遍一律基本没有任何美感的包装存在局限,所以高档优质的糖果更多使用个性化更强的扭结膜或折叠式纸张.
     扭结膜在国内的兴起已经有超过20年的时间,最先起源于广东、福建和浙江生产的PVC材质扭结和部分进口玻璃纸为主。直到2002-2003年国内开始研究、推广全新环保型PET扭结膜取代带有毒性的PVC扭结产品。但长期以来,因食品包装监管部门监管不严和信息的落后,并未出台相关的措施或明令严禁.印刷厂则鉴于成本和利润的原因,PVC薄膜并没有完全退出食品包装行业,直到2010年前后仍有部分工厂使用PVC薄膜。2011年台湾增塑剂事件的影响,使社会各领域和工厂认识到PVC扭结产品存在的危害性,从而PET产品得以大量应用。
     PET扭结膜代替PVC扭结膜,是一个必然的趋势。其产品性能具有不可比拟的优越性。①环保:PET扭结膜为聚酯材质,属于环保可回收产品对人体和环境均无任何破坏性;而PVC产品燃烧时释放二甲烷为一种会让人体产生癌症的物质,在欧美PVC产品是严明禁止接触食品的,要求最严的西欧部分国家甚至禁止PVC薄膜用于儿童产品的外包装;②经济、高效:PVC产品必须在28U以上才有足够的硬度和挺度来达到镀铝、印刷的要求,从而表现产品刚挺的效果。而PET产品因其具备足够的强度和挺度,所以可以生产19U、23U、25U不同厚度产品。其中19U主要用于肉干手工包装、鲜果包装或纸塑复合扭结包装。而23U、25U则主要用于糖果和巧克力扭结包装;③性能稳定,高效率:PVC机包最高速度为1000颗/分钟,而PET可以达到2000颗/分钟。PVC产品因为本身材质偏脆、平整度不佳,一般膜宽控制在60CM左右,而PET产品的有限印刷膜宽可以达一米以上,PET产品印刷速度可达200M/分钟以上,而PVC则不可超过150M/分钟。所以就印刷效率上PET产品明显更有优势;④美观高档:PET扭结膜铝层牢固度更高,若在印刷过程适当加入保护树脂(调金油)可使印刷图案亮丽和清晰;同时利用PET刚度高、耐腐蚀的特性,进行局部洗铝或压信息层处理镭射效果,印刷效果立体感强,大大提高被包装产品的档次;⑤安全:目前国内PET扭结膜已通过美国FDA (食品与药品监督局)检测,产品可出口世界各地。
     PET扭结膜目前在国外主要有印度、土耳其、日本、韩国等地产品,国内主要生产厂家有汕头冠晟塑胶有限公司和浙江强盟实业股份有限公司。国内每年需求量目前在20000吨左右,随着市场的成熟和消费者对食品安全意识需求的提高,同时在国家加大对PVC产品监管力度作用下,以及食品企业对自身产品安全要求的推动下,PET扭结膜产品将有更加广阔的发展空间。
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  • 北侠
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    优秀文章,支持!
    2013-02-18 15:43
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发布于:2013-02-06 21:01
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发布于:2013-03-01 09:33
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