歐洲更加青睞紙材料作為食品包裝

2017-04-18 pulpapernews

在包裝食品時(shí)，必須考慮到衛(wèi)生，處理和儲(chǔ)存方面的許多要求。歐洲紙袋行業(yè)為推動(dòng)紙成為最佳食品包裝材料做了許多貢獻(xiàn)。

歐洲聯(lián)合會(huì)多層紙張包裝制造商歐洲分公司總代表凱瑟琳·凱爾寧（Catherine Kerninon）解釋說：“同時(shí)，食品市場(chǎng)非常有趣和復(fù)雜?！拔覀兊男袠I(yè)一直保持良好的增長(zhǎng)需求。從2015年到2016年，紙袋增漲了6.4％，主要用于運(yùn)輸粉狀食品如糖，面粉，淀粉，食品添加劑，芳香草藥，加工果干，雞蛋或牛奶等。食品包裝紙袋的構(gòu)造為開口或閥口袋，由兩層至三層紙構(gòu)成，通常內(nèi)部會(huì)覆不含PE的薄膜或涂層。紙袋使用淀粉基膠水和水性油墨，以避免污染。紙袋的尺寸和體積因客戶需求而異。

一些食物如面粉或淀粉需要保持透氣以防止發(fā)霉。紙袋是最適合這些產(chǎn)品的包裝。由于其天然的孔隙率，紙袋使產(chǎn)品“呼吸”。紙袋也可排出少量的水分，以免袋內(nèi)的水分發(fā)生冷凝。用于生產(chǎn)紙袋的纖維是100％天然和可再生的。因此，當(dāng)使用紙作為包裝材料時(shí)，填料選擇可回收環(huán)保型的，或者在其用完后堆肥。

Kerninon解釋說：“在生產(chǎn)食品用的紙袋時(shí)，生產(chǎn)者面臨著衛(wèi)生、健康等大量法律要求。“任何食品袋供應(yīng)商應(yīng)根據(jù)歐盟范圍內(nèi)的食品包裝供應(yīng)商的安全標(biāo)準(zhǔn)由獨(dú)立認(rèn)證機(jī)構(gòu)進(jìn)行認(rèn)證?！背朔蠂?guó)家和歐盟范圍的法律法規(guī)之外，還必須進(jìn)行遷移測(cè)試并履行危害分析和關(guān)鍵控制點(diǎn)概念（HACCP）。這包括保護(hù)紙張免受潮濕和霉變，特別是在倉(cāng)儲(chǔ)中；定期檢查用于接頭和封閉用的膠水，以防止細(xì)菌污染的風(fēng)險(xiǎn)；并分析在紙袋制造過程中可能遷移的外來物質(zhì)的污染風(fēng)險(xiǎn)。客戶有自己的要求和審核。

Kerninon說：“由于內(nèi)部和外部的規(guī)定，食品行業(yè)在持續(xù)改進(jìn)。“這導(dǎo)致包裝生產(chǎn)商對(duì)材料，技術(shù)和產(chǎn)品創(chuàng)新的持續(xù)更新?！敝饕?yīng)商的所有紙袋紙質(zhì)量符合歐盟相關(guān)法規(guī)。關(guān)于袋式結(jié)構(gòu)的密封性，已經(jīng)開發(fā)出了密封，屏障和涂層等方式，以確保袋的緊密封閉并且保護(hù)其內(nèi)容物免受水分，氧氣，氣味或礦物油的遷移等的污染。例如，針對(duì)袋閉合，口上置有熱熔體或其他類型的可密封閥的階梯式末端袋。產(chǎn)品保護(hù)方面的發(fā)展之一是混合袋，外置“易剝”PE膜。

Kerninon說：“未來，我們的成員預(yù)計(jì)衛(wèi)生領(lǐng)域的要求甚至更高?！斑@可能最終導(dǎo)致只有少數(shù)高度專業(yè)的袋裝生產(chǎn)商能夠滿足最苛刻的客戶的要求并在市場(chǎng)上保持成功?！绷硪粋€(gè)趨勢(shì)是，食品行業(yè)將導(dǎo)致新的標(biāo)準(zhǔn)為無(wú)塵紙袋。特別是遠(yuǎn)東地區(qū)的客戶對(duì)歐盟市場(chǎng)通常能容忍的紙袋中甚至可以忽略不計(jì)的粉末溢出量非常敏感。為了準(zhǔn)備這一發(fā)展，歐洲紙袋行業(yè)已經(jīng)出版了無(wú)塵紙袋行業(yè)指南。

新聞根據(jù)pulpapernews新聞編譯，原文如下：

Eurosac highlights convincing arguments for paper sacks for food

Numerous requirements in terms of hygiene, handling and storage practices have to be taken into account when packaging food products. The European paper sack and sack kraft paper industry has contributed many developments that make paper sacks the perfect packaging for food.

“The food market is very interesting and complex at the same time,” explains Catherine Kerninon, General Delegate of EUROSAC, the European Federation of Multiwall Paper Sack Manufacturers. “Our industry has managed to keep a good demand in consistent growth. From 2015 to 2016 an increase of 6.4% paper sacks have been delivered.” They are mainly used to transport powdery food products such as sugar, flour, starch, food additives, aromatic herbs, processed or dried fruit, eggs or milk. Paper sacks for food are typically constructed as open mouth or valve sacks, and consist of two to three layers of paper and often in combination with a polyethylene (PE) free film tube inliner and/or coated paper. They use starch-based glue and water-based inks in order to avoid contamination risks. Their size and volume may differ according to the individual customer needs.

Some food products such as flour or starch need to interact with air and moisture to prevent mould formation. Paper sacks are the best solution for these products. Thanks to their natural porosity, paper sacks enable the products to “breathe”. The air can escape from the sack while at the same time protecting the contents securely from outside influences. This allows for an economic filling process as well as easy palletisation. Paper also vents minor amounts of moisture so that no condensed moisture may occur inside the sacks. The fibres used to produce sack kraft paper are 100% natural and renewable. Thus, when using paper as packaging material, fillers choose the environmentally friendly solution that can also be recycled and composted at the end of their life.

“When producing paper sacks for food, producers face a large number of legal requirements that ensure hygiene and prevent any possible harm to health,” explains Kerninon. “Any food sack supplier should be certified by an independent accredited body according to the EU-wide safety standards for suppliers of food packaging.” Besides compliance with national and EU-wide rules and laws, they have to run migration tests and fulfil a hazard analysis and critical control points concept (HACCP). This includes, for example, protecting paper from moisture and mould, especially in warehousing; periodically checking glues used for joints and closure in order to prevent contamination risk from bacteria; and analysing risk of contamination from foreign material that might migrate during sack manufacture. Customers have their own requirements and audits. These may range from a further reduction of hygienic risks, for example in regard to procedures in the production area, sack closure, palletising and handling issues to the overall environmental and ethical performance along the supply chain.

“The food industry achieves continuous improvements thanks to internal and external regulations,” says Kerninon. “This leads the packaging producers to a consistent update on materials, technology and product innovation.” All sack kraft paper qualities from the main suppliers fulfil the relevant EU regulations and are transported in an adequate wrapping of protective paper to the converters. Concerning sack construction, many different sealing, barrier and coating concepts have been developed to ensure a tight closure of the sack and to protect the contents from moisture, oxygen, odours or migration of mineral oils, for example. An example of sack closure is a stepped end-bottom sack with hot melt on the mouth or other types of sealable valves. One of the developments concerning product protection is a hybrid sack with paper outside and an “easy peel” PE inlay inside.

“In the future, even higher requirements in the area of hygiene are expected by our members,” states Kerninon. “This may end up in a situation where only a few highly specialised sack producers will be capable of fulfilling the requirements of the most demanding customers and remain successful in the market.” Another trend they foresee is that the food industry will lead to a new standard for dust-free paper sacks. Especially customers in the Far East are very sensitive to even negligible amounts of spillage of powder from a paper sack usually tolerated in the EU market. In preparation for this development, the European paper sack and sack kraft paper industries have published industry guidelines for dust-free paper sacks.