1、了解使用特性任何一種粘接劑都不是多用的，一種粘膠只能適合某種或某一類特定的被粘物質(zhì)。一些廠家抱著“試一試”的心理盲目用膠，既浪費(fèi)了時(shí)間、精力，還造成很大損失。現(xiàn)在各包裝廠常常粘接的一般有BOPP/紙、磨光/紙、PET/紙、高光印品類紙/紙，另外還有些廠家如PVC/紙、PVC/木、UV/紙等，這些產(chǎn)品可選用市面上不同型號的膠來。
1. Understand the use characteristics of any kind of adhesive is not multi-purpose, a kind of adhesive can only be suitable for a certain or a certain type of specific substances. Some manufacturers blindly use glue with a "try" mentality, which not only wastes time and energy, but also causes great losses. At present, BOPP / paper, polished / paper, PET / paper, high gloss printing paper / paper are often bonded by packaging plants. In addition, some manufacturers such as PVC / paper, PVC / wood, UV / paper, etc. these products can be solved by using different types of adhesives on the market.
2、質(zhì)量標(biāo)準(zhǔn)
2. Quality standard
作為一種膠粘劑，重要的質(zhì)量標(biāo)準(zhǔn)：A、粘接強(qiáng)度（附著性）；B、耐高溫性；C、耐低溫性；D、耐老化性；E、粘接強(qiáng)度的保持性。國內(nèi)許多包裝廠出現(xiàn)的粘接不牢，或一段時(shí)間內(nèi)產(chǎn)品發(fā)脆，脫膠基本上都是以上幾種情況。所以常聽有的印刷包裝廠同行說“有些膠熱天脫膠，有些膠冷天脫膠，有些膠不管冷天、熱天存放的時(shí)間就是不長”這種說法，其實(shí)就是對膠的質(zhì)量標(biāo)準(zhǔn)未深刻了解所致，甚一些生產(chǎn)粘膠的工廠自己都不知道為什么要脫膠，所以在生產(chǎn)過程中出現(xiàn)質(zhì)量問題就不足為奇了。
As an adhesive, the important quality standards are: A, adhesive strength (adhesion); B. High temperature resistance; C. Low temperature resistance; D. Aging resistance; E. Retention of adhesive strength. In many domestic packaging plants, the bonding is not firm, or the product is brittle within a period of time, and the degumming is basically the above situations. Therefore, it is often said by some printing and packaging factory colleagues that "some glue is degummed in hot weather, some glue is degummed in cold weather, and some glue is not stored for a long time regardless of cold or hot weather". In fact, this is due to the lack of a deep understanding of the quality standard of glue, and even some factories producing glue do not know why they want to degumm, So it's not surprising that there are quality problems in the production process.
3、性能
3. Performance
現(xiàn)在市場常用的膠屬混溶型多功能紙塑膠粘劑，初粘力強(qiáng)，粘接強(qiáng)度大，耐高低溫性好，粘接保持性好，耐潮性好且粘接范圍廣，只需一二種膠就基本滿足現(xiàn)包裝廠的全部粘接要求（BOPP/紙、磨光/紙、PET/紙、UV光/紙、油墨/油墨），而受到許多廠家的歡迎。混溶性的缺點(diǎn)是容器用具的清洗性稍差，野膠得用溶劑擦拭（因耐潮性好）。所以，各廠家在選擇粘膠品種時(shí)要根據(jù)自己的實(shí)際情況，了解各品種的特性和性能，適應(yīng)范圍。同時(shí)還得對提供粘膠的生產(chǎn)廠有一定了解，如產(chǎn)品是否成熟，產(chǎn)品的穩(wěn)定性，對產(chǎn)品的了解程度，技術(shù)力量等。否則，盲目用膠危害很大，因?yàn)檎衬z產(chǎn)品都有滯后性，許多脫膠都是在幾天甚幾月后才顯現(xiàn)出來，所以用膠要慎重。
The adhesive commonly used in the market is a kind of multi-functional paper plastic adhesive with strong initial adhesion, high bonding strength, good high and low temperature resistance, good adhesion retention, good moisture resistance and wide bonding range. Only one or two kinds of adhesive can basically meet all the bonding requirements of current packaging plants (BOPP / paper, polished / paper, PET / paper, UV light / paper, ink / ink), which is welcomed by many manufacturers. The disadvantage of miscibility is that the cleaning ability of containers and utensils is slightly poor, and wild gum has to be wiped with solvent (due to good moisture resistance). Therefore, manufacturers in the selection of viscose varieties, according to their own actual situation, understand the characteristics and performance of various varieties, the scope of application. At the same time, we also have to have a certain understanding of the manufacturers providing viscose, such as whether the products are mature, the stability of the products, the degree of understanding of the products, technical strength, etc. Otherwise, the blind use of glue is very harmful, because the viscose products are lagging behind, and many degumming are only revealed after a few days or even months, so the use of glue should be careful.
4、價(jià)格
4. Price
選擇粘膠劑，質(zhì)量要高于價(jià)格。一些廠家盲目認(rèn)為價(jià)格越高質(zhì)量越好，或價(jià)格越低質(zhì)量越差，這些看法是很片面的，也因此一些廠家既花了錢，又造成很大損失。其實(shí)粘膠在一個(gè)包裝產(chǎn)品的成本中只占有很小的比例。所以我們認(rèn)為在了解產(chǎn)品特性，了解質(zhì)量標(biāo)準(zhǔn)及性能的前提下，再尋求一種合適的價(jià)格，我們認(rèn)為這才是合理的。
Choose adhesive, quality is higher than price. Some manufacturers blindly believe that the higher the price, the better the quality, or the lower the price, the worse the quality. These views are very one-sided. Therefore, some manufacturers not only spend money, but also cause great losses. In fact, viscose only accounts for a small proportion of the cost of a packaging product. Therefore, we think that it is reasonable to seek a suitable price on the premise of understanding product characteristics, quality standards and performance.
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