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威尼斯官方网站平台印刷用胶粘剂选择应该注意什么?

来源:   日期:2021-04-26

1、了解使用特性任何一种粘接剂都不是多用的,一种粘胶只能适合某种或某一类特定的被粘物质。一些厂家抱着“试一试”的心理盲目用胶,既浪费了时间、精力,还造成很大损失。现在各威尼斯官方网站平台厂常常粘接的一般有BOPP/纸、磨光/纸、PET/纸、高光印品类纸/纸,另外还有些厂家如PVC/纸、PVC/木、UV/纸等,这些产品可选用市面上不同型号的胶来解决。

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、质量标准
2. Quality standard
作为一种胶粘剂,重要的质量标准:A、粘接强度(附着性);B、耐高温性;C、耐低温性;D、耐老化性;E、粘接强度的保持性。国内许多威尼斯官方网站平台厂出现的粘接不牢,或一段时间内产品发脆,脱胶基本上都是以上几种情况。所以常听有的印刷威尼斯官方网站平台厂同行说“有些胶热天脱胶,有些胶冷天脱胶,有些胶不管冷天、热天存放的时间就是不长”这种说法,其实就是对胶的质量标准未深刻了解所致,甚至一些生产粘胶的工厂自己都不知道为什么要脱胶,所以在生产过程中出现质量问题就不足为奇了。
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.
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3、性能
3. Performance
现在市场常用的胶属混溶型多功能纸塑胶粘剂,初粘力强,粘接强度大,耐高低温性好,粘接保持性好,耐潮性好且粘接范围广,只需一二种胶就基本满足现威尼斯官方网站平台厂的全部粘接要求(BOPP/纸、磨光/纸、PET/纸、UV光/纸、油墨/油墨),而受到许多厂家的欢迎。混溶性的缺点是容器用具的清洗性稍差,野胶得用溶剂擦拭(因耐潮性好)。所以,各厂家在选择粘胶品种时要根据自己的实际情况,了解各品种的特性和性能,适应范围。同时还得对提供粘胶的生产厂有一定了解,如产品是否成熟,产品的稳定性,对产品的了解程度,技术力量等。否则,盲目用胶危害很大,因为粘胶产品都有滞后性,许多脱胶都是在几天甚至几月后才显现出来,所以用胶要慎重。
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、价格
4. Price
选择粘胶剂,质量要高于价格。一些厂家盲目认为价格越高质量越好,或价格越低质量越差,这些看法是很片面的,也因此一些厂家既花了钱,又造成很大损失。其实粘胶在一个威尼斯官方网站平台产品的成本中只占有很小的比例。所以大家认为首先在了解产品特性,了解质量标准及性能的前提下,再寻求一种合适的价格,大家认为这才是合理的。
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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