新闻中心
In the printing and binding, paper packaging, and pearl cotton processing industries, hot melt adhesive is an essential core auxiliary material in production. Many bosses are indecisive when choosing adhesive: should EVA hot melt adhesive or PUR hot melt adhesive be used?
Actually, forRegular book binding, cardboard packaging, pearl cotton bonding, quick printing of graphics and textIn the vast majority of conventional production scenarios,EVA hot melt adhesive is the most cost-effective and worry free choice。
As a brand that has been deeply involved in the research and production of hot melt adhesives for many years,Guangzhou Sunlife Hot Melt AdhesiveOur EVA series products, which are highly adaptable and stable, perfectly meet the daily production needs of small and medium-sized factories, graphic stores, and packaging production lines. They are also widely recognized universal hot melt adhesives in the industry.
EVA hot melt adhesive is an environmentally friendly thermoplastic adhesive made from ethylene vinyl acetate copolymer as the core material. It is a solid adhesive particle at room temperature and can be coated after heating and melting. After cooling, it quickly forms and completes the bonding process. The entire process is solvent-free, non-toxic, odorless, and environmentally compliant, fully meeting the production and environmental protection requirements of the paper and packaging industries.
With its core characteristics of wide adaptability, simple operation, and controllable cost, EVA hot melt adhesive firmly occupies the mainstream position in the paper bonding market.
Compared to high-end reactive hot melt adhesives, EVA hot melt adhesives have lower raw material costs and do not require specialized high-end equipment. Ordinary hot melt adhesive machines and wireless adhesive installation machines can be used directly. In the scenario of large-scale production, it is the first choice for small and medium-sized production enterprises and graphic stores to effectively control the cost of consumables. Guangzhou Sunlife S-399 pearl cotton special adhesive and conventional book binding adhesive have outstanding cost-effectiveness advantages when used in bulk.
EVA hot melt adhesive does not have strict environmental requirements and does not require sealed dehumidification equipment. It can be used for adhesive production immediately after startup, and even beginners can quickly get started. The most suitable point for industry production needs is that it supports rework and repair. If there are problems such as book binding misalignment or packaging deviation, it can be disassembled and re bonded after heating without damaging the material, greatly reducing the scrap rate.
Unlike the harsh storage conditions of special hot melt adhesives, Guangzhou Sunlife EVA hot melt adhesive can be stored at room temperature with ventilation. After opening, it is not easily affected by moisture or deterioration, and has a stable shelf life. Stores and factories can stock up normally without worrying about inventory backlog and scrap.
EVA hot melt adhesive has excellent flexibility for soft and lightweight materials such as paper, pearl cotton, and corrugated paper. After bonding, it is not easy to become hard or brittle, and can adapt to slight shaking and squeezing during book folding, packaging, and transportation. Its daily use firmness fully meets the standard.
Many people cannot distinguish the difference between the two types of glue, but in fact, their positioning is completely different, and their adaptation scenarios do not conflict with each other, so there is no need to blindly pursue high-end styles.
EVA hot melt adhesive belongs to the general economic adhesive categoryIt is also our main adhesive for regular production. Its comprehensive performance is balanced and sufficient to meet the bonding needs of the vast majority of paper products and packaging. The only shortcoming is moderate high and low temperature resistance, waterproof and weather resistance, which is not suitable for extremely harsh environments. However, it is fully suitable for indoor production, storage, and transportation scenarios at room temperature.
PUR hot melt adhesive belongs to high-end functional adhesiveThe cost and equipment investment are both higher, with a unit price 2-3 times that of EVA. A dedicated sealing machine is also required, and strict moisture-proof measures must be taken during use and storage. Once cured, rework is not possible, and errors can only be scrapped. It has the advantages of high bonding strength, high and low temperature resistance, waterproof and aging resistance, and can cope with outdoor, high temperature, high humidity and high load bearing special conditions.
Summary:Choose EVA for regular mass production and PUR for high-end special working conditionsChoosing on demand is the most cost-effective and efficient way.
Ordinary textbooks, teaching aids, magazines, picture books, bidding documents, instruction manuals, notebooks and other paper products are bound and fully compatible with EVA hot melt adhesive. Guangzhou Sunlife Books and Periodicals Special EVA Adhesive optimizes the penetration and adhesion for copperplate paper and adhesive paper, ensuring firm binding and preventing pages from falling off. It is suitable for small batch fast printing in graphic and text stores and large-scale production in factories, making it easy to repair and greatly improving production efficiency.
Conventional packaging scenarios such as carton sealing, corrugated paper bonding, hand-held paper bags, shoe boxes, ordinary gift boxes, and express packaging, with stable bonding and fast molding of EVA hot melt adhesive, can meet the high-speed production needs of assembly lines and are suitable for daily warehousing and logistics transportation scenarios.
Pearl cotton bonding, foam product bonding, cushion packaging processing are the advantageous scenes of EVA hot melt adhesive. Guangzhou Sunlife S-399 special adhesive for pearl cotton has good toughness, tight fit, won’t corrode foam material, excellent shockproof bonding effect, and is a popular product for packaging processing plants.
Lightweight bonding scenarios such as archive bags, envelopes, folders, paper crafts, greeting cards, etc. EVA hot melt adhesive is environmentally friendly, safe, easy to operate, and cost-effective, far exceeding various high-end hot melt adhesives.
Don’t blindly follow the trend and choose high priced PUR hot melt adhesive, forBookbinding, graphic printing, cardboard packaging, pearl cotton processingWaiting for 90% of conventional industry scenarios,Guangzhou Sunlife EVA Hot Melt AdhesiveWith the advantages of low cost, easy operation, reworkability, and high adaptability, it can fully meet production needs, be stable, durable, and cost-effective.
Only when facing high-end hardcover books, outdoor packaging, food sealing, and special high and low temperature conditions, can PUR hot melt adhesive be selected as needed. Choosing and using the right adhesive is the only way to truly reduce costs and increase efficiency in production!
On July 12, 2024, Printing Manager magazine officially released the “Top 100 Printing and Packaging Enterprises in China 2024” ranking list.
What are the benefits of using hot melt adhesive for packaging? When a business is just getting started, it needs a great deal of originality, courage and the ability to make full use of the things around it. When delivering products to customers, the issue of product packaging comes into play. However, once enterprises make […]
Bonding solution of hot melt adhesive for hand-held bags. Paper bags are a part of our daily life. They come in a variety of shapes, substrates, sizes and colors. They are used for the packaging and transportation of important items such as food, gifts and clothes. For this reason, it is necessary to use high-quality […]
When choosing a supplier of EVA hot melt adhesive for books, periodicals and packaging, the key is to see if it can solve the actual problems on your production line. Don’t complicate the problem. Just focus on the following three key points to make a judgment.
