EVA Based Hot Melt Adhesive
EVA glue is an adhesive made from ethylene-vinyl acetate copolymer. It stands out as a top choice for those seeking a robust, durable, and waterproof bonding material suitable for various materials.
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Product Introduction
Jiangyin Weitao Plastics New Material Co., Ltd.: Your Professional EVA Based Hot Melt Adhesive Manufacturer!
Jiangyin Weitao Plastic New Material Co., Ltd. was established on December 27, 2011. We have been engaged in this industry for more than 10 years. About three years after the establishment of the company, we have become the top enterprise in this adhesive industry, especially in the technology research and development, we have made a lot of achievements. We have obtained more than ten invention patents, breaking the industry for a long time difficult to solve the problem. For example, our flame-retardant hot melt adhesive is now very popular in the European and American markets. In the future, we will focus more on technology development and solve more problems for our customers. Also better serve customers from all over the world.
Factory
Our company located in No.22 Longteng Road Zhouxi Industrial Park Zhouzhuang Town Jiangyin City, Jiangsu Province. We have two big work shop,and there is 300 employees.
Production Equipment
There are four imported extruding machines,one film blowing machine,one granulating machine, dividing and cutting machines and two laminating fabric machines.
OEM/ODM Services
Leverage our OEM/ODM prowess to bring your product vision to life. With custom designs and high-quality manufacturing, we deliver solutions that perfectly align with your brand and market needs, ensuring a competitive edge in a rapidly evolving marketplace.
Professional Team
We will reply the customer inquiries in time. We will do our best to meet the needs of our customers. For all kinds of problems proposed by customers, we will do our best to help customers solve them. We will send the most suitable samples for customers according to their needs. We will also offer you the best price for your inquiry.
Related Product Introduction
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Also known as book repair tape, book binding tape is the collective name for several types of one sided tape used in various types of binding projects. It may be used to bind paper documents together or to repair hard back books where the cover has separated from the spine. Because the tape is used to bind or repair books of all sizes, it comes in a wide range of sizes and thicknesses.
Industrial EVA films, made primarily of ethylene-vinyl acetate copolymer (EVA), are thermosetting adhesives with strong adhesion properties. They're extensively used in electrical components and various optical products due to their excellent adhesion, durability, and optical characteristics. Their applications extend beyond current components and optical products, playing significant roles in packaging, construction, automotive, electronics, and more. In the realm of electrical components, EVA films serve as encapsulation materials, protecting battery cells and enhancing light absorption rates to boost output power, making them crucial in solar module manufacturing. Additionally, EVA films exhibit remarkable flexibility, water resistance, and weather ability, ensuring consistent performance across diverse environments and meeting the needs of different sectors.
EVA Hot Melt Adhesive Film Without Release Paper
EVA Hot Melt Adhesive Film Without Release Paper are special, lacking a release liner, also known as substrate-free or bare films. Produced directly via the casting process without needing release papers or films, they're ideal for large-scale lamination and continuous production. Their direct application in bonding eliminates extra steps of dealing with release liners, streamlining processes and boosting efficiency. Moreover, these films excel in bonding various fabrics, papers, polymers, and metals, showcasing their versatility and practicality.
EVA Vinyl Acetate Hot Melt Adhesive Film
This EVA Vinyl acetate hot melt adhesive film is a kind of white environmentally friendly and odorless solid film. It has the advantages of good flexibility, low temperature operation and convenient transportation. It is specially used for edge packaging of various books, manuals, contracts, insurance policies, medical checklists, etc. The finished product is firm and flat. Beautiful and not easy to fall off. The recommended operating temperature is 120 ° C - 150 ° C, depending on the machine, substrate, environment and other conditions.
Hot Melt Glue Film For Bonding The EPDM Rubber
Hot Melt Adhesive Film For Bonding the EPDM Rubber is a new product that our company is committed to develop, suitable for the automotive industry, rubber products industry, the product has high cohesion strength, melting point of 90 degrees, peel strength of 70N, pressing temperature T≥150 degrees, can be produced online, suitable for production line, has been put into use on the car door frame, has been well received by customers.
EVA Hot Melt Adhesive Film With PE Protect Film
EVA hot melt adhesive film is a hot melt adhesive film prepared by using ethylene - vinyl acetate copolymer as the base resin and adding viscosifier and other cooperative ingredients.
Hot Melt Adhesive Film for Wall Cloth
Hot melt adhesive film is a great choice for applying wall cloth because it offers a strong bond that is easy to apply. The film can be activated by heat, making it convenient for attaching wall cloth without the need for additional adhesives or messy glues.
Hot Melt Adhesive Film for Carpet
Hot melt adhesive film for carpet is a versatile and efficient solution for carpet applications, offering a range of benefits that make it a popular choice in the industry. This innovative adhesive film is designed to provide a strong and reliable bond between the carpet and the substrate, ensuring a secure and long-lasting installation.
What is an EVA Based Hot Melt Adhesive
EVA glue is an adhesive made from ethylene-vinyl acetate copolymer. It stands out as a top choice for those seeking a robust, durable, and waterproof bonding material suitable for various materials. This adhesive is incredibly versatile and finds its use both in craft and DIY as well as industrial sectors. Its unique property allows it to bond a diverse range of materials, including wood, metal, glass, ceramics, and even certain plastics. This adaptability makes it a go-to adhesive for numerous projects.EVA hot melt adhesive is a 100% solid, transparent, flexible Ethylene Vinyl Acetate Copolymer. It is normally categorized by percent VA content and melt flow rate (MFR) or melt index (MI). Most commonly used EVAs contain between 19% and 28% VA. The MI values are mostly ranging from 3 to 2500.In an EVA-based HMA formulation, a greater VA content can result in higher transparency, more polar, extended flexibility, and better wettability to substrates. The MI value is a simple indicator of molecular weight. A lower MI value reflects a higher molecular weight, cohesion, and internal strength.
Applications of EVA Based Hot Melt Adhesives
Paper Industry
In the paper industry, Eva based hot melt adhesives play a crucial role in ensuring that products are durable and well-bonded. They are especially useful in binding books, attaching labels, and even in the production of laminated paper products.
Woodworking
EVA's strong bonding capability is invaluable in woodworking. Whether it's for furniture assembly, bonding veneers, or even in the production of cabinetry, EVA ensures that wooden components remain firmly attached.
Assembly
In the assembly line, speed and efficiency are of the essence. EVA adhesives, with their fast set speed, are ideal for rapid assembly processes, ensuring that products are manufactured at a swift pace without compromising on the quality of bonding.
Automotive
The automotive industry demands adhesives that can withstand varying temperatures and conditions. EVA adhesives are used in the interior assembly of vehicles, bonding fabrics, foams, and other components. Their resistance to temperature fluctuations makes them a reliable choice for this sector.
Packaging
The packaging industry is perhaps one of the most significant beneficiaries of EVA adhesives. Their ability to adhere to a diverse range of materials, from waxes to aqueous coatings, makes them indispensable. Applications include carton sealing, package labelling, and paper conversion, ensuring that products are securely packaged and labelled.
Footwear
EVA adhesives have also found their footing in the footwear industry. They are extensively used in bonding various parts of a shoe, especially the sole. Given the wear and tear shoes undergo, a robust adhesive like EVA ensures longevity. Whether it's sports shoes, formal footwear, or casual sandals, EVA adhesives play a pivotal role in their construction.
Benefits of EVA Based Hot Melt Adhesive
Fast Setting Time
EVA hot melt adhesives set quickly upon cooling, which significantly speeds up production processes and reduces downtime. This rapid setting allows products to be handled almost immediately after application, improving workflow and overall productivity.
Strong Adhesion
These adhesives provide strong bonding to a wide variety of substrates, including paper, wood, plastics, and fabrics. The durable bonds they form can withstand various environmental conditions, ensuring long-lasting performance.
Flexibility
EVA hot melt adhesives remain flexible even after setting, which is beneficial for applications that require some degree of movement or flexibility. This flexibility also allows the adhesive to absorb shocks and impacts, making it suitable for dynamic applications like packaging.
Non-Toxic and Safe
EVA hot melt adhesives are typically non-toxic and safe to use, which is crucial for applications in packaging, consumer goods, and food-related products. They are also considered more environmentally friendly compared to solvent-based adhesives.
Moisture and Chemical Resistance
EVA hot melt adhesives offer good resistance to moisture and various chemicals, making them suitable for a range of environments and applications. This resistance ensures that the bond remains intact even under challenging conditions.
Key ingredients of EVA Based Hot Melt Adhesive
Ethylene Vinyl Acetate (EVA) Copolymer
This is the base polymer that provides the adhesive properties. It's a thermoplastic material, meaning it softens and becomes sticky when heated, allowing it to form bonds. The ratio of ethylene to vinyl acetate in the copolymer can vary, influencing the adhesive's flexibility, strength, and processing characteristics.
Additives
Various additives are included in the EVA based hot melt adhesive formulation to enhance its performance and functionality. These additives can include:
Tackifiers: These improve the initial tack and grab of the adhesive, allowing it to quickly form a bond with the materials being joined.
Plasticizers: These enhance the flexibility of the adhesive after it cools and hardens, preventing cracking or brittleness.
Antioxidants: These help prevent the EVA from degrading due to heat or oxidation over time, maintaining the adhesive's long-term performance.
Fillers: These can be inert materials like calcium carbonate that add bulk and can influence the viscosity, cost, and some bonding properties of the adhesive.
Waxes: These can be included to modify the processing characteristics of the adhesive, such as its flow behavior during application.
Colorants: Pigments or dyes may be added for aesthetic purposes or to indicate the adhesive type.
The specific types and ratios of these additives will vary depending on the manufacturer and the intended application of the EVA based hot melt adhesive. Some formulations might also incorporate additional specialty additives to enhance specific properties, such as flame retardancy or UV resistance.
How to Use and Apply EVA Based Hot Melt Adhesive
Step 1: Preparation
Before you begin applying the adhesive, make sure that you prep the surface you are going to be adhering to. Clean the surface by wiping off any dirt or debris with a mild detergent. It is also important to ensure the surface is dry before applying the adhesive.
Step 2: Application
Eva Hot Melt Adhesive comes in easy-to-use sticks that can be applied using a hot melt glue gun. Plug in your glue gun and allow it to heat up for about five minutes until it reaches its optimal temperature of 380°F (193°C). Once the glue gun is heated, insert one of the adhesive sticks into the back of the gun, then apply a thin layer of adhesive directly onto your surfaces-one surface should have more coverage than the other-and press them together until they are firmly bonded together. Be sure not to move them around too much as this could cause air bubbles or uneven coverage. Allow time for curing before attempting to move or handle your project.
Step 3: Cleanup
After you are done with your project, it's important to clean up any excess or hardened adhesive on both surfaces using either mineral spirits or a cleaner specifically designed for hot melt adhesives such as Eva Hot Melt Solvent Cleaner (Part # 08-4001). Make sure that all of your tools are cleaned before storing them away in a safe location.
EVA Based Hot Melt Adhesive Handling and Maintenance Tips
Understanding EVA Hot Melt Adhesives
To understand and master the various models and technical performance (including technical parameters) of each EVA hot melt adhesive type. Different types of hot melt adhesives have different opening time and curing time. In particular, it is necessary to strictly distinguish the usage of summer glue and winter glue. The opening and curing time will also change when the temperature is different.
Safe Heating Methods
When using EVA hot melt adhesive, do not directly heat it with an open flame. Be sure to use spacer oil to heat (the boiling point of water should reach 100°C), or use a sealed electric heating plate.
Pre-Heating and Application
Before using the solid EVA hot melt adhesive, it must be preheated with a preheating device and then released into the working glue box of the glue liquid. The preheating time is generally about 2 hours. When using glue, do not directly mix solid glue blocks (that is, glue that has not been preheated) into the glue box to prevent poor fluidity of the glue or apply the incompletely melted glue to the back of the book, resulting in uneven glue application.
Proper Glue Quantity in Preheated Pot
The amount of glue in the preheated glue pot should be controlled properly. If the amount is too much, the glue will melt in turn, which will cause deterioration and aging, lower viscosity, and affect adhesion.
Completing Bonding Within Open Time
During the opening time of the hot melt adhesive, the entire bonding process must be completed. If the machine stops due to a failure, the books in the book holder must be taken out in time, and the book block must not stay above the gluing wheel.
Preventing Glue Aging During Equipment Repair
When repairing wireless glue binding equipment for a long time, the pre-gluing and working glue pot should be turned off to prevent the aging of the glue.
Controlling Melted Colloid Temperature
The temperature of the molten colloid should be strictly controlled within the range of use.
Regular Cleaning of Glue Pots and Boxes
It is necessary to clean the pre-gluing pot and the working glue box regularly to keep the glue pot clean to prevent the accumulation of impurities in the glue and affect the accuracy of temperature control, and even cause the thermostat to malfunction and cause the colloid to burn. Generally, under normal production and operation, the preheated glue pot should be cleaned every 3 months. The working glue box (for glue application) should be cleaned every half a month. A system should be established for cleaning the glue pot to facilitate implementation.
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