Polyurethane(PUR) Based Adhesives

PUR Adhesive for Smart Watch AssemblySmart Watch Market TrendDespite inflation and geopolitical crises that have continued since the beginning of 2022, the global smartwatch market shipments increased 12% in 2022, according to the latest Global Smartwatch Model Tracker. What more exciting is, India’s smartwatch market grew 171% YoY to become the biggest smartwatch market in the world during Q3 of 2022 thanks to the rapid growth of their domestic market!Among the types of smartwatches, the basic smartwatch, with relatively lighter versions of operating systems (OS) and more affordable prices, has been the key driver in sharply boosting the India market recently. But still, in terms of revenue, the High-Level OS smartwatch overwhelms the basic smartwatch with a market size of almost 10 times due to its high average selling price.PUR Adhesive for Smart Watch AssemblyTex Year as a world leading adhesive supplier, we offer a range of PUR hot melt adhesive products for smartwatch assembly. Our products are suitable for high-end international brands, as well as basic local brands. Additionally, we offer products suitable for relatively dry weather conditions. We also have products with a faster curing time, which can help to increase efficiency during the assembly process. Moreover, we are proud to say that our products have already achieved great sales performance in India for their local brand. We are committed to continuing to offer high-quality products to meet the growing demands of the smartwatch market.Here are some general points that we need to be aware of while dealing with a smartwatch customer:1.    Bonding substrates: Usually PUR is used for assembly of display, watch frame, bottom lid, and sensor fixing. The substrates of display is usually glass, while the frame might be ABS, metal, or PC depends on different types of smartwatches.2.    Application method: Most of the smartwatch production line is automatic while there is still a few applying manually. 3.    Adhesive color: Black or transparent. Depends on customer needs, transparent color features a cleaner look, while black color is more visible for customer to track the glue applying status. 4.    Environment: The best condition for operation and curing is 25℃/65% (Temperature/Humidity), the dryer the environment is, the longer the curing time will be.5.    Pressuring & Curing time: Pressuring time is around 20-60mins, while curing time is up to 2-7 days depending on different production parameters of customer’s.6.    Testing standard: IP standard, including water and dust resistance, drop test, vibration test, etc.    In conclusion, as the smartwatch market trend continues to grow, the use of high-quality adhesive products becomes increasingly important. Our range of PUR hot melt adhesive products offers excellent bonding, durability, and resistance to moisture and temperature changes. Our commitment to providing quality products has earned us a good reputation in the industry, and we will continue to strive for excellence in meeting the needs of our customers.CONTACT US if you need further assistance. Our professional team of technical solution will be your strongest back up.

PUR Adhesives Used in Automotive IndustryHot melt adhesive and moisture-reactive polyurethane (PUR) hot melt adhesive are often used in car bodies and vehicle applications due to its high strength, flexibility, weather resistance and irreversible properties. Such as, lamps, automotive carpets, electronic equipment, automotive filtration, seating and interior applications. Automotive Adhesives Sealants MarketThe automotive adhesives and sealants market was valued at USD 6,414.1 million in 2020. As far as the global automotive industry is concerned, adhesives have become a key technology in the automotive industry, replacing welding and mechanical fasteners. The average family car uses more than 15kg of adhesive. Metal components are replaced with composite materials, bonded with adhesives, which reduces the car's weight and improves fuel efficiency. In addition to light weighting, manufacturers use adhesives to increase vehicle strength and rigidity, absorb vibrations and dampen unwanted engine and road noise, and overall improve passenger comfort and safety. Why Moisture-Reactive Polyurethane (PUR) Hot Melt Adhesive?In the automotive manufacturing industry, components must be designed and produced to meet requirements for accuracy, quality, safety, dependability and repeatability. So when automakers choose an adhesive to bond parts, they typically choose reactive polyurethane hot melts (PUR). Due to form a thermoset polymer with good solvent and chemical resistance, it has the advantages of good high/low temperature resistance, strong adhesive performance, impact resistance, etc. It can be used for bonding of various materials, and is used for seat and interior trim parts and automotive electronic components in automobile manufacturing. Hot melt adhesives are widely used in automobiles as they provide good adhesion to leather, fabric, glass and polymer-based surfaces. Tex Year glues and coatings commonly used in the automotive industry are as below:1.    Automotive Lamp SealantDue to the harsh environment in which the headlights are used, the temperature inside the headlights can be as high as 170°C when the lights are turned on for a long time. Therefore, the headlight glue must ensure that its performance is stable at high temperatures and does not release organic gases to cause atomization. In weather conditions such as wind and rain, the headlight glue needs to maintain stable performance under long-term erosion and impact from wind and rain. Under long-term exposure to the sun, the car lamp glue must also be able to withstand ultraviolet rays without causing cracks and other aging phenomena.Car lamp glue can use butyl rubber system, PUR hot melt adhesive system. PUR hot melt adhesive has the advantages of fast curing and high initial strength of hot melt adhesive. It can be quickly bonded and at the same time play a role of sealing, which not only reduces the cost but also facilitates automatic production. It has strong initial adhesion and fast curing speed, and can carry out other assembly processes without long-term storage after the lamp is glued. In the subsequent storage and transportation, it will further react with moisture in the air to increase the curing strength. Good temperature resistance, chemical corrosion resistance and aging resistance and other characteristics. BaseGradePackaging Spec.Viscosity (cps)PURR2120G/B18kg/ pail300ml/cartridge9,000 @120℃R2215G/B20kg/ pail12,000 @ 120℃Butyl Rubber HMABR021G/B18kg/CTN21,000 @200℃Gel-Like Sealant HMABR015G/B12kg/CTN15,200 @200℃ 2.    UV Primer Headlights are one of the most important parts of your car that need to be protected to extend their life. The main material of the lamp holder is PC/ABS and BMC. There will be fine unevenness on the plastic surface, which will cause random reflection during vacuum coating and affect the brightness. Use UV primer to fill in the unevenness of the plastic to make the coating smooth and fully reflect the brightness. GradeAppearanceViscosity (Sec,NK-2,25℃)1553BClearLight Yellow Liquid 12~14S 1553AClearLight Yellow Liquid 9.5~11S 1553CClearLight Yellow Liquid 11~13S  3.    Hard CoatCar lampshades are made of PMMA or PC. Long-term outdoor exposure is prone to yellowing, cracking, powdering and white fog. Moreover, when the vehicle is driving at high speed, the lamps are easily affected by sand and gravel impact, insect corpses, dust and oil and other substances are attached. Use Hard Coat protective coating to prevent changes from external factors and make the lights more durable. GradeAppearanceViscosity (Sec,NK-2,25℃)1552DClearLight Yellow Liquid 7~10S  4.  Automotive InteriorBase: PUR hot melt adhesive, hot melt adhesiveNowadays, automobile interiors are mostly made of leather, artificial leather, foam plastics, artificial sponges and other materials. During the manufacturing process, adhesives are used to composite and mold multiple layers of materials to improve the comfort of driving. Including car roofs, car sun visors, car trunk tire covers, dashboards, car seats, car pedals, compartment partitions, etc., are all attached using hot melt adhesive.PUR hot melt adhesive is a solvent-free solid compound that cross-links and solidifies quickly through moisture reaction. It has excellent adhesion to various materials and does not produce volatile substances. It meets environmental protection requirements and achieves things that ordinary hot melt adhesives cannot. Structural bonding and high and low temperature resistance are suitable for bonding and molding of car interiors, greatly improving the functionality, aesthetics and physical properties of car interiors. 5.    Bonding of Automotive Brand-Name and LogosBase: PUR hot melt adhesiveIn the past, the car brand-name used riveting connection methods, and the overall fit was not rigorous enough and lacked aesthetics. Nowadays, most temperature-resistant and aging-resistant PUR hot melt adhesives are used to bond brand-name and logos.Tex Year provides general EVA hot melt adhesive, hot melt pressure-sensitive adhesive, polyolefin hot melt adhesive, polyamide hot melt adhesive. PUR hot melt adhesive and two-component acrylic structural adhesive for automotive lights and roofs, including shed and various interior accessories.CONTACT US if you need further assistance. Our professional team of technical solution will be your strongest back up.

A Cloth & Fabric Glue Full GuideWhat is Cloth & Fabric Glue?Cloth and fabric glue, also known as fabric adhesive or textile adhesive, is a type of adhesive specifically designed for bonding fabrics and textiles together. It is a versatile and convenient alternative to traditional sewing for various fabric-related projects. Why Use Cloth Glue? Cloth glue is used primarily for its convenience and versatility in bonding fabrics together, whether for quick repairs, crafting, or attaching decorative elements to fabric surfaces. It offers an accessible and easy-to-use solution for various fabric-related needs. Advantages of using Cloth GlueUsing cloth glue, offers several advantages in various fabric-related projects and applications:No-Sew Solution:One of the primary advantages of cloth glue is that it eliminates the need for sewing, making it accessible to individuals who may not have sewing skills or equipment. This is especially beneficial for quick fixes and simple fabric projects.Time Efficiency:Cloth glue is significantly faster than sewing, allowing for quick repairs and the completion of fabric projects in less time. It&#39;s an excellent option when you need to make speedy repairs or complete last-minute projects.Versatility:Fabric glue is formulated to bond a wide range of fabric types, including cotton, denim, silk, polyester, and more. This versatility makes it suitable for various fabric-related applications without the need for specialized needles or threads.Bond Strength:Fabric glue is designed to create strong bonds between fabric pieces. When properly applied and allowed to cure, the bond can be durable and withstand everyday wear and tear, including washing and drying.Temporary or Permanent:Depending on the type of fabric glue used, you can achieve both temporary and permanent fabric bonds. Some fabric glues are designed to be washable but can be removed when needed, while others provide a more permanent bond.In summary, cloth glue offers advantages such as speed, versatility, ease of use, and strong bonding capabilities, making it a valuable tool for both quick repairs and a wide range of fabric-related projects. Types of Cloth GlueThere are several types of cloth glue or fabric adhesives available, each designed for specific purposes and fabric types. Here are some common types of cloth glue:Permanent Fabric Glue:Permanent fabric glue is designed to create a strong and durable bond that can withstand washing and frequent use. It&#39;s ideal for mending clothing, attaching patches, and other fabric applications where a long-lasting bond is required.Temporary Fabric Glue:Temporary fabric glue is formulated to provide a temporary bond that can be easily removed when needed. It&#39;s often used for basting fabric pieces together before sewing, creating temporary fabric arrangements, or making adjustments to clothing that may need to be altered later.Fabric Fusion Adhesive:Fabric fusion adhesive is a type of fabric glue that is known for its ability to bond fabric-to-fabric and fabric-to-other materials, such as wood or paper. It&#39;s often used in mixed-media crafting projects.Heat-Activated Fabric Adhesive:This type of fabric adhesive requires heat to activate the bonding process. It is often used in conjunction with an iron or heat press to create a secure bond between fabric layers. Heat-activated fabric adhesive is commonly used for appliqué work.Spray Fabric Adhesive:Spray fabric adhesive comes in an aerosol can and is sprayed onto fabric surfaces. It is commonly used in quilting and upholstery projects to temporarily bond fabric layers together for sewing or quilting.Talking about formulation, here are some common ingredients and components that you might find in the formulation of fabric adhesives:Polymer Resins:Most fabric glues contain polymer resins as their primary adhesive component. These resins are responsible for creating the bond between fabric fibers. Common polymer resins used in fabric glues include polyvinyl acetate (PVA) and acrylic resins.Solvents:Solvents are used to keep the adhesive in a liquid or semi-liquid state until it is applied. They also assist in the penetration of the adhesive into the fabric fibers. Common solvents include water and various organic solvents.Thickeners:Thickeners are added to control the viscosity of the glue, making it easier to apply and preventing it from running or dripping excessively. Common thickeners include cellulose derivatives and natural gums.Modifiers:Various modifiers may be included to enhance specific properties of the fabric glue, such as flexibility, adhesion strength, and resistance to environmental factors. These modifiers can include plasticizers, UV stabilizers, and cross-linking agents. Types of Fabric that can be GluedDifferent types of fabrics may require specific types of fabric glues or adhesives for optimal results. The choice of fabric glue depends on factors such as the fabric type, the intended use, and whether you need a temporary or permanent bond. Here are some common fabric types and the recommended types of fabric glues for each:Cotton and Cotton Blends:Recommended Glue: All-purpose fabric glue or permanent fabric glue.Use: Cotton fabrics are versatile and can be bonded with a wide range of fabric glues. Permanent fabric glue is suitable for long-lasting repairs and projects.Polyester and Synthetic Fabrics:Recommended Glue: All-purpose fabric glue or permanent fabric glue.Use: Fabric glues that work well with synthetic fabrics are suitable for polyester and blends. Ex: APO / APAO / Polyolefin Based Hot-Melt Adhesive series, PUR / Polyurethane Based Hot-Melt AdhesivesNylon:Recommended Glue: Permanent fabric glue or fabric glue designed for nylon.Use: Nylon can be challenging to bond due to its smooth surface, so specialized fabric glue may be necessary. Ex: APO / APAO / Polyolefin Based Hot-Melt Adhesive series, PUR / Polyurethane Based Hot-Melt AdhesivesLeather and Suede:Recommended Glue: Leather glue or suede glue.Use: Leather and suede require specialized adhesives designed for these materials. Ex: APO / APAO / Polyolefin Based Hot-Melt Adhesive series, PUR / Polyurethane Based Hot-Melt AdhesivesHow to Choose the Best Cloth Glue for You? Choosing the best cloth glue for your specific needs involves considering several factors, including sheer strength, color, water resistance, heat resistance, open time, and setting time. Here&#39;s how to make an informed choice based on these factors:Sheer Strength:Consider the type of fabric and the intended use. If you need a strong, permanent bond, opt for a fabric glue designed for high sheer strength. Check product labels and descriptions for information on shear or tensile strength, which indicates the adhesive&#39;s ability to withstand forces that can cause fabrics to slide against each other.Color:If the color of the adhesive is important for your project, look for fabric glues that dry clear or in a color that matches your fabric. Some glues are specifically designed to dry transparent or with minimal color change. Some fabric glues offer a choice of colors, allowing you to select one that blends seamlessly with your fabric.Water Resistance:Determine whether your fabric project will be exposed to water or moisture. If so, choose a fabric glue labeled as water-resistant or waterproof. Keep in mind that some fabric glues may offer limited water resistance, while others provide a high degree of protection against moisture.Heat Resistance:Consider whether your fabric project will be exposed to heat or hot conditions. If heat resistance is important, select a fabric glue designed to withstand high temperatures. Pay attention to the adhesive&#39;s heat resistance rating, which can vary among products.Open Time:Open time refers to the period during which the adhesive remains workable after application. Longer open times can be advantageous for complex or large projects, as they allow more time for positioning and adjusting fabric pieces. Check the product label or description for information on open time. Some fabric glues may offer extended open times, while others set quickly.Setting Time: Setting time refers to the time it takes for the adhesive to fully cure and create a strong bond. Faster setting times can be beneficial for projects that require a quick turnaround. Review the product information to determine the expected setting time. Some fabric glues may dry within minutes, while others may require several hours or more to fully set. Tex Year Cloth Glue RecommendationsPUR / Polyurethane Based Hot-Melt Adhesives: Functional Clothing Laminating AdhesivesR6920H: Fabric + Fabric <General> Ideal for lamination of water repellence and normal materials.R6935: Fabric + Film <High Water Repellence> Ideal for material with level 4 water repellence or above and for difficult-to-bond substrates, such as, nylon, taffeta, and Taslon.R6940: Fabric + Film <General-Soft> Ideal for material with level 4 water repellence or above and for difficult-to-bond substrates, such as, nylon, taffeta, and Taslon.R6942: Fabric + Film <Flame Retardant> Characterized by high flame retardant, which doesn’t allow PUR films after curing to be flamed by fire. Ideal for lamination of water repellence material to flame retardant material.CONTACT US if you need further assistance. Our professional team of technical solution will be your strongest back up.