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Polyurethane(PUR) Based Adhesives

Polyurethane(PUR) Based Adhesives

What are Polyurethane (PUR) Based Hot Melt Adhesives?

PUR hot melt adhesive is a moisture reactive polyurethane hot melt adhesive, 100% solid content, isocyanate (NCO) terminated polyurethane prepolymer. Cures by reacting with moisture in the air and forms a good combination of cohesive strength and flexibility, making it a very tough, durable adhesive. PUR has high flexibility and is suitable for various climates. It has been widely used in packaging, textiles, woodworking, automobiles, electronic assembly and other fields.

Features and Advantages of Polyurethane Based Hot Melt Adhesives

  • Excellent adhesion to various materials
  • Very good low temperature and high temperature performance
  • Permanent elasticity and flexibility
  • For particularly high-strength/structural bonding
  • Resistant to many chemicals and solvents
  • Good impact resistance

Types of Polyurethane Based Hot Melt Adhesives

One(Single)-component polyurethane adhesive: It is a one-part, moisture-curing polyurethane adhesive. No need to mix with anything before use. Since the cure of one-component moisture-cure polyurethanes depends on the diffusion of moisture through the polymer, the time and depth of cure are dependent on humidity and material air permeability.

Applications of polyurethane based adhesives

Polyurethane adhesives have a wide range of applications across various industries. They are versatile and offer strong bonding capabilities. Here's an overview of the key applications of polyurethane adhesives:

Woodworking: Polyurethane Adhesive (PUR) are Ideal for bonding wood products, and used for edgebanding wood panels, laminating plywood, assembling furniture, and veneering wood surfaces. Also employed in bonding cabinetry and other wood products.

Product Assembly: Polyurethane Adhesive (PUR) are Applied in the assembly of appliances, electronics, furniture, and various car parts and interiors(including interior trim, dashboards, and airbags).

Automotive manufacturing: PUR adhesives are used in automotive manufacturing to bond a variety of materials, including plastics, metals, and fabrics. They are used to assemble interior and exterior components, such as dashboards, door panels, and headliners.

Construction: Polyurethane Adhesive (PUR) used in construction for sealing windows and doors, roofing, flooring installation, and bonding insulation and other building materials.

Packaging: Polyurethane Adhesive (PUR) used for sealing cardboard boxes and other packaging materials, as well as for bonding labels and packaging components.

Other Applications: Polyurethane Adhesive (PUR) utilized in various applications such as shoe repair, bookbinding, medical device assembly, and filter manufacturing.

Our Best Polyurethane (PUR) Hot Melt Adhesives

The following are the recommended products and their features & benefits:

Mattress Assembly PUR Adhesive, R8270S
  • High initial adhesion and good final strength: Our PUR adhesive, R8270S, offers a strong initial bond and excellent final strength, ensuring reliable and durable adhesion.
  • Good thermal viscosity stability and fast curing speed: The adhesive maintains stable viscosity even at elevated temperatures, allowing for consistent application. It also cures quickly, reducing production time.
  • Excellent weather resistance: Our PUR adhesive provides exceptional resistance to weather conditions, ensuring long-lasting performance and durability in various environmental conditions.
Functional Clothing Laminating PUR Adhesive, R6920H
  • Fabric + Fabric lamination: Our PUR adhesive, R6920H is specifically designed for laminating fabric to fabric, making it ideal for applications requiring water repellence and normal material lamination.
  • White color: The adhesive has a white appearance, providing a clean and visually appealing finish. 
Book Binding PUR Adhesive, P1327
  • Excellent flexibility: Our PUR adhesive, P1327, offers exceptional flexibility to maximize the flatness of hardcover books and keep the pages intact without falling off.
  • White color: The adhesive has a white appearance, providing a clean and visually appealing bonding effect for books.
Woodworking Surface Lamination PUR Adhesive, R5270
  • High-performance : Our R5270 adhesive is specially designed for flat lamination in woodworking. It is suitable for fiberboard, solid wood board, MDF high-gloss film, PET film, acrylic, and other materials.
  • Hgih-viscosity: It offers high initial viscosity, good final strength, long open time, excellent heating viscosity stability, and good water resistance.
  • White color: The adhesive has a white appearance, providing a clean and aesthetically pleasing laminating effect.
Electronic Assembly PUR Adhesive, R3180 series
  • Applied to 3C product assembly: Our R3180 series adhesive is specifically designed for the assembly of 3C (Computer, Communication, Consumer electronics) products. It offers rapid application on the production line, excellent resistance to high and low-temperature environmental testing, high initial adhesion, and outstanding bonding strength to plastic materials and metals.
  • Available in gray and black: The adhesive comes in two color options, gray and black, to cater to different application requirements.

Don't know which glue to use?
Texyear provides a full range of Hot Melt Adhesives and Glues, or CONTACT US if you need further assistance. Our professional team of technical solution will be your strongest back up.  

 

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