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Industries that use industrial polyurethane adhesive and its benefits

An industrial polyurethane adhesive is mainly used in the automotive industry but also for other industrial applications. It is primarily used for repair or maintenance work. These polyurethane adhesives are perfect for bonding surfaces like ceramics, rubber, glass, metal, plastics and wood. This adhesive is applicable in industries like automobile, marine, optical bonding applications and aerospace industry. It offers an optical clarity and therefore it is perfect for glass bonding.

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The benefits of industrial polyurethane adhesives are:

  • It cures very fast, in less than a minute
  • Provides an excellent strength
  • Great chemical resistance
  • Can be applied manually or by using equipment which is specially designed for these adhesives
  • Huge impact resistance
  • Excellent UV resistance
Industrial polyurethane adhesive

How to bond to polypropylene and to polyethylene

Polypropylene plastic is a low-cost substrate that is used by many goods manufacturers. An advantage of polypropylene is that is can easily be combined with other polymers like polyethylene. Goods manufacturers use welding techniques to bond to polypropylene, or they use a polyester liner. However, these techniques are not always the best if parts are differently shaped. Polypropylene and polyethylene are a challenge to the adhesive enigneer since these materials have a low surface tension. A different bonding technique should be considered then. Since polypropylene has a slippery surface, it can be difficult to find a method to make a substrate stick to polypropylene. Multifoil deals on a daily basis with bonding issues from their international customers and are challenged with different techniques. They can help you find the perfect adhesive that sticks to pp (pp = polypropylene) or one that also sticks to pe (pe = polyethylene). A polyester liner is used to achieve tensile strength. Polyethylene is a lightweight thermoplastic and bonding this material is found to be very difficult. It is mostly used as a packaging for adhesive materials since glue won’t stick to polyethylene. This material will melt at high temperatures and if you wish to bond to polyethylene, you should consider other joining methods like industrial adhesives.

Multifoil excels in finding the best solution when it comes to adhesives. They can tell you how to bond pp successfully with an industrial adhesive. If you wish to know how to bond pe, you are also at the right address. Polypropylene is because of its low density, corrosion resistance and other mechanical properties a great substitute for many materials. However, these characteristics make it hard to bond this material by using structural adhesives. Sometimes it is recommended to pre-treat the polyethylene surface before bonding. A key feature of a polyester liner is that is has a very high heat resistance. Multifoil can explain you all the requirements.

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