1-C PUR 

adhesive-applying technology

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Gluestream equipment. 1-С pur glue-applying head

One-component or mono-component moisture-curing polyurethane adhesive typically consists of urethane pre-polymers. It requires moisture to trigger the curing reaction, linking with moisture from the air and the substrate.

The bonding is extremely strong, temperature-resistant, and water-resistant.

That provides the use of a mono-component PUR in various sandwich panel productions and all types of timber lamination.

The perfect properties of one-component PUR allow us to create automatic technological processes. 1-C PUR can be modified according to the glued materials; it may have a hard or a soft adhesive layer and be reinforced with additives. The glue viscosity can also be modified to work with different materials. 

When the glue is chosen and tested on the exact materials, we use two main parameters to create a technological process - OJT (open join time) and PT (pressing time).

OJT is the time between applying the glue and pressing - the panels' assembling time.

PT is the time for pressing the panels in the press.

There are two technological processes: cold curing and hot curing. The technology chosen depends on many factors, including materials, type of panels, production capacity, level of automation, and the size of the manufacturing area. 

Our engineers will help you create your process and choose the optimal machinery kit.

There are strict rules for machinery design. 

As the adhesive is moisture reactive, glue-applying machinery must be fully hermetic to prevent the glue's reaction inside the system. Our equipment has a water spraying system to create a water mist and to start a glue reaction.

Gluestream machinery is designed to use PUR adhesive in various viscosities and densities.

Our pumps provide high accuracy in glue dosing despite the difference in the adhesive viscosity, allowing them to work in a wide temperature range. The pumps are service-free and have been tested for a long time, working in hundreds of our machinery.

Also, the main advantage of our 1-C PUR adhesive-applying machinery is that it does not need to be cleaned daily.

The glue nozzles are closed automatically with a shutter tray filled with a plasticizer.

Polyurethane adhesive is solvent-free, making it environment-friendly and safe for the workers.

Gluestream equipment. PUR adhesive

The main business fields of using our 1-component PUR applying machinery are the manufacturing of:

  1. SIP panels;
  2. GFK and PVC sandwich panels;
  3. metal doors and wooden doors and windows;
  4. construction wooden elements, KVH timbers, BSH timbers, and OSB i-beams;
  5. CLT panels;
  6. multilayer wooden parquet;
  7. refrigerated panels;
  8. clean room panels;
  9. truck body and caravan panels;
  10. steel wall and roof panels;
  11. Cleaning sponge manufacturing.
  12. 1-C PUR adhesive-applying technology gives us big opportunities to expand your business and make it more automatic.

Equipment for applying 1-C PUR adhesive

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