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Polyurethane (PU) Adhesive Production Line
  • Product Details

The main production steps of Polyurethane Adhesive

polyurethane adhrsive reactor            

Accurate metering and mixing of raw materials are crucial to the quality of the adhesive. Typically, raw materials are measured and pumped into a mixing vessel.

The mixing vessel combines the raw materials under controlled conditions, including temperature and pressure. This process initiates the chemical reaction that forms the polyurethane adhesive.


The mixture is transferred to the reactor kettle, where the chemical reaction continues to take place. The reaction conditions, such as temperature and dwell time, are closely monitored to achieve the desired adhesive properties.

During this phase, the polyurethane adhesive undergoes polymerization, leading to the formation of a viscous liquid.

polyurethane adhesive disperser            
polyurethane adhesive condenser            
Quality Improving

After the reaction in the reactor, the adhesive may undergo additional processing steps to optimize its properties. These may include heating or cooling to control viscosity or enhance curing.

polyurethane adhesive

Polyurethane adhesives offer a good blend of cohesive strength and flexibility which makes them very tough, durable adhesives.

Polyurethanes bond well to most unconditioned substrates but may require the use of solvent-based primers to achieve high bond strengths. They offer good toughness at low temperatures, but typically degrade in strength after long-term exposure over 302 °F (150°C). They cure to form thermoset polymers with good solvent and chemical resistance. They are extremely versatile and can range in cured form from extremely soft elastomers to rigid, extremely hard plastics, depending upon the ration of hard and soft segments in the resin.

Advantages of polyurethane adhesives:

extremely tough;

good resistance to solvents;

high cohesive strength;

good impact resistance;

good abrasion resistance.


Company Advantages

polyurethane adhesive team

Team: Focus on the chemical equipment industry for more than 12 years, with more than 10 years of experience in the technical team!

polyurethane adhesive service

Service: Pre-sale one on one consultation and understanding, centralized use of photos or videos to report production progress, after-sales, can be passed across the country, warranty for 1 year, durability for up to 10 years, and lifetime maintenance!

polyurethane adhesive quality

Quality: The equipment is made of stainless steel, the appearance is mirror polished, and the vacuum box balance structure is adopted. The vacuum degree reaches -0.096 and the sealing quality is good.

polyurethane adhesive efficiency

Efficiency: Generally, the drawings can be produced in three days and the goods can be shipped in one month.

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The first thing we do is meeting with our clients and talk through their goals on a future project.
During this meeting, feel free to communicate your ideas and ask lots of questions.
    They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
    They are now widely exporting to 200 countries.

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