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Product Line
VR

PU Glue Production Line Turnkey Project | JCT Machinery

Raw Materials of PU Glue
  • 1. Prepolymer (HDI / TDI + PPEG)

  • Main film former, provides bonding strength.

  • 2. Filler (such as calcium carbonate, talc)

  • Reduce cost, increase volume.

  • 3. Inhibitor (such as BHT)

  • Prevent cross-linking reaction during storage.

  • 4. Stabilizer (UV absorber)

  • Improve weather resistance.

  • 5. Plasticizer (such as DOP)

  • Increase flexibility, adjust viscosity.

  • 6. Additive (thixotropic agent, defoamer)

  • Improve fluidity or defoaming.

  • 7. Moisture control agent (such as molecular sieve)

  • Absorb moisture and extend shelf life.

PU Glue Production Process

PU glue production line process



Recommendations for PU Glue Production Line Key Equipment Selection

EquipmentRecommended typeRemarks
ReactorJacket reactor (with stirring, vacuum, temperature control)Material must be corrosion-resistant (such as SS304/316)
Mixer
Double planetary mixer / triple shaft mixerSelect power according to viscosity
Degassing equipment
Vacuum system / centrifugal degassing machineHigh viscosity glue requires strong degassing
Filling machine
Fully automatic metering filling machineAnti-curing deisgn (such as heating pipeline)


polyurethane glue production line

Environmental Protection and Safety Requirements
1. VOC treatment: Equipped with condensation recovery or activated carbon adsorption device.
2. Eplosion-proof measures: The solvent area needs explosion-proof electrical and electrostatic grounding.
3. Wastewater treatment: Reaction by-products (such as amines) need to be neutralized.

Common Problems and Solutions
1. There are many bubbles in PU glue: Check the vacuum degassing parameters or the moisture content of the raw materials.
2. Unstable curing speed: Adjust the catalyst ratio or the ambient temperature and humidity.
3.Short storage period: Optimize the sealed packaging or add stabilizers.

PU glue production line


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