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Master Bond adhesives
Lubrizol Advanced Materials Pearlstick® 45-40/27 Polycaprolactone based TPU
Categories: Polymer; Thermoplastic; Polyurethane, TP

Material Notes: Pearlstick® 45-40/27 is an elastic, linear, aromatic polyurethane, supplied in form of white spherical granules with a very high crystallization rate and a medium thermoplasticity level.

Solubility: Pearlstick® 45-40/27 is soluble in Acetone, Methyl Ethyl Ketone (MEK), Cyclohexanone, Dimethyl formamide, (DMF), Tetrahydrofurane (THF). Diluting solvents such as Toluene and Ethyl Acetate can be added. The solvents and diluents should be water-free (max. 0.1%), so as to avoid subsequent side reactions during crosslinking with isocyanate. Pearlstick® 45-40/27 should be dissolved in closed tanks and the use of a variable speed agitator is advisable. The final viscosity figures can vary, depending on the stirring process and on the solvent/diluents ratios.

Applications:Pearlstick® 45-40/27 is used for the production of adhesives for bonding plasticized PVC to plasticized PVC or other materials such as leather, textiles, etc. Pearlstick® 45-40/27 has good resistance to temperature, although the addition of a polyfunctional isocyanate improves the heat-resistance still further.

Information provided by Merquinsa

Vendors:
Available Properties
  • Density, ISO 2781
  • Brookfield Viscosity, MQSA 40A, Brookfield RVF sp 5, 20 rpm, Solution 15% MEK (MQSA Nº 55 A)
  • Processing Temperature, EN 12961, Min. Activation Temp
  
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Manufacturer Notes:
Merquinsa

Category Notes
Plastic

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