The material selection platform
Adhesives Ingredients
The material selection platform
Adhesives Ingredients
by SpecialChem
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Pearlstick™ 45-90/12

Technical Datasheet | Supplied by Lubrizol
Pearlstick™ 45-90/12 by Lubrizol is an elastic, linear, aromatic polyurethane with a small amount of anti-adherent in the formulation. It is used for the production of adhesives for different kinds of materials such as leather, textiles, rubber and a variety of plastics (plasticized PVC, PU elastomers, etc.). It has a low crystallization rate and a low thermoplasticity level and exhibits good hydrolysis resistance. Pearlstick™ 45-90/12 allows the production of adhesives with a very long open-time, which can be used as one- or two-component adhesives. The addition of a polyfunctional isocyanate to improves the heat-resistance and the strength of the joints. Its addition to other different types of Pearlstick™ increases their open-times.
Product Type
  • Polyurethanes > Thermoplastics (TPUs)
  • Linear TPU
Chemical Composition
Linear, aromatic polyurethane
Physical Form
Granules, spherical
Product Status
Applications/ Recommended for
  • Adhesives
  • Footwear & leather > Leather
  • Industrial Assembly > Apparel / Textile (clothing)

Pearlstick™ 45-90/12 Properties


Value & Unit
Test Condition
Test Method
Viscosity @ 20ºC (Brookfield RVF sp 3, 20 rpm., Solution 15% MEK), MQSA 40A
1000 - 1400 mPa.s
Minimum activation temperature, EN-12961
40 °C
Density @ 20°C, ISO 2781
1.19 g/cm3

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