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Pearlstick™ 45-60/21

Technical Datasheet | Supplied by Lubrizol

Pearlstick™ 45-60/21 is an elastic, crystalline, linear and aromatic thermoplastic polyurethane elastomer (TPU) grade by Lubrizol. Does not contain talcum or any other anti-adherents. Offers extremely high crystallization rate, low thermoplasticity and good hydrolysis resistance. Provides high green strength values, easier heat activation and long & high hot-tack (tack retention). Exhibits high tenacity, stress-strain power and low melting point. Soluble in acetone, methyl ethyl ketone (MEK), cyclohexanone, dimethylformamide and tetrahydrofuran (THF). Pearlstick™ 45-60/21 is used in the production of adhesives for bonding plasticized PVC to plasticized PVC, leather, rubber, textiles, elastomeric PU or other materials of shoe industry.

Pearlstick™ 45-60/21 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Hydroxyl Content

0.1 %

Brookfield Viscosity

2000 - 2300 mPa-s

(At 20°C, RVF, 2.20 rpm solution at 15% in MEK)

MQSA Nº 40 A

Density

1.19 g/cm³

(At 20°C)

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