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Lubrizol Advanced Materials Pearlstick® 45-40/08 Polycaprolactone based TPU

Category Polymer , Thermoplastic , Polyurethane, TP
Manufacturer Lubrizol Advanced Materials Manufacturing S. S.L. (Former Merquinsa)
Trade Name Pearlstick®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Lubrizol Advanced Materials Pearlstick® 45-40/08 Polycaprolactone based TPU.pdf
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Material Notes:
Pearlstick 45-40/08 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 45-40/08 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 45-40/08 should be dissolved in closed tanks and the use of a variable speed agitator is advisable. The final viscosity fies can vary, depending on the stirring process and on the solvent/diluents ratios. Applications: Pearlstick 45-40/08 is used for the production of adhesives for bonding plasticized PVC to plasticized PVC or other materials such as leather, textiles, etc. Pearlstick 45-40/08 enables the production of adhesives for spray application for the automotive and other industrial uses. The addition of a polyfunctional isocyanate improves the heat-resistance and the strength of the joints.Information provided by Merquinsa
Physical Properties Metric English Comments
Density 1.19 g/cc
0.0430 lb/in³
ISO 2781
Brookfield Viscosity 650 - 950 cP
650 - 950 cP
Brookfield RVF sp 2, 20 rpm, Solution 15% MEK (MQSA Nº 55 A); MQSA 40A
Processing Properties Metric English Comments
Processing Temperature 45.0 °C
113 °F
Min. Activation Temp; EN 12961
Descriptive Properties Value Comments
Crystallization Rate (MQSA n° 12 A) VERY HIGH
Hydrolysis Resistance Good
MQSA 34B
Hydroxyl Number 0.1%
MQSA 47A
Solubility - Acetone / Ethyl Acetate 30:70
Solubility - Acetone / Toluene 40:60
Solubility - MEK / Toluene 60:40
Solubility - MEK/ Ethyl Acetate 40:60
Thermoplasticity Range (MQSA n° 58) MEDIUM
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