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Lubrizol Advanced Materials Pearlstick® D40-70/33 Linear Thermoplastic Polyurethane

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® D40-70/33 Linear Thermoplastic Polyurethane.pdf
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Material Notes:
Pearlstick D40-70/33 is an elastic, linear, aromatic polyurethane, supplied in form of white spherical granules with an extremely high crystallization rate and a very low thermoplasticity level. Solubility: Pearlstick D40-70/33 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 D40-70/33 gives transparent solutions. It they should be dissolved in closed tanks and the use of high shear equipments is advisable. The final viscosity fies can vary, depending on the stirring process and on the solvent/diluents ratios.Applications: Pearlstick D40-70/33 is used for the production of adhesives for bonding plasticized PVC to plasticized PVC or other materials such as leather, textiles, rubber, in the shoe industry.Information provided by Merquinsa
Physical Properties Metric English Comments
Density 1.18 g/cc
0.0426 lb/in³
ISO 2781
Brookfield Viscosity 2900 - 3700 cP
2900 - 3700 cP
Brookfield RVF sp 5, 20 rpm, Solution 15% MEK (MQSA Nº 55 A); MQSA 40A
Processing Properties Metric English Comments
Processing Temperature 60.0 °C
140 °F
EN-12961
Descriptive Properties Value Comments
Color White
Crystallization Rate Extremely High
Heat Resistance Excellent
MQSA 11F
Hydroxyl Number 0.001
MQSA 47A
Thermoplasticity Level Very Low
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