Covestro Desmomelt® 530 Polyurethane

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Covestro Desmomelt® 530 Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Characterization: Desmomelt® 530 is a flexible polyurethane with a high rate of crystallization and very low thermoplasticity. Extruded flat products made from this raw material (hot melt adhesive films and fleeces) are of high quality. Desmomelt® 530 has outstanding adhesion on a large number of materials. Properties / Applications Desmomelt® 530 is suitable for the manufacture of adhesive films and fleeces for bonding many different materials, e.g. leather, textiles, wood fibreboard, various plastics including polyurethane elastomers and flexible PVC. Information provided by Covestro
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Physical Properties	Original Value	Comments

Specific Gravity	1.35 g/cc	DIN 53 479
Viscosity	1000 - 1400 cP	Solution viscosity, 15 % in butanone-2 (MEK) at 23 °C Haake RV 12/20 MV-DIN, Level 64, 56 rpm alternative Brookfield LVF Spindle no. 3, 60 rpm; ISO 3219

Descriptive Properties
Content	<0.1	Hydroxyl, DIN 53 240
Crystallization	30 min	DIN 53 505
Heat resistance	75°C	ASTM D 816

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PCOVEST0679 / 202462

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