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Isoplast® 2531

Technical Datasheet | Supplied by Lubrizol

Isoplast® 2531 by Lubrizol is an engineering thermoplastic polyurethane(TPU) resin. It combines the toughness and dimensional stability of amorphous resins with the chemical resistance of crystalline materials. Exhibits high tensile strength and impact resistance. It may be used to replace polycarbonate where stress cracking or coloring is difficult. Suitable for injection molding and extrusion process. Recommended for medical applications. Isoplast® 2531 complies with US Pharmacopoeia XXII Class VI guidelines.

Isoplast® 2531 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Linear Mold Shrinkage

0.4 - 0.6 %

ASTM D955

Density

1.20 g/cm³

ASTM D792

Water Absorption

0.19 %

(At 23°C, 24 hr)

ASTM D570

Extrusion/Injection Molding Properties

Value & Unit

Test Condition

Test Method

Drying Temperature

95 - 110 °C

Melt Temperature

230 - 250 °C

Mold Temperature

65 - 95 °C

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Isoplast® 2531

Isoplast® 2531 Properties

Physical Properties

Isoplast® 2531 Processing Guidelines

Extrusion/Injection Molding Properties