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BAYDUR® PUL 4501

Technical Datasheet | Supplied by Covestro

BAYDUR® PUL 4501 by Covestro is a two-component (modified diphenylmethane diisocyanate (MDI) and polyether polyol) liquid polyurethane grade. Offers superior elongation to failure, shear strength and impact resistance. BAYDUR® PUL 4501 is suitable for processing by pultrusion. It is used in composite manufacturing.

BAYDUR® PUL 4501 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Ash Glass Content

80 %

(Roving)

Sample Thickness

0.1 in.

(Roving)

Viscosity

60 cps

(Isocyanate Component, 25°C)

Pultrusion Properties

Value & Unit

Test Condition

Test Method

Mixing Ratio, Isocyanate/Polyol

112/100 (Component B + 5% IMR agent) by weight

Mixing Ratio, Isocyanate/Polyol

100/100 (Component B + 5% IMR agent) by volume

Entry Die Temperature Zone

120 °C

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BAYDUR® PUL 4501

BAYDUR® PUL 4501 Properties

Physical Properties

BAYDUR® PUL 4501 Processing Guidelines

Pultrusion Properties