Modipur® US 583 F


Catalog excerpts

Modipur® US 583 F - 1

Modipur® US 583 F Isocyanate US 24 Core Foam System Product Data Modipur US 583 F / US 24 is a CFC-free foam system used for making low density cores. It has excellent flowing properties under suitable processing conditions. It can also be used as a core in sandwich constructions or as block foam. parts by weight parts by weight component 1 (polyol) component 2 (isocyanate) Processing data The two components can be processed on conventional high and low pressure foaming machines. To improve the flowing properties of the reacting foam-mixture and to achieve an even cellular structure of the foam, sufficient air nucleation in the raw materials, preferably by using a suitable air nucleation device, has to be ensured prior to processing. Component 1 (polyol) has to be homogenized prior to use (approx. 10 min, 1000 2000 rev./min). In the machine tank component 1 has to be homogenized continually (approx. 60 rev./min). Processing temperatures component 1 (polyol) component 2 (isocyanate) Reaction times starting time setting time density, free rise density, mould-foamed

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Modipur® US 583 F - 2

Nominal Density Compression Strength Tensile Strength Tensile Modulus Shear Strength Shear Modulus Shear Elongation Thermal Conductivity Colour Heat Distortion Test plates are cut from a sheet without a skin on both sides. These values may vary depending upon processing parameters like mix quality, mixing ratio, density and air nucleation. These characteristic data are short-term values , they are not conclusive of the behaviour of the end product. Storage If protected from moisture and kept at a temperature of 20 -24 °C in closed containers the raw materials are stable for 6 months after...

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Modipur® US 583 F - 3

Important All information is believed to be accurate but is given without acceptance of liability. All users should make their own assessment of the suitability of any product for the purposes required. All sales are made subject to our standard terms of sale which include limitations on liability and other terms. ® Copyright Hexcel Corporation E – US 583F / 24 – June 10 For More Information Hexcel is a leading worldwide supplier of composite materials to aerospace and other demanding industries. Our comprehensive product range includes: ■ Carbon Fibre ■ RTM Materials ■ Honeycomb Cores ■...

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