ROYALTUF™ 498 is a maleic anhydride–grafted EPDM used for increasing the low-temperature impact resistance of polyamides. It is ideal for recycled polyamide compounds.
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ROYALTUF™ 498 is a maleic anhydride–grafted EPDM impact modifier for polyamides. It imparts "super tough" properties to nylon when used at a 20% load rate. As a result of having an amorphous backbone, ROYALTUF™ 498 improves impact resistance when used at temperatures as low as −46°C.
Form: Rubbery pellet
Color: Off-white
CAS number: 25038-36-2
EPDM backbone: Amorphous elastomer
Mooney viscosity @ 125°C: 30
Maleic anhydride content: 0.8%–1.2%
Density @ 23°C: 0.87 g/cm³
Bulk density @ 23°C: 0.6 g/cm³
Glass transition temperature: −46°C
Primary Chemistry: Maleic anhydride–modified EPDM terpolymer
Poor strength or impact resistance of nylons or polyamide compounds at low or subzero temperatures Difficulties achieving the desired toughness of nylon compounds for use in low-temperature applications
Automotive Building and construction Consumer Electronics
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