? SABIC STAMAX 40YM240 40% long glass fiber polypropylene resin from SABIC Innovative Plastics Product Description:? SABIC STAMAX 40YM240 have 40% long glass fiber reinforced polypropylene. Glass fibers are chemically coupled to the PP matrix, resulting in a high stiffness and strength. IMDS is 16,497,161. Availability North American filler / reinforcing material long glass fiber, 40% filler by weight chemically coupled product features high rigidity and high intensity processing method for injection molding