ULTEM PW2300 resin is an amorphous, opaque, 30% glass fiber reinforced polyetherimide (PEI) plastic offering a glass transition temperature (Tg) of 217°C. This inherently flame retardant resin is KTW, WRAS, ACS, NSF-61 and W270 certified and is US FDA and European Food Contact approved. ULTEM PW2300 resin offers specific colors designed and certified for use in potable water applications.