DuPont?  Tefzel? is a modified ETFE(ethylene-tetrafluoroethylene) fluoropolymer available as pellets or as powderfor rotational molding.杜邦?Tefzel?是修改后的ETFE(乙烯  -  四氟乙烯)含氟聚合物可作為粒料或作為粉末旋轉(zhuǎn)成型。Tefzel? ETFE resin combines superiormechanical toughness with an outstanding chemical inertness that approachesthat of Teflon? fluoropolymer resins.的Tefzel?ETFE樹脂結(jié)合接近的Teflon?含氟聚合物樹脂具有突出的化學(xué)惰性,優(yōu)異的機械韌性。Tefzel? features easy processibility, a specific gravity of 1.7, andhigh-energy radiation resistance.的Tefzel?具有易加工性,比重為1.7,高能量輻射性。Mostgrades are rated for continuous exposure at 150°C (302°F), based on the 20,000-hr criterion.大多數(shù)的成績被評為連續(xù)暴露在150°C(302°F),20,000小時的標準的基礎(chǔ)上。