供应美国杜邦 PFA 940HP
451HP:Special-purpose resin that offers the benefits of PFA 350 with the additional benefits of enhanced purity and improved thermal stability while processing. This resin has a relatively low flow rate, high flex life and enhanced resistance to environmental stress cracking. 451HP is a grade with improved surface smoothness achieved by minimizing spherulite size, and enhanced chemical permeation resistance.(专用树脂，它提供与增强的纯度和热稳定性的提高，而处理的额外好处粉煤灰350的好处。这种树脂具有相对低流量，高柔性的生命和增强耐环境应力开裂。 451HP是改进表面光洁度达到最小球晶尺寸，提高了化学渗透性能等级)
940HP:Special-purpose resin with the exceptional purity of PFA 440 HP, with improved flex life and chemical stress crack resistance.(专用树脂的煤灰440马力特殊纯度，具有完善的生活和化学应力弯曲抗裂性)
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