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使用福士科的FEEDEX NF 1冒口套后无需在冒口处使用发热剂。
随着适用于铝合金的新型FEEDEX NF1系列发热冒口套，就无需使用发热剂来提高冒口的补缩效果。
通常在铝铸造厂中使用基于纤维或漂珠并经无机或有机树脂粘合剂粘合的保温冒口套。
当冒口套的保温性不足或冒口尺寸受限时，则可能需要粉状发热剂来避免铸件出现收缩缺陷。这些粉状发热剂与液态铝接触时会开始放热反应，并为冒口中的金属液提供能量以减缓凝固速度。
使用福士科的FEEDEX NF 1冒口套后可避免在冒口处使用发热剂。冒口套在与熔融铝液接触后的30秒钟内被点燃，稳定而持久的放热反应将显著延迟冒口中金属的凝固，从而确保了出色的补缩性能。
FEEDEX NF1 可提供:
+高发热性以改善补缩性能
+非常高的强度
+ 配合易割片使用降低清理成本
+方便快捷地敲掉冒口可降低人力和机加成本
+减少工艺变化
+降低排放
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