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发明授权
CN107913979B 一种基于亲油性微米石墨的填料型熔模铸造蜡及其制备方法 有权 许可

一种基于亲油性微米石墨的填料型熔模铸造蜡及其制备方法
摘要：
本发明公开了一种基于亲油性微米石墨的填料型熔模铸造蜡及其制备方法。一种基于亲油性微米石墨的填料型熔模铸造蜡包括基本组分，所述的基本组分由以下质量百分比的原料组成：40～60％的石蜡、6～10％的松香或松香树脂、3～10％的PE蜡、25～35％的石油树脂、5‑15％的亲油性微米石墨，还包括占基本组分0～0.5wt％的颜料。同时还公开了这种基于亲油性微米石墨的填料型熔模铸造蜡的制备方法。本发明的填料型熔模铸造蜡软化点适中，针入度和线收缩率较小，抗弯强度较大，灰分小，能够很好地满足精密铸件高尺寸精度和高表面质量的要求，满足实际生产的需要。
摘要（英）：

The invention discloses a padding type investment casting wax based on lipophilic micro graphite and a preparation method of the padding type investment casting wax. The padding type investment casting wax based on the lipophilic micro graphite comprises basic components including, by mass percent, 40%-60% of paraffin, 6%-10% of rosin or rosin resin, 3%-10% of PE wax, 25%-35% of petroleum resin and 5%-15% of the lipophilic micro graphite and further comprises pigment accounting for 0wt%-0.5wt% of the basic components. The invention further discloses the preparation method of the padding type investment casting wax based on the lipophilic micro graphite. The padding type investment casting wax is moderate in softening point, relatively small in needle penetration and linear shrinkage rate,relatively large in bending strength, small in ash content and capable of meeting the requirements for high size precision and high surface quality of a precise cast well and meeting the requirement of actual production.

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