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呋喃树脂在刹车片的应用

发布时间:2019年11月08日  来源:河北石家庄通硕铸造材料有限公司

     关键技术指标对铸件的影响: 呋喃树脂中对铸件影响较大的指标有:氮量、粘度、水分。氮量会增加型砂的发气量,特别是 铸钢件,氮气更容易造成皮下气孔等缺陷;粘度主要影响树脂的混砂均匀性,特别是在冬季砂 温低的情况下,流动性差易产生混砂不均匀现象,给铸件局部造成缺陷;水分过高会造成型砂 固化慢,硬透性差、强度低、外皮硬内部软,造成想模塌箱,且水分在温度大时,易留在型砂 里,造成硬度低、发气量大。下面说一说呋喃树脂在刹车片的应用。

     1.FEIJICHACHEFU

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     2.QICHECHACHEPIAN

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     石家庄通硕铸造材料有限公司主要生产铸造型、自硬型、冷芯盒型、环保型呋喃树脂、防腐用呋喃树脂、覆膜沙用酚醛树脂,以及配套的磺酸固化剂等铸造用各种涂料20余个品种,广泛用于大型铸造、普通铸造,钢、铁、铝、铜等金属铸造业。欢迎新老客户来电咨询,我们将竭尽为您服务! 文章内容来源于网络,如有问题,请与我们联络!呋喃树脂生产厂家互联网赚钱软件排行榜联系电话:13081094518