... core basket 取心爪 core binder pitch 型心粘结沥青 core bit wing 刮刀取心钻头的刀翼 ...
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The raw material undergo chemical treatment and dilution for the modified tall oil pitch binding material to be obtained. and its dilute solution is used as a core binder for foundry use.
以浮油沥青为原材料，经化工处理、稀释后成为改性浮油粘结剂。可以作为铸造用型、芯砂的粘结剂。
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