Resol phenolic resin is one of important resin adhesives in foundry industry. 熱固性酚醛樹脂是樹脂砂鑄造生產中重要的樹脂粘結劑之一。
By through examining and testing of properties, a sort of coating mixture ratio suit to foundry production was found. 選擇了合適的厚材料配比試驗,並通過性能檢測,找出了一種適於鑄造生產使用的塗料配比。