Resol phenolic resin is one of important resin adhesives in foundry industry. 热固性酚醛树脂是树脂砂铸造生产中重要的树脂粘结剂之一。
By through examining and testing of properties, a sort of coating mixture ratio suit to foundry production was found. 选择了合适的厚材料配比试验,并通过性能检测,找出了一种适于铸造生产使用的涂料配比。