This will cause resin dosage to increase in order to achieve the required sandstrength.
为达所需强度只得增加树脂使用量。
2
When used in the sand casting of resin, it can strengthen the adhesion, improve profile sandstrength and antiwetting property.
树脂砂铸造中,增强树脂硅砂的粘合性,提高型砂强度及抗湿性。
3
The differences of the distribution of the moulding sandstrength after compacting with pattern or not as well as resilient phenomenon and the mechanism of appearing "bridge" were analysed.