Furanresinsand is poor in collapsibility when it is used for al alloy casting, specially for some large, thin section castings.
呋喃树脂砂用于铝合金铸造时,特别是对于一些大型、薄壁铝合金铸件,型芯的溃散性较差。
2
The causes that residual catalysts affect the curing velocity and cured strength of used sand bonded with furanresin and reclaimed furansand were studied and discussed deeply.