Ood leads to less casting defects & good dimension. 10. Silane addition during sand mixing not requried Furan resin 0.8%-1.5% of sand weight Hardener (i.E. Catalyst) 30%-70% of resin weight Packed in 230 kg, 240 kg plastic drum or iron drum , packed in 1000 kg ibc plastic tank , packed in iso-tank of 21 metrict tons net each, or as per customers¡¡¥ request.