The casting process
Hisago SG Coated Sand is a new coated sand product that has excellent anti-odor characteristics among its environmental resistance qualities, yet it offers the same productivity as traditional products, with excellent casting characteristics that include improvements to peel-back resistance, internal hardness, sand discharge qualities, and filling ability, as well as fewer gas defects, better casting surfaces, and fewer casting defects.
Anti-odor and anti-smoke qualities
Hisago Coated Sand reduces irritating odors and fuming during casting and pouring.
| SGRCS | traditional products | reduction rate | |
| ammonia | 733 | 2020 | 60% |
| formaldehyde | 0.3 | 3.7 | 90% |
Good hollowness, sand discharge qualities, and internal hardness
Casting defect improvement examples
★Casting surface improvement ～SG Coated Sand offers good casting surfaces thanks to its mold filling ability.
| SG Coated Sand | traditional products |
 |  |
SG Coated Sand is effective at reducing pinholes and other gas porosity defects by minimizing the initial outgassing volume.
＜Product examples＞
| Product name | SG28 | SG25 | SG64 |
| Resin volume | 2.8 | 2.5 | 2.2 |
| Strength Mpa | 7.0-9.0 | 6.5-8.5 | 6.0-8.0 |
| Mold | Stack | Stack | Non-hollow core |
| Material | Cast iron | Cast iron | Cast iron |
| Application | Production parts | Automobile parts | Automobile parts |
| Gas defect reduction | 90% reduction | Improved yields | 60% reduction |
■■ About SG Coated Sand ■■