| Products Name | Type | Solvents | Solid content% | NCO % | Properties | Color | 
| HARDLION EC420 | Isocyanate | EAC | 20±0.5 | 3.7±0.2 | Standard yellowing resistant hardener, with great light resistant | Colorless transparent liquid | 
| HARDLION EC635 | Isocyanate | EAC | 35±0.5 | 7.2±0.2 | Modified form yellowing resistant hardener, with great light resistant | Transparent, light yellow to light brown liquid | 
| HARDLION EFC | Isocyanate | EAC | 30±0.5 | 7.0±0.2 | Pulling, heat resistant, yellowing resistant performances are great | Transparent, light yellow to light brown liquid |