| Type | SIIC-1 | SIIC-2 | SIIC-3 | SIIC-4 | SIIC-5 |
| Raw material | Normal fiber+ normal scrim (international type) | 2D fiber + high strength and low elongation scrim | 1D or finer fiber + normal scrim | International felt + PTFE coating | Fine fiber + high tensile scrim + PTFE coating |
| Characteristics | Meet for ordinary conditions | More intensity tensile and lower elongation rate | Improved filtration precision | Improved chemistry resistance& anti-acid | Good filtration precision, tensile and chemistry resistance |
| Contrast price | 1 | 1.1~1.2 | 1.1~1.2 | 1.1~1.2 | 1.2~1.3 |