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SAERTEX-LINER® MULTI is an efficient, cost-effective solution that offers industry leading performance. Three design options make this GFR pipe liner the timesaving, flexible and sustainable choice when it comes to the trenchless rehabilitation of municipal wastewater pipes and pressure lines:
| PRODUCT APPLICATION | SAERTEX-LINER® MULTI |
| Utilization | Municipal wastewater and stormwater |
| Resin type | UP |
| Temperature and chemical resistance | + |
| Styrene-free | no |
| DESIGN | TYPE S+ | TYPE S+ XR | |
| Host pipe profile | All types | Circular | Circular |
| Application | Gravity | Pressure | Pressure |
| Operating pressure [BAR] | up to 1 | up to 33 | |
| Fully structural* | ● | ● | ● |
| Diameter [mm] | 150‒1 600 | 250‒1 200 | 250‒1 200 |
| Structural wall thickness [mm] | 3-15 | 4-12 | 4,3‒12,3 |
| Max. length [m] | up to 350 [longer on request] | ||
| FOILS | |||
| Outer foils: | |||
| – Integrated gliding foil | ● | ● | ● |
| – Resin encapsulating barrier | ● | ● | ● |
| Inner foil with barrier function: | |||
| – Standard (temporary) | ● | ||
| – FastPlus (semi-permanent)** | Optional | ||
| – Pressure (permanent) | ● | ● | |
| MECHANICAL CHARACTERISTICS | TYPE S+ and TYPE S+ XR | ||
| Short-term circumferential E modulus [N/mm²] | ≥ 20 500 | ||
| Long-term circumferential E modulus [N/mm²] | 16 000 | ||
| Short-term bending E modulus [N/mm²] | ≥ 16 800 | ||
| Short-term bending stress [N/mm²] | ≥ 270 | ||
| Long-term bending stress [N/mm²] | 210 | ||
| Reduction factor (acc. to DIN EN 761): | |||
| – 50 years [after 10,000 h] | 1,28 | ||
| – 100 years [after 20,000 h] | 1,31 | ||
