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SAERTEX MultiCom GmbH
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Saertex-Liner - Model Environment -GRP Pipe Liner

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The SAERTEX-LINER® ENVIRONMENT represents a significant advancement in trenchless pipeline rehabilitation technology, particularly for wastewater and stormwater systems in areas with heavy public traffic and residential zones. This liner, which is embedded with styrene-free vinyl ester resin, eliminates the odor and emissions commonly associated with styrene, ensuring a cleaner and safer installation process. Notable for its mechanical strength, it has a long-term circumferential E modulus of 9,450 N/mm² and a preliminary reduction factor of 1.37 after 2000 hours of rigorous testing, confirming its durability and reliability in varied conditions. This product also boasts the distinction of being the first of its kind to receive approval from the German Institute for Building Technology (DiBT), underscoring its compliance with stringent quality and performance standards. Designed for ease of installation, it supports higher pulling forces without overstretching, and its lightweight construction facilitates handling. Additionally, the innovative FastPlus feature reduces installation time by keeping the inner foil intact post-curing, thus simplifying the UV source introduction even in challenging environments. Overall, the SAERTEX-LINER® ENVIRONMENT combines environmental safety with superior engineering, catering to the needs of modern infrastructural rehabilitation projects.
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SAERTEX-LINER® ENVIRONMENT is the styrene-free option in our GRP pipe liner product range. With no styrene emissions, this liner is ideal for the trenchless rehabilitation of wastewater and stormwater pipes in high traffic public spaces and residential areas. It is available in two design options:

  • Type S+: strong mechanical properties for numerous applications
  • Type S+ XR: suitable for pressure lines up to 33 bar
 

No styrene odor

SAERTEX-LINER® ENVIRONMENT is impregnated with styrene-free vinyl ester resin, making it ideal for UV-CIPP rehabilitation work performed in high-traffic areas and other public spaces.

 

Impressive mechanical properties 

This styrene-free liner offers impressive mechanical properties that make it suitable for many applications, such as a long-term circumferential E modulus of 9,450 N/mm² and an excellent preliminary reduction factor of 1.37 after 2000 hours of testing.

 

DiBT approved

SAERTEX-LINER® ENVIRONMENT is the first fiberglass-reinforced pipe liner impregnated with styrene-free VE resin on the market approved by the German Institute for Building Technology (DiBT).

 

Installation-friendly construction

The construction of SAERTEX-LINER® ENVIRONMENT allows higher pulling forces and    prevents the liner from overstretching. Its low weight makes for easier handling, and the lower wall thicknesses shorten curing times. The “FastPlus” option saves even more installation time because the inner foil stays in place after curing.

SAERTEX-LINER® ENVIRONMENT still retained excellent mechanical characteristics after 2000 hours of testing, meeting the requirements of a wide range of typical rehabilitation projects (as of 4/2021). Contact us for the current status of the 10,000 hour test.