INJECTION RESINS AND THEIR APPLICATIONS 10 Injection systems SPESAN WL SPESAN B For the permanent sealing of moisture penetration and very slowly running water with simultaneous consolidation SPESAN WN SPESAN B For the permanent sealing of running water under pressure with simultaneous consolidation SPESAN WS SPESAN B For permanent sealing of heavy water flow under pressure with simultaneous consolidation SPESAN WV SPESAN B For the permanent sealing of very heavy water flow under pressure with simultaneous consolidation Reaction characteristics Setting time 1 hour at 20 C Low viscosity after mixing Solid hardening without water contact Foamed hardening with water contact Setting time 55 75s at 25 C Low viscosity after mixing Solid hardening without water contact Foamed hardening with water contact Setting time 38 57s at 25 C Low viscosity after mixing Solid hardening without water contact Foamed hardening with water contact Setting time 40 60s at 25 C Extreme reduction in the response time to approx 5 10s by adding SPESAN CAT High viscosity after mixing Solid hardening without water contact Solid to lightly foamed hardening with water contact Example applications Sealing and consolidation of masonry and porous concrete Injection with injection hoses Crack injection Sealing of structural joints Sealing of joint tape binding Sealing of water penetration in construction pits Sealing of leaking anchor heads Sealing of underwater concrete slabs Sealing of canals and shafts Sealing and consolidation of fixed and loose rock in tunnel construction mining and the underground pipe jacking Sealing of hydraulic structures Rapid reinforcement of fissured rock in tunnel excavation Rapid reinforcement of loose rock when there is a risk of landslides or during clean up after landslides Consolidation of foundations

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