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Mapei Mapegel UTT System is a flexible, three-component hydrophilic gel with excellent adhesive properties for waterproofing by injection in underground structures. Specifically formulated to absorb shrinkage and expansion of cracks and voids generated by temperature variations.
Used for:
- Natural tunnels (traditional and mechanized tunnelling)
- Artificial tunnels (cut and cover)
- Underground constructions
For professional use only.
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Features & Benefits
- Uses:
- Waterproofing of loose and/or incoherent soil
- Waterproofing of hydraulic structures with water leaks through macro-porosity and micro-cracks
- Waterproofing of dam walls
- Waterproofing of bulkheads
- Waterproofing of tunnels
- Repair of waterproofing systems (damaged or defective) by injection by means of re-injectable valves or pipes (repair of synthetic membranes and waterstops)
- Hydrophilic gel based on acrylic and methacrylic monomers, consisting of 3 components:
- Component 1 = acrylic resin in acqueous solution
- Component 2 = hardener in acqueous solution
- Component 3 = powder accelerating salt
- Thanks to its low viscosity, Mapegel UTT System is able to easily penetrate micro-porosity and small cracks by sealing them perfectly
- After hardening, Mapegel UTT System has a high elasticity, watertightness and excellent chemical resistance towards the main organic and inorganic liquids
- Perfectly compatible with Mapeplan waterproofing systems
Application
- Once the reaction time has been fixed (see product data sheet), the preparation of the product must be carried out following the procedure below:
- Solution A: Pour into a clean plastic container 25 kg of component 1 and add, while mixing, the entire content of component 2 (2.5 kg)
- Solution B: In a second container, pour component 3 in water (see Tab. 1)
- N.B.: the final mixing ratio between solution A and solution B must be 1 : 1
- Do not use metal tools for preparation. In case of using a drill, it’s better to prefer plastic mixers or, if mixing should be done manually, use wooden equipment
- By increasing or reducing component 2 or component 3, reaction times can be modified. Solution A and solution B, after preparation, if kept separate, are stable for about 6-8 hours at a temperature of +20°C
- Pump the two solutions separately, in the ratio of 1 : 1 in volume, using a steel pump for two-component products equipped with a special static mixer placed just before the injection point
- The equipment used for injection (pump and pipes), must be washed with plenty of clean water before the gelling of the product
Data sheet
- Manufacturer
- Mapei
- For Use By
- Professional Use
- For Use On
- Underground structures
- Application Method
- Injection
- Single, Two or Three Pack
- Three-Pack
- Pack Size
- 25kg, 2.5kg, 1.25kg
- Coverage
- Dependent on use - see product data sheet
- Shelf Life (from date of manufacture)
- Part 1: 6 months
Part 2: 12 months
Part 3: 12 months - Application Method
- Pump
- Manufacturer
- Mapei
- Product Usage Type
- Sealant
- Product Range
- Mapegel
Questions
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IMPORTANT SHIPPING & DELIVERY INFORMATION
Mapei Mapegel UTT System is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT