Perma brings one-component resin for water leaks

Perma Construction Aids Pvt Ltd introduces SPETEC PU F400 in Indian market. The product is solvent and phthalate free, water reactive, hydrophobic, cell low viscosity, shrink, flexible, one-component polyurethane injection resin designed to shut off water leaks.

Applications
• Shut off water leaks in concrete brickwork and sewers where movement and settlement may occur.
• Water cut-off of water leaks in foundation such as diaphragm walls, piling sheets and secant piles.
• Sealing water-carrying cracks and joints in tunnel segments.
• Curtain grouting behind tunnel, concrete, brickwork and sewer walls.
• Injection of water cut-off membranes and liners in tunnels.

Advantages
• One component.
• Different reaction times are possible by adjusting the percentage of F400 ACC.
• The closed-cell structure of cured polyurethane ensures permanent flexible sealing of cracks and joints.
• Cured polyurethane is flexible, shrink-free and exhibits good chemical resistance (contact Perma’s Technical Service for chemical resistance).
• Cured polyurethane is harmless for the environment and resistant to biological attacks.
• WQA drinking water certificate.

Procedure
• Read the technical and safety data sheets prior to commencement of the injection works.
• Vigorously shake the F400 ACC before use and pour the required quantity (2-10 per cent) into the PU F400 resin. Mix the accelerator homogeneously into the resin and protect.
• against moisture and rain to prevent premature reaction.
• Depending on the application, injection can be carried out using a hand pump, pneumatic pump or electric pump.
• Preferably use a separate pump for injection of water and PU resin.
• Prior to injection, the pump must be flushed with Spetec PU Pump
• Flush and be completely free of water to prevent pump blockage.

Packaging and storage
• PU F400 in moisture sensitive and should be stored in a dry area between 5 C and 30 C.
• Shelf life: 24 months in original packaging.
• Ones opened, containers should be used as soon as possible.
• PU F400 is packaged in 1,000 kg IBC containers, 200 kg steel drums, 20 kg and 5 kg metal cans.
• PU F400 ACC is packaged in 20 kg metal cans, 2 kg and 0.5 kg bottles.

For more details, visit permaindia.com

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