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