PU 100

PU 100 is a highly deformable, high modulus of elasticity, thixotropic sealant particularly resistant to chemicals and to a wide range of aggressive liquids in compliance with EN 14187-4, EN 14187-6 standards and ISO 2812-1.

Product Description

PU 100 sets progressively by reacting with the water vapour in the air or in the pores in the substrate to form elastic, deformable rubber that adheres to the substrate. Once set, it compensates for compressive, tensile and torsional movements in joints while guaranteeing high resistance to punching and surface friction. PU 100 is resistant to dry service temperatures of -30°C to +80°C.

Field of Application

· Production plants.

· Bottling plants and areas where liquids are handled, including moderately aggressive liquids.

· Storage warehouses.

· Safety tanks for industrial storage tanks.

· Water treatment plants.

· Food industries.

· Pharmaceutical industries.

· Operating theatres.

· Cleanrooms.

· Sealing expansion and contraction joints on vertical and horizontal surfaces that come into accidental or prolonged contact with aggressive chemical liquids, including in those areas subject to the passage of light vehicles.

· Sealing joints in sterile chambers in which an atmosphere with a low level of air pollution particles needs to be created and maintained.

Product Details

Product identity

Consistency: thixotropic paste
Color: grey
Density (kg/m³): 1450
Viscosity (mPa.s): 1,000,000
Dry solids content (%): 100


PU 100 is supplied in:
– 600ml cartridge


The consumption of PU 100 depends on the application. Typical consumption is between 120 and 150 ml/mL.

Application Procedure

Preparation of substrate

Surfaces to be sealed must be dry, de-greased, solid and free of dust, loose parts, oil, grease, wax, old paintwork and rust on metal surfaces. We recommend applying masking tape along the edges of the joint in order to avoid the sealant seeping out of the joint and to get a more attractive finish.

Preparing the product

Ready to be used.

Applying the product

Insert the cartridge in an extrusion gun, cut off the tip of the cartridge, screw on the extrusion nozzle, trim the nozzle at an angle of 45° and according to the extruded width required and squeeze out the product in a continuous flow into the joint while trying to avoid air entering the joint. Immediately after applying the sealant, smooth over the surface before it hardens with a spatula wetted with soap and water. Remove the masking tape immediately after smoothing over the sealant