Maxelastic PUR is a polyurethane-elastomeric membrane for waterproofing surfaces. It is available as a one-component ready-to-use product. It was made on the basis of polyurethane resins, which, under the influence of moisture, form a highly flexible waterproofing layer. steel, concrete, bricks, tiles, cement-based mortars. Thanks to its flexibility in both high and low temperatures, Maxelastic allows it to absorb thermal movements of the ground under extreme weather conditions and vibrations. It withstands temperatures from -40 C to +100 C.

Technical data

• one-component homogeneous paste
• density 1.40 0.05 g / cm ³
• good chemical resistance to de-icing salts, sea water, sewage, acid and alkaline solutions
• ambient temperature at application 5-40 ° C
• ambient relative humidity when applied below 85%
• substrate temperature during application from 5 ° C
• Relative humidity of the substrate when applied up to 5%
• time between the application of subsequent layers (at 20 C) 10-12 h
• maturing time (at 20 ° C, 50% relative humidity) is 3 days
• maturing time (at 20 ° C, 50% relative humidity) in constant immersion is 7 days
• crack transmission capacity according to NFM 30/703 when matured for 7 days at 23 ° C and 50% relative humidity: 5.4 mm; when maturing for 3 days at 23 ° C and 50% relative humidity: 8.9 mm, and for 4 days at -20 ° C: 8.9 mm
• elongation at break (according to ISO 37/1994) 852%
• tensile strength (according to ISO37 / 1994) 3.1 MPa
• adhesion to concrete (in accordance with ASTM D-4541) 2.6 MPa (substrate breaking)
• water vapor permeability (according to UNE-EN 1931) 1830
• resistance to wind pressure from 50 kPa
• water absorption after 24 h / 144 h (according to UNE 53028) 1.66% / 3.31%
• meets the requirements of UNE 104309 part. 1, 2 and 3
• European Technical Approval according to ETAG 005 ETA-06/0073
• suitable for direct contact with drinking water RD 140/2003 and 2002/72 / CE
• approximate consumption per layer / total yield 0.5-0.6 / 1.0-1.2 kg / m ²
• approximate thickness per layer / total application 0.4-0.5 / 0.8-1.0 mm

Application

• waterproofing and protection of water and sewage tanks
• external waterproofing and protection of underground concrete structures
• flexible waterproofing balcony in, terrace in, roof in
• waterproofing under ceramic tiles in outdoor and indoor applications (kitchens, bathrooms)
• cover and protection of metal tank in, steel pipes, silo in
• bonding, sealing and filling hairline cracks exposed to displacement

Maxelastic PUR is easy to apply - it is applied by hand or by spraying.