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A two-component polyurethane elastomeric sealant, specifically developed for highway construction joints and for filling / sealing anchoring heads made from pre-formed rubber, reinforced rubber and steel road joints between adjacent decks and between deck and abutments of road substructures, such as roads, railways, airports.
- Can be used as a connection sealant between prefabricated road joints and the adjacent bituminous conglomerate, creating a seal between the two elements while guaranteeing considerable surface hardness and mechanical resistance to friction
- Resistant to bad weather conditions and deformability due to compression, with good tensile and shear strength
- Can be used for surface sealing of the anchoring bolts in pre-formed rubber sections
- After mixing the two components A+B, can be added to specific mineral fillers which allow it to obtain different mechanical and deformation properties depending on the different foreseen stresses
- For professional use only
Professional use only - from the 24th August 2023, adequate training is required before industrial or professional use of this product.
Should you require training, visit - https://www.safeusediisocyanates.eu/
Professional use only - from the 24th August 2023, adequate training is required before industrial or professional use of this product.
Should you require training, visit - https://www.safeusediisocyanates.eu/
Mapeflex PU 65 is an elastomeric polyurethane based sealant. It is composed of two pre-dosed components: part A is a resin, part B is a hardener. After mixing the two components, the product becomes a cohesive pourable mixture.
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Features & Benefits
- When large voids have to be filled, Mapeflex PU 65 can be mixed with Quartz 0.5, a mixture with controlled granulometry of alluvium spherical quartz of light grey colour with maximum aggregate size of 0.5 mm, up to a maximum ratio of 1:1 by weight. The addition of an aggregate enhances the mechanical characteristics of friction resistance and the thixotropy of the product, but the sealant deformability is decreased
- Solvent free and the slight smell, that can be noticed, is only due to the resin
- Cross-links because of the reaction between resin and hardener. The substrate temperature and the environment can influence anyway the cross-linking time of the sealant: high temperatures reduce the workability time of the mixture and accelerate the setting time. Low temperatures make the reaction time longer
- The curing time of the sealant may be reduced if required by adding the specific accelerator Mapeflex PU 65 Catalyst
- After crosslinking, Mapeflex PU 65 becomes an elastomeric substance characterized by a high surface hardness which can deform under compressive, tensile and shear loads
- Suitable to support vehicular traffic, on roads, freeways and highways
- The ideal product to carry out sealing substrates subject to limited movements and heavy loads
Recommendations & Limitations
- Do not use on dusty and flaky surfaces
- Do not use on damp surfaces
- Do not use on surfaces which are contamined with oil, grease or form-release compounds, as bonding could be compromised
- Do not use on bituminous surfaces where the bleeding of oil may occur
- Do not apply Mapeflex PU 65 if temperature is lower than 0°C
- For the correct dimensions of the sealant section refer to the specifications of the manufacturer of the road joints
Application & Preparation
Please refer to the data sheets in the tab above for further information.
Data sheet
- Manufacturer
- Mapei
- For Use By
- Professional Use
- For Use On
- Steel
- For Use On
- PVC
- For Use On
- Rubber
- Single, Two or Three Pack
- Two-Pack
- Pack Size
- 10KG
- Coverage
- 1,2 kg per litre (only components A+B)
- Max. Application Temperature
- 30°C
- Min. Application Temperature
- 0°C
- Suitable For Use On
- Steel
- Suitable For Use On
- PVC
- Suitable For Use On
- Rubber
- Manufacturer
- Mapei
- Product Usage Type
- Sealant
- Product Range
- Mapeflex
- Foot Traffic
- approx. 2-3 h
- Workability Time
- approx. 15-20 mins
- Hardening
- approx. 24 h
- Colour Family
- Black
- Categorised As
- Repairs > Low Temperature Joint Fillers
- Seasonal
- Cold Weather
Questions
Question about the product
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IMPORTANT SHIPPING & DELIVERY INFORMATION
Mapei Mapeflex PU 65 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