Mapei
MAPEFLEX E-PU 21 SL
About this itemMAPEI CERTIFIED
- Chemical Resistance: Resistant to water, fresh and seawater, diesel fuel, engine oil, and certain chemicals like caustic soda and ethanol. Not suitable for prolonged contact with petrol, avgas, or certain aggressive chemicals like xylene and MEK. TWO-COMPONENT SEALANT
- Application Temperature: Can be applied in temperatures ranging from +5°C to +40°C. HIGH MECHANICAL AND CHEMICAL RESISTANCE
- Curing Time: Initial setting time is approximately 8 hours, light foot traffic is possible after 24 hours, and full hardening occurs in 7 days. EPOXY-POLYURETHANE BASED
- Maximum Movement Allowed: The sealant can withstand a maximum working elongation of 10%. MAPEI CERTIFIED
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Uses & Advantages
Primary Uses
- Sealing horizontal joints in interior and exterior applications
- Sealing expansion and contraction joints in commercial, residential, and industrial floors
- Sealing joints in ceramic, rubber, and PVC floors subject to heavy traffic
- Elastic sealing of pipe-work systems, drainage systems, and manholes
Key Advantages
- High resistance to abrasion and mechanical stress
- Good chemical resistance to slightly acidic or basic substances
- Flexible and durable elastomer with high modulus of elasticity
- Can be painted over with suitable elastomeric paints after full polymerization
FEATURES & BENEFITS
Chemical Resistance
Resistant to water, fresh and seawater, diesel fuel, engine oil, and certain chemicals like caustic soda and ethanol. Not suitable for prolonged contact with petrol, avgas, or certain aggressive chemicals like xylene and MEK.
Application Temperature
Can be applied in temperatures ranging from +5°C to +40°C.
Curing Time
Initial setting time is approximately 8 hours, light foot traffic is possible after 24 hours, and full hardening occurs in 7 days.
Maximum Movement Allowed
The sealant can withstand a maximum working elongation of 10%.
Shore A Hardness
Achieves a Shore A hardness of 60 after full curing.
Key Specifications
DOWNLOADS & DATA SHEETS
Key Performance Benefits
Chemical Resistance
Resistant to water, fresh and seawater, diesel fuel, engine oil, and certain chemicals like caustic soda and ethanol. Not suitable for prolonged contact with petrol, avgas, or certain aggressive chemicals like xylene and MEK.
Application Temperature
Can be applied in temperatures ranging from +5°C to +40°C.
Curing Time
Initial setting time is approximately 8 hours, light foot traffic is possible after 24 hours, and full hardening occurs in 7 days.
Maximum Movement Allowed
The sealant can withstand a maximum working elongation of 10%.
Shore A Hardness
Achieves a Shore A hardness of 60 after full curing.
Storage & Handling Guidelines
- Store in a dry place at temperatures between +10°C and +35°C.
- Stable for up to 2 years if stored under recommended conditions.
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