Mapei
PRIMER SN RASANTE
Two-component epoxy resin with high solid content for smoothing and levelling cementitious surfaces
SKU: MAPEI-PRIMER-SN-RASANTE-896
About this itemMAPEI CERTIFIED
- Adhesion Strength: 3.5 N/mm² (EN 13892-8) TWO-COMPONENT EPOXY RESIN
- Compressive Strength: 45 N/mm² (EN 196-1) HIGH SOLID CONTENT
- Shore D Hardness: 50 (DIN 53505) PROFESSIONAL USE ONLY
- Density of Mix: 1,550 kg/m³ (EN ISO 2811-1) MAPEI CERTIFIED
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Uses & Advantages
Primary Uses
- Smoothing and leveling cementitious surfaces
- Preparation of substrates for epoxy and polyurethane resin systems
- Skimming cementitious substrates in tunnels, underpasses, and underground railways
Key Advantages
- Easy to apply with a steel trowel or rake
- Excellent smoothing and pore-filling properties
- High mechanical strength and adhesion
- Can be applied on locally moderately damp surfaces
FEATURES & BENEFITS
Adhesion Strength
3.5 N/mm² (EN 13892-8)
Compressive Strength
45 N/mm² (EN 196-1)
Shore D Hardness
50 (DIN 53505)
Density of Mix
1,550 kg/m³ (EN ISO 2811-1)
Viscosity of Mix
45-50 Pa·s (#6 - 20 rpm, EN ISO 2555)
Primer SN Rasante is a high-performance, two-component, fillerized epoxy resin designed for smoothing and leveling cementitious surfaces, including vertical applications. It is ideal for preparing substrates before applying protective or decorative epoxy and polyurethane resin systems or cementitious mortars. Its thixotropic formulation ensures excellent adhesion and mechanical strength, making it suitable for demanding environments such as tunnels, underpasses, and underground railways.
Key Specifications
Mixing RatioComponent A : Component B = 80 : 20 by weight
Workability Time35 minutes at +23°C
Application TemperatureFrom +8°C to +35°C for industrial floors; minimum +5°C for tunnels
Hardening TimeStart setting: approx. 6 hours; Light foot traffic: approx. 24 hours; Complete hardening: approx. 7 days
Consumption0.40.9 kg/m² per layer depending on substrate characteristics
Shelf Life24 months in original sealed packaging
Packaging / Pack Size25 kg kit (Component A: 20 kg + Component B: 5 kg
Certified standard values under UAE climate conditions.
DOWNLOADS & DATA SHEETS
Key Performance Benefits
Adhesion Strength
3.5 N/mm² (EN 13892-8)
Compressive Strength
45 N/mm² (EN 196-1)
Shore D Hardness
50 (DIN 53505)
Density of Mix
1,550 kg/m³ (EN ISO 2811-1)
Viscosity of Mix
45-50 Pa·s (#6 - 20 rpm, EN ISO 2555)
Storage & Handling Guidelines
- Store in original unopened container in cool, dry indoor conditions.
- Keep away from direct sunlight, rain, and extreme heat.
- Shelf life is 12 months when stored properly between +5°C and +35°C.
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Genuine Mapei Product
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FREQUENTLY ASKED QUESTIONS
The consumption rate is approximately 0.4-0.9 kg/m² per layer, depending on the substrate's roughness, absorbency, and temperature.
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