300 REQUIREMENTS OF EN 12004 STANDARD FOR TILE ADHESIVES Adhesive type C1: Normal cementitious adhesive C2: Improved cementitious adhesive Technical specifications Test method Minimum requirement Tensile adhesion strength after: • 28 days in normal conditions* ΕΝ 1348 ≥ 0.50 Ν/mm² ≥ 1.00 Ν/mm² • thermal ageing at +70° C for 14 days ≥ 0.50 Ν/mm² ≥ 1.00 Ν/mm² • water immersion for 21 days ≥ 0.50 Ν/mm² ≥ 1.00 Ν/mm² • 25 freeze-thaw cycles ≥ 0.50 Ν/mm² ≥ 1.00 Ν/mm² Open time for tile installation ΕΝ 1346 ≥ 20 min ≥ 20 min IMPROVED CHARACTERISTICS FOR TILE ADHESIVES Classification Characteristics Test method Minimum requirement Τ: Reduced slip adhesive Vertical slip ΕΝ 1308 ≤ 0.5 mm Ε: Adhesive with extended open time Open time ΕΝ 1346 ≥ 30 min F: Fast setting adhesive Tensile adhesion strength after 24 hours ΕΝ 1348 ≥ 0.50 N/mm² Open time ΕΝ 1346 ≥ 10 min Adhesive type Dispersion adhesives Reaction resin adhesives D1: Normal D2: Improved R1: Normal R2: Improved Technical specifications Test method Minimum requirement Initial shear adhesion after 28 days in normal conditions* ΕΝ 1324 ≥ 1.00 Ν/mm² ≥ 1.00 Ν/mm² ≥ 2.00 Ν/mm² ≥ 2.00 Ν/mm² Shear adhesion strength after: • thermal ageing at +70°C for 14 days D: ΕΝ 1324 R: EN 12003 ≥ 1.00 Ν/mm² ≥ 1.00 Ν/mm² • water immersion after 14 days ≥ 0.50 Ν/mm² ≥ 2.00 Ν/mm² ≥ 2.00 Ν/mm² • High temperature stress test ≥ 1.00 Ν/mm² • Thermal shocks ≥ 2.00 Ν/mm² Open time for tile installation ΕΝ 1346 ≥ 20 min ≥ 20 min ≥ 20 min ≥ 20 min REQUIREMENTS OF EN 12002 STANDARD FOR DEFORMABLE TILE ADHESIVES Adhesive type Technical specifications Test method Minimum requirement S1: Deformable Transverse deformation S after applying 3-point bending load ΕΝ 12002 2.5 mm ≤ S < 5 mm S2: Highly deformable S ≥ 5 mm * Measurement conditions: Environment temperature 23±2°C, Relative humidity: 50±5%, Air speed: ≤ 0.2 m/s Classifications A1/Α1fl: Non-flammable European Standards
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