301 REQUIREMENTS OF EN 13813 STANDARD FOR CEMENT SCREEDS Mortar type Technical specifications Test method Minimum requirement C20 Compressive strength after 28 days of curing EN 13892-2 ≥ 20 Ν/mm² C30 ≥ 30 Ν/mm² F4 Flexural strength after 28 days of curing EN 13892-2 ≥ 4 Ν/mm² F5 ≥ 5 Ν/mm² Classification Α1fl: Non-flammable REQUIREMENTS OF EN 13888 STANDARD FOR TILE GROUTS Technical specifications Test method Grout type / Requirement CG1: Normal cementitious grout CG2: Improved cementitious grout RG: Epoxy grout Abrasion resistance ΕΝ 12808-2 ≤ 2000 mm3 ≤ 1000 mm3 ≤ 250 mm3 Strength after 28 days in: • compression ΕΝ 12808-3 ≥ 15.0 Ν/mm² ≥ 45 Ν/mm² • flexion ≥ 3.5 Ν/mm² ≥ 30 Ν/mm² Strength after 25 freeze - thaw cycles in: • compression ΕΝ 12808-3 ≥ 15.0 Ν/mm² - • flexion ≥ 3.5 Ν/mm² - Shrinkage ΕΝ 12808-4 ≤ 3 mm/m ≤ 1.5 mm/m Water absorption after: • 30 min ΕΝ 12808-5 ≤ 5gr ≤ 2gr - • 240 min ≤ 10gr ≤ 5gr ≤ 0.1gr REQUIREMENTS OF ΕΝ 998-1 STANDARD FOR RENDERS AND PLASTERS Render/plaster type Technical specifications Test method Requirement CSI Compressive strength after 28 days of curing* EN 1015-11 0.4 - 2.5 Ν/mm² CSII 1.5 - 5.0 Ν/mm² CSIII 3.5 - 7.5 Ν/mm² CSIV ≥ 6.0 Ν/mm² Wc0 Capillary water absorption (c) ΕΝ 1015-18 Not specified Wc1 c ≤ 0.40 kg/m².min0.5 Wc2 c ≤ 0.20 kg/m².min0.5 T1 Coefficient of thermal conductivity (λ) ΕΝ 1745 λ ≤ 0.10 W/mK T2 λ ≤ 0.20 W/mK REQUIREMENTS OF ΕΝ 998-2 STANDARD FOR MASONRY MORTARS Mortar type Technical specifications Test method Minimum requirement Μ10 Compressive strength after 28 days of curing* EN 1015-11 ≥ 10 Ν/mm² Μ15 ≥ 15 Ν/mm² Μ20 ≥ 20 Ν/mm² * Measurement conditions: Environment temperature 20±2°C, Relative humidity: 65±5%, Classification A1/Α1fl: Non-flammable
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