T/FWHX 004-2021 High-performance fiberglass felt waterproof membrane

Scope

Main technical content: The material performance shall meet the requirements of Table 2. **Table 2: Material Performance** **Serial Number** **Item** **Standard Value** **Product** --- **1** **Soluble matter content (g/m2)** ≥3 mm2 100–4 mm2 900–5 mm2 3500 --- **2** **Heat resistance (°C)** 90 105 ≤mm2 No dripping or flowing during testing --- **3** **Low-temperature flexibility (°C)** -20 -25 No cracks --- **4** **Waterproofness** 30 min 0.2 MPa 0.3 MPa --- **5** **Tensile strength (N/50 mm)** ≥350 500 900 Peak tensile strength (N/50 mm): ≥--800 Test phenomenon: No cracking or separation of the asphalt coating layer from the base during stretching --- **6** **Elongation at second peak (%)** ≥--157 After water immersion, weight increase (%): ≤PE, S 1.0M 2.08 **7** **Heat aging tensile retention rate (%)** ≥90 Low-temperature flexibility (°C): -15 -20 No cracks --- **8** **Tensile strength after heat aging (%)** ≥80 --- **9** **Nail rod tear strength (N/mm)** ≥--300 --- **10** **Mineral aggregate adhesion (g/g)** ≤2.0 --- **11** **Bituminous coating thickness on the lower surface of the rolled material (mm)** ≥1.0 --- **12** **Seam peel strength (N/mm)** Without treatment: ≥1.5 Heat aging retention rate (%): ≥80 --- **13** **Pin pull strength (N)** ≥--300 --- **14** **Adhesion to mineral aggregates (g/g)** ≤2.0 --- **15** **Water resistance (336 h)** Tensile strength retention rate (%): ≥80 --- **16** **Salt treatment (20% NaCl solution, 23°C × 28 days)** Tensile retention rate (%): ≥90 --- **17** **Alkali treatment (saturated Ca(OH)2 solution, 23°C × 28 days)** Tensile retention rate (%): ≥90 --- **18** **Durability (80°C × 28 days)** Tensile retention rate (%): ≥80 **19** **Chloride ion penetration resistance (mg/cm2?d)** ≤--200 --- --- **Explana

Development Information

Related Standards