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Thermal Conductivity | ≤0.0028W/(m.K) | ||
Puncture strength | ≥18N | ||
Tensile strength | ≥80kPa | ||
Compression strength | ≥100kPa | ||
Surface water absorption | ≤100g/m2 | ||
Length | ≤0.5% | ||
Width | ≤0.5% | ||
Thickness | ≤3.0% |
Test item | Technical index | ||
Appearance | Flat surface, Barrier membrane is in good ondition | ||
Size deviation (mm) | Thickness | ±1.0 | |
Length | ±3.0 | ||
Width | ±2.0 | ||
Diagonal deviation | ±3.0 | ||
Right Angle deviation | ≤2.0(mm/m) | ||
Flat deviation | ≤1.0 | ||
Areal density(kg/m2) Thickness 10mm | ≤10.5 | ||
Tensile strength | ≥0.1 | ||
Size stability(%) 70±2℃,48h | ≤1.5 | ||
Thermal conductivity(w/m.k ) average temperature 25℃ | ≤0.0050 | ||
Heat resistance . m2 .k /w Thickness 15mm , average temperature 25℃ | ≥1.5 | ||
Compression performance(Mpa) Compressive deformation 10% | ≥0.15 |
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