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El Peruano Martes 13 de mayo de 2014 523110 Nº Material Densidad Ȣ (kg / m³) Coefi ciente de Transmisión Térmica o de Conductividad térmica k (W / m K) Transmitancia térmica U (W/m2 K) Calor Específi co Cp (J / kg °C) Factor de Resistencia a la difusión de vapor de agua Ȟ (adimensional) 99 Techo verde (14 cm espesor) --- 0.174 --- --- --- 100 Paja (cama de 2 cm.) --- 0.090 --- --- --- 101 Tela yute 1500 0.060 --- --- --- MATERIALES AISLANTES 102 Aire 1.2 0.026 --- 1000 --- 103 Corcho 100 - 150 0.049 --- 1560 5 104 Fibra de vidrio 200 0.040 --- 670 --- 105 Fieltro 120 0.050 --- 1300 15 106 Lana de vidrio (baja densidad) 11 - 14 0.043 --- --- --- 107 Lana de vidrio (media densidad) 19 - 30 0.037 --- --- --- 108 Lana de vidrio (alta densidad) 46 - 100 0.033 --- --- --- 109 Lana de vidrio con foil (1) --- 0.035 --- --- --- 110 Lana mineral (baja densidad) 30 - 50 0.042 --- --- --- 111 Lana mineral (media densidad) 51 - 70 0.040 --- --- --- 112 Lana mineral (alta densidad) 71 - 150 0.038 --- --- --- 113 Lana mineral (1) --- 0.037 --- --- --- 114 Poliestireno expandido (EPS) 30 0.033 --- 1700 150 115 Poliestireno extruido (XPS) 55 - 60 0.035 --- --- 100 116 Espuma elastomerica fl exible 60 - 80 0.050 --- 1500 10000 117 Espuma de polietileno con aluminio 5 mm (1) --- 0.045 --- --- --- 118 Espuma de polietileno con aluminio 10 mm (1) --- 0.035 --- --- --- VIDRIOS Vidrio crudo 119 Incoloro de 6 mm --- --- 5.700 --- --- 120 Incoloro de 8 mm --- --- 5.600 --- --- 121 Incoloro de 10 mm --- --- 5.600 --- --- Vidrio Laminado 122 Incoloros (1) 4 + 4 --- --- 5.600 --- --- 123 Incoloros 6 + 6 --- --- 5.400 --- --- 124 Incoloros 8 + 8 --- --- 5.300 --- --- Vidrio Insulado 125 Incoloros ( 4 ) 4-6-(4…..10) --- --- 3.300 --- --- 126 Incoloros ( 4 ) 4-9-(4…..10) --- --- 3.000 --- --- 127 Incoloros ( 4 ) 4-12-(4…..10) --- --- 2.800 --- --- Otros tipos de vidrio 128 Cuarzo 2200 --- 1.400 750 129 Vidrio prensado 2000 --- 1.200 750 130 Venta de vidrio doble incoloro de 3mm. --- --- 3.759 --- --- POLICARBONATOS (1) 131 Alveolar Estándar de 4 mm --- --- 3.900 --- --- 132 Alveolar Estándar de 6 mm --- --- 3.600 --- --- 133 Alveolar Estándar de 8 mm --- --- 3.300 --- --- 134 Alveolar Estándar de 10 mm --- --- 3.000 --- --- 135 Alveolar Estándar de 16 mm --- --- 2.300 --- --- 136 Control Térmico, tipo Polygal Polyshade de 6 mm --- --- 3.600 --- --- 137 Control Térmico, tipo Polygal Polyshade de 8 mm --- --- 3.300 --- --- 138 Control Térmico, tipo Polygal Polyshade de 10 mm --- --- 3.000 --- --- 139 Control Térmico, tipo Polygal Thermogal de 25 mm --- --- 1.700 --- --- 140 Control Térmico, tipo Polygal Thermogal de 32 mm --- --- 1.400 --- --- 141 Control Térmico, tipo Polygal Thermogal de 40 mm --- --- 1.100 --- --- 142 Control Térmico - Lumínico, tipo Polygal Selectogal de 10 mm --- --- 2.500 --- --- 143 Control Térmico - Lumínico, tipo Polygal Selectogal de 16 mm --- --- 2.200 --- --- 144 Decorativos, tipo Polygal Rainbow de 8 mm --- --- 3.300 --- ---