高透汽性防水透汽膜

TRASPIR DOUBLE NET 270

高度透气的薄膜TRASPIR DOUBLE NET 270限制了风的无条件通过，保护结构的外部免受冬季冷风或夏季热风的进入。它的特点是双加固网，这使它具有优良的机械性能。它由一层微孔膜和带有双重加固网的聚丙烯保护层组成，设计用于屋顶的内外两侧。

TRASPIR DOUBLE NET 270，该膜具有无与伦比的机械性能，专为高山和山地环境设计

CODE	description	tape	H [m]	L [m]	A [m²]	H [ft]	L [ft]	A [sft]	pcs./pallet
T270	TRASPIR DOUBLE NET 270	-	1.5	50	75	4' 11''	164	807	16
TTT270	TRASPIR DOUBLE NET 270 TT	TT	1.5	50	75	4' 11''	164	807	16

属性	标准	数值经过测试	USC 转换
Mass per unit area	EN 1849-2	270 g/m²	0.88 oz/ft²
Thickness	EN 1849-2	1 mm	39 mil
Water vapour transmission (Sd)	EN 1931	0,035 m	99.9 PERM
Tensile strength MD/CD	EN 12311-1	650 / 800 N/50mm	74 / 91 lb/in
Elongation MD/CD	EN 12311-1	40 / 60 %	-
Resistance to nail tearing MD/CD	EN 12310-1	750 / 550 N	169 / 124 lbf
Watertightness	EN 1928	class W1	-
Thermal resistance	-	-40 / 80 °C	-40 / 176 °F
Reaction to fire	EN 13501-1	class E	-
Resistance to penetration of air	EN 12114	< 0,02 m³/(m²·h·50Pa)	< 0.001 cfm/ft² at 50Pa
Thermal conductivity (λ)	-	0,3 W/(m·K)	2.08 (BTU·in)/(h·ft²·°F)
Specific heat	-	1800 J/(kg·K)	-
Density	-	ca. 260 kg/m³	-
Water vapour resistance factor (μ)	-	ca. 40	-
Joint strength	EN 12317-2	> 550 / N/50mm	> 62.811619 / lb/in
VOC content	-	0 %	-
UV stability	EN 13859-2	3 months	-
Exposure to weather	-	4 weeks	-
Water column	ISO 811	> 500 cm	> 196.8504 in
After artificial ageing - watertightness	EN 1297 / EN 1928	class W1	-
After artificial ageing - maximum tensile force MD/CD	EN 1297 / EN 12311-1	620 / 770 N/50mm	71 / 88 lb/in
After artificial ageing - elongation	EN 1297 / EN 12311-1	35 / 55 %	-
Flexibility at low temperatures	EN 1109	-20 / °C	-4 / °F
Driving rain test	TU Berlin	passed	-