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The main components and accessories of the aluminum-magnesium roofing system have been specially designed to meet the requirements of architects and designers with unique vision.The main components and a wide range of accessories that perfectly match the system give full play to the infinite design potential of the aluminum magnesium manganese roofing system.

The main components and accessories of the aluminum-magnesium roofing system have been specially designed to meet the requirements of architects and designers with unique vision. The main components and a wide range of accessories that perfectly match the system give full play to the infinite design potential of the aluminum magnesium manganese roofing system.

• Waterproof steam permeable film, steam insulation film technical indicators:

type project		Waterproof vapour permeable film			Vapour membrane
type project		standard	enhanced	reflective	Vapour membrane
thickness （mm）		0.17	0.49	0.18	0.25
density （g/㎡）		61	145	64	108
Permeability of water vapor （g/㎡·24h ）≥ （In addition to steam insulation layer ）		1000	500	200	≤15
watertightness （mm·2h ）≥		1000	1500	1000	500
tensile strength （N/50 ）≥	endlong	260	315	215	150
tensile strength （N/50 ）≥	across	270	270	180	140
elongation at break （%）≥	endlong	12	11	7	31
elongation at break （%）≥	across	12	17	11	30
tear strength （N ）≥	endlong	40	120	40	210
tear strength （N ）≥	across	38	130	38	210

• Moisture proof and steam insulation layer: The steam insulation film is used for the inner surface of the wall or roof insulation layer. It is not permeable to steam and can prevent indoor steam from permeating into the envelope structure, so as to effectively ensure the thermal insulation performance of the thermal insulation material and the durability of the structure.

• heat preservation and insulation layer

category	The main raw material	The density of （kg/m³）	Density values Allowable deviation %	Coefficient of thermal conductivity (Average temperature 70+5°C） [w/(m∙k)]-2	combustion performance	Thermal load shrinkage temperature
Fiberglass cotton felt	principal raw material	12-16	+20 -10	≤0.058	non-ignitable	≥250
		20		≤0.053		≥300-350
		24-40		≤0.048		≥300-350
rock wool board	basalt	61-200	±15	≤0.044	non-ignitable	≥600

• Sound-absorbing function of glaze felt (without veneer)

unit weight Kg/m³	average thickness mm	Test the setup method	The octave center frequency
unit weight Kg/m³	average thickness mm	Test the setup method	250	500	1000	2000	NRC
16	50	A	0.77	1.13	1.09	1.04	1.00
16	75	A	1.17	1.26	1.09	1.03	1.15
16	100	A	1.29	1.22	1.06	1.00	1.15

NRC -- Noise Reduction Coefficient Test Setting Method A: Thermal insulation material is bonded to A hard surface such as A brick wall.

The attachment system

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