Panel Thickness	Standard	Unit	2mm	3mm	4mm	6mm
Thickness of Aluminium	DIN 1784	mm	0.3	0.3	0.3	0.3
Aluminium thickness deviation	DIN 1784	mm	±0.02	±0.02	±0.02	±0.02
Weight		Kg/m2	2.92	3.85	4.76	6.75
Tolerance in length	DIN 16927/ISO 11833-1	mm	﹣0/﹢2	﹣0/﹢2	﹣0/﹢2	﹣0/﹢2
Tolerance in width	DIN 16927/ISO 11833-1	mm	﹣0/﹢1.0	﹣0/﹢1.0	﹣0/﹢1.0	﹣0/﹢1.0
Tolerance in thickness	DIN 16927/ISO 11833-1	mm	±0.15	±0.15	±0.15	±0.15
Horizontal flatness	DIN ISO 1101	mm	5	3	3	3
Longitudinal roughness	DIN ISO 1101	mm	6	5	5	5
Technical Properties
Section modulus W	DIN 53293	cm3/m	1.32	1.55	1.85	2.96
Rigidity(poission's ratio µ =0.3）E.J	DIN 53293	kNcm2/m	0.97	0.16	0.34	0.86
Alloy	EN 573-3	ENAW	1100
Temper of Cover Sheets	EN 515		H16/H24
Modulus of Elasticity	EN 1999 1-1	N/mm2	70000
Tensile Strength of Aluminium	EN 485-2	N/mm2	Rm≥175
0.2% Proof Stress	EN 485-2	N/mm2	Rp0.2≥120
Elongation	EN 485-2	%	A50   ≥ 3
Linear Thermal Expansion	EN 1999 1-1	mm/m℃	2.4 at 100℃ Temp difference
Core
Polyethylene, Type LDPE		g/cm3	0.92
Surface			Coil Coating
Lacquering			Fluorocarbon based（PVDF）
Thickness of coating		μm	≥25	≥25	≥25	≥25
Gloss(initial value)	ECCA T2	%	20 - 100
Pencil Hardness	ECCA T4		2H
Acoustical Properties
Sound Absorption Factor αs	ISO 354		0.05
Sound Transmission Loss   Rw	ISO 717-1	DB	23	25	26	28
Loss Factor d	EN ISO 6721		0.0062	0.0072	0.0087	0.0138
Thermal Properties
Thermal Resistance   R	DIN 52612	m2K/W	0.0036	0.0069	0.0103	0.0172
Heat Transition Coefficient U	DIN 4108	W/m2K	5.98	5.65	5.54	5.34
Temperature Range		℃	-50…+80