Table3: Optical and thermal properties of Hybrid glazing SPACIA-21

		Hybrid Glazing						IG unit(3)
Glass combination	Outer glass	LowE   (1)	LowE   (1)	LowE   (2)	LowE   (2)	LowE   (2)	LowE   (2)	LowE  (1)
	Gas space(mm)	Ar 9	Ar 12	Ar 9	Ar 12	Ar 9	Ar 12	Ar 12
	Inner glass	SPACIA  ST	SPACIA ST	SPACIA ST	SPACIA ST	SPACIA  ES	SPACIA  ES	FL3
Reflective Color		Blue	Blue	Green	Green	Green	Green	Blue
Total glass thickness (mm)		18	21	18	21	18	21	18
Visible light	Transmittance(%)	63.6	63.6	58.2	58.2	53.3	53.3	75.5
	Reflection (%)	21.7	21.7	19.0	19.0	16.8	16.8	13.3
Solar radiation	Transmittance(%)	42.7	42.7	29.7	29.7	22.8	22.8	54.7
	Reflection (%)	27.5	27.5	38.6	38.6	40.1	40.1	24.6
	Absorption (%)	29.8	29.8	31.7	31.7	37.1	37.1	20.7
UV light Transmittance(%)		15.2	15.2	7.4	7.4	2.8	2.8	22.9
Thermal insulation	(W/m2K) (kcal/m2hrC)	0.9	0.9	0.9	0.8	0.8	0.7	1.8
		0.8	0.8	0.8	0.7	0.7	0.6	1.5
SC : Shading coefficient		0.59	0.59	0.40	0.40	0.36	0.36	0.74
Solar Heat Gain		0.52	0.52	0.35	0.35	0.32	0.32	0.64