ETW,Ultra Clear Glass,China Ultra Clear Glass Manufacture

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Ultra Clear Glass

Ultra Clear Glass

Common float glass looks green to certain degree. Especially when the glass is thickened or piled together, such phenomenon is more obvious. At present, the architectural designers have required higher optical requirements for the permeability of glass, thus the low-iron glasses occurred. Ultra-clear glass has very strong light transmittance. Its perfect transparency assures you to be able to obtain more perfect visual effect of natural color.

Visual comparison of low-iron glass and common glass

Dimensions of ultra-clear glass:

Max. Size: 2440 MM X 3660 MM
Min. Size: 300 MM X 300 MM
The Range of Thickness:Toughened glass 4 MM ~ 19 MM

Application Range of ultra-clear glass:

Show case of museum, large theatre, counter of gold shop, hall of hotel, partition of ball, point-supporting curtain wall, door and window, botanical garden, greenhouse, aquarium, furniture and shower room, etc.

Quality Control:

Conformity to GB/T11944-2002 " the National Standard of Glass"

Product Technical Parameters of ultra-clear glass:

	Visible Light Transmi ttance	Visible Light Reflec tivity	Solar Radiant Heat				U Value	UV Penet Ration
	Visible Light Transmi ttance	Visible Light Reflec tivity	Direct Pene trate	Reflect	Absorb	Total Pene trate	W/m2K	Solar Energy sources Series	Archite cture Series or else
3mm	91.5%	8%	91%	8%	1%	91%	5.8	88%	76%
3.2mm	91.5%	8%	91%	8%	2%	91%	5.8	88%	75%
4mm	91.4%	8%	90%	8%	2%	91%	5.8	87.5%	73%
5mm	91%	8%	90%	8%	2%	90%	5.8	87%	71%
6mm	91%	8%	89%	8%	3%	90%	5.7	86.5%	70%
8mm	91%	8%	88%	8%	4%	89%	5.7	85.4%	68%
10mm	91%	8%	88%	8%	4%	89%	5.6	84%	66%
12mm	91%	8%	87%	8%	5%	88%	5.5	82.5%	64%
15mm	90%	8%	86%	8%	6%	87%	5.5	81%	61%
19mm	90%	8%	84%	8%	7%	86%	5.5	78%	58%
22mm	90%	8%	82%	8%	9%	85%	5.5	74%	55%

Mechanical Parameters of ultra-clear glass:

Elasticity Modulus	73.1 Gpa
Rupture Modulus (tensile Strength –ultimate)	41.4 Mpa
Knoop hardness	456kgf/mm²

Physical Parameters of ultra-clear glass:

Density	2.5076 g/cm³
20~300ºC Linear coefficient of Expansion 20~300ºC	9.28 x 10-6 /ºC
Linear Coefficient of Expansion 20~450ºC	9.75 x 10-6 /ºC
Transformation Temperature	556ºC
Intenerate Temperature or Yield Point	606ºC
Softening Point	710ºC
Annealing Point	547ºC
Strain Point	513ºC
Log2 High Temperature Viscosity log2	1392ºC
Log3 High Temperature Viscosity log3	1152ºC
Log4 High Temperature Viscosity log4	996ºC
Liquid Phase Temperature	1008ºC

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