In the arena of transparent materials, ultra white glass and ordinary glass are engaged in a peak competition about optics. This showdown is not only about aesthetics, but also affects the future development direction of industries such as construction and photovoltaics.

 

Round 1: Component Analysis

• Iron content:

 

Ordinary glass: with an iron content of about 1000ppm (presenting a green tone)

 

Ultra white glass: iron content ≤ 150ppm (reduced by more than 85%)

 

• Differences in raw materials:

 

Ordinary glass uses conventional quartz sand

 

Ultra white glass selected low iron quartz sand (Fe ₂ O ∝ ≤ 0.015%)

 

Second round: Optical performance

• Measured transmittance (6mm thickness):

 

Ordinary glass: 89.2%

 

Ultra white glass: 91.6%

• UV transmittance:

 

Ordinary glass blocks 50% UV

 

Ultra white glass with customizable UV transmission solution

 

Third round: Physical characteristics

• Thermal stability:

 

Ordinary glass: Δ T=120 ℃

 

Ultra white glass: Δ T=150 ℃

• Surface flatness:

 

Ordinary glass: ≤ 0.5μm/mm

 

Ultra white glass: ≤ 0.3μm/mm

 

Fourth round: Application performance

• Building curtain wall:

 

Ultra white glass can increase indoor illumination by 15%

 

Color difference Δ E ＜ 1.5 (indistinguishable to the naked eye)

• Photovoltaic modules:

 

Ultra white glass improves photoelectric conversion efficiency by 1.2%

 

Annual attenuation rate reduced by 0.3%

 

Laboratory data shows that at a thickness of 10mm, the light transmission advantage of ultra white glass is more pronounced: it transmits about 18% more visible light than ordinary glass. Although the price is 25-40% higher, the energy savings and aesthetic value it brings shorten the investment return cycle to 3-5 years. This transparency showdown proves that in the high-end application field, ultra white glass is winning overwhelmingly.