Pilkington Optiwhite™ Product Range

Our range of solar glass products includes the standard and well established low iron glass Pilkington Optiwhite™, and Pilkington Optiwhite™ S, which was developed specifically for the solar industry and offers even greater solar energy transmittance.

Pilkington Microwhite™ is our Pilkington Optiwhite™ in its extremely thin version (glass thicknesses down to 1.0 mm). 

The properties of our Pilkington Optiwhite™ products are summarised in the table below:

Pilkington Optiwhite™ - performance data summary

Nominal Substance
(mm) ± 0.2
Light Transmittance
(%)
Solar Direct Transmittance
(%)
3.0 91.1 90.3
3.2 91.1 90.2
4.0 90.9 89.8

Pilkington Microwhite™ - performance data summary

Nominal Substance
(mm)
Light Transmittance
(%)
Solar Direct Transmittance
(%)
1.0 ± 0.05 91.7 91.6
1.1 ± 0.1 91.7 91.5
1.3 ± 0.1 91.7 91.5
1.6 ± 0.1 91.6 91.4

Pilkington Optiwhite™ - performance data summary

Nominal Substance
(mm) ± 0.2
Light Transmittance
(%)
Solar Direct Transmittance
(%)
3.0 91.6 91.1
3.2 91.6 91.0
4.0 91.5 90.8

All measurements have been carried out by UKAS accredited laboratory and have been calculated to ISO9050:2003 AM1.5 and D65 (2dg obs).

All figures quoted are indicative of typical product properties.