... industry, made of mature low iron, glass, it has the characteristic of low content of iron, strong luminousness and high conversion ... glass are designed and produced strictly, with less iron content, excellent solar transmittance, superior physical strength and better ... Solar transmittance: (3.2mm polished samples ISO9050/2003)>=91.7%IRON CONTENT: <=120ppm Fe2O3Poisson's ration: 0.2density: 2.5g/ ...