polycarbonate hollow sheet 1) Light transmission rate: up to 80% 2) Coat 50 micron layer, ... , grass green, lake blue, blue, brown, opalFeatures of the product:Light transmission:35~80% Weather resistance: The UV layer on the ... for sunroom,swimming pool and conservatory)Agricultural greenhouses and raixing sheds.Light box, sign, pop, advertisement boards.Lighting roofs for waiting at ...