... Break % ≥160150150120Adhesive Strength MPa ≥8.07.05.04.0Light Transmission Rate % ≥81.080.080.0-Fog % ≤0.600. ... 80--Colourith% ≥757570-Humid HeatAt 70±2,hum.91%-99%.After 48 hrs, sample no ... After 8 hrs,sample no change. -Heat-ResistanceAt 70±2,After 48 hrs, sample no change.At ... 2,After 8 hrs, sample no change. -Light-proofLight transmission rate decrease less than 2% under 750W light-source, ...