ORALITE 5051 - Cast Transparent Film. Transparent overlay film for lamination of white ORALITE® 5700/5710 Engineer Grade Premium, white ORALITE® 5500/5510 Engineer Grade and white ORALITE® 5300/5400 Commercial Grade.The material has an excellent degree of transparency, outstanding dimensional stability, and optimum cutting and processing properties. Thickness: 0.050 mm. ¹Maximum Service Life: 7 years. Service year life based off European, vertical conditions.