It is commonly used for commercial purposes like digital and screen printing, laminating, vinyl lettering, signage, and more. Eco-friendly and non-toxic expanded PVC sheets provide strength, durability, and flame and chemical resistance while remaining easy to cut and shape.Flexible PVC film starts to soften at 60C/140F. This is due to its plasticizer content. The softer the film, the more plasticizer, the lower temp it melts at. So if your film will only be exposed to a heat environment below 60C/140F, flexible PVC film is a good choice.