Not allowing light to pass through.
Opaque plastic sheet meaning.
For a better understanding this sciencestruck article lists the differences between transparent translucent and opaque materials.
Transparent objects allow all the light to pass through them translucent ones allow partial light to pass whereas opaque ones allow no light to pass through.
Opacity is that property of a substrate that resists the passage of light.
Striation rippling of thick parisons caused by a local orientation effect in the melt by the spider legs.
This is calculated by measuring the percentage of the light which is absorbed by a sheet of paper.
Light transmission capacity varies from object to object.
When it comes to plastics some are opaque because of their chemical structure.
Legal documents bank letters or even official documents need to reach the end user or client safely.
Opaque definition not transparent or translucent.
This way the contents to be shipped stay secure.
This is opposed to materials that are translucent meaning some light is allowed to pass through or transparent which allow all light to pass.
Most people opt for opaque varieties.